From: Linus Torvalds Date: Wed, 28 Jan 2009 17:01:42 +0000 (-0800) Subject: Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc X-Git-Tag: v2.6.29-rc3~1 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=c4568d6c7ec7557fbe8656286aea29f67388f7d4;hp=4c456a67f501b8b15542c7c21c28812bf88f484b;p=linux-2.6-omap-h63xx.git Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/mm: Fix handling of _PAGE_COHERENT in BAT setup code powerpc/pseries: Correct VIO bus accounting problem in CMO env. powerpc: More printing warning fixes for the l64 to ll64 conversion powerpc: Remove arch/ppc cruft from Kconfig powerpc: Printing fix for l64 to ll64 conversion: phyp_dump.c powerpc/embedded6xx: Update defconfigs powerpc/8xx: Update defconfigs powerpc/86xx: Update defconfigs powerpc/83xx: Update defconfigs powerpc/85xx: Update defconfigs powerpc/mpc8313erdb: fix kernel panic because mdio device is not probed powerpc/4xx: Update multi-board PowerPC 4xx defconfigs powerpc/44x: Update PowerPC 44x defconfigs powerpc/40x: Update PowerPC 40x defconfigs powerpc/85xx: Fix typo in mpc8572ds dts powerpc/44x: Warp patches for the new NDFC driver powerpc/4xx: DTS: Add Add'l SDRAM0 Compatible and Interrupt Info --- diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index 87e5dc0413b..c65f00a9455 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -51,13 +51,20 @@ static inline void __flush_cache_all(void) "movec %%d0,%%CACR\n\t" : : : "d0", "a0" ); #endif /* CONFIG_M5407 */ -#if defined(CONFIG_M527x) || defined(CONFIG_M528x) +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) + __asm__ __volatile__ ( + "movel #0x81400100, %%d0\n\t" + "movec %%d0, %%CACR\n\t" + "nop\n\t" + : : : "d0" ); +#endif /* CONFIG_M523x || CONFIG_M527x */ +#if defined(CONFIG_M528x) __asm__ __volatile__ ( "movel #0x81000200, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" : : : "d0" ); -#endif /* CONFIG_M527x || CONFIG_M528x */ +#endif /* CONFIG_M528x */ #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) __asm__ __volatile__ ( "movel #0x81000100, %%d0\n\t" diff --git a/arch/m68k/include/asm/dma-mapping_no.h b/arch/m68k/include/asm/dma-mapping_no.h index 6aeab18e58b..1748f2bca94 100644 --- a/arch/m68k/include/asm/dma-mapping_no.h +++ b/arch/m68k/include/asm/dma-mapping_no.h @@ -1,10 +1,6 @@ #ifndef _M68KNOMMU_DMA_MAPPING_H #define _M68KNOMMU_DMA_MAPPING_H -#ifdef CONFIG_PCI -#include -#else #include -#endif #endif /* _M68KNOMMU_DMA_MAPPING_H */ diff --git a/arch/m68k/include/asm/system_no.h b/arch/m68k/include/asm/system_no.h index 40f49de6982..4496c0aa837 100644 --- a/arch/m68k/include/asm/system_no.h +++ b/arch/m68k/include/asm/system_no.h @@ -230,7 +230,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz jmp 0xf0000400; \ "); \ }) -#elif defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \ +#elif defined(CONFIG_NETtel) || \ defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA) #define HARD_RESET_NOW() ({ \ asm(" \ diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 76b66feb74d..4beb59dfc6e 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -14,6 +14,10 @@ config MMU bool default n +config NO_DMA + bool + default y + config FPU bool default n @@ -398,12 +402,6 @@ config M5307C3 help Support for the Motorola M5307C3 board. -config eLIA - bool "Moreton Bay eLIA board support" - depends on M5307 - help - Support for the Moreton Bay eLIA board. - config SECUREEDGEMP3 bool "SnapGear SecureEdge/MP3 platform support" depends on M5307 @@ -697,25 +695,8 @@ config ISA_DMA_API depends on !M5272 default y -menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)" - -config PCI - bool "PCI support" - help - Support for PCI bus. - -config COMEMPCI - bool "CO-MEM lite PCI controller support" - depends on (M5307 || M5407) - -source "drivers/pci/Kconfig" - source "drivers/pcmcia/Kconfig" -source "drivers/pci/hotplug/Kconfig" - -endmenu - menu "Executable file formats" source "fs/Kconfig.binfmt" diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile index b63bbcf874f..fd0fb303d88 100644 --- a/arch/m68knommu/Makefile +++ b/arch/m68knommu/Makefile @@ -41,7 +41,6 @@ board-$(CONFIG_M5271EVB) := M5271EVB board-$(CONFIG_M5275EVB) := M5275EVB board-$(CONFIG_M5282EVB) := M5282EVB board-$(CONFIG_ELITE) := eLITE -board-$(CONFIG_eLIA) := eLIA board-$(CONFIG_NETtel) := NETtel board-$(CONFIG_SECUREEDGEMP3) := MP3 board-$(CONFIG_CLEOPATRA) := CLEOPATRA diff --git a/arch/m68knommu/kernel/Makefile b/arch/m68knommu/kernel/Makefile index f0eab3dedb5..37c3fc074c0 100644 --- a/arch/m68knommu/kernel/Makefile +++ b/arch/m68knommu/kernel/Makefile @@ -8,4 +8,3 @@ obj-y += dma.o entry.o init_task.o irq.o m68k_ksyms.o process.o ptrace.o \ setup.o signal.o syscalltable.o sys_m68k.o time.o traps.o obj-$(CONFIG_MODULES) += module.o -obj-$(CONFIG_COMEMPCI) += comempci.o diff --git a/arch/m68knommu/kernel/comempci.c b/arch/m68knommu/kernel/comempci.c deleted file mode 100644 index 0a68b5a85f8..00000000000 --- a/arch/m68knommu/kernel/comempci.c +++ /dev/null @@ -1,980 +0,0 @@ -/*****************************************************************************/ - -/* - * comemlite.c -- PCI access code for embedded CO-MEM Lite PCI controller. - * - * (C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com). - * (C) Copyright 2000, Lineo (www.lineo.com) - */ - -/*****************************************************************************/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef CONFIG_eLIA -#include -#endif - -/*****************************************************************************/ - -/* - * Debug configuration defines. DEBUGRES sets debugging output for - * the resource allocation phase. DEBUGPCI traces on pcibios_ function - * calls, and DEBUGIO traces all accesses to devices on the PCI bus. - */ -/*#define DEBUGRES 1*/ -/*#define DEBUGPCI 1*/ -/*#define DEBUGIO 1*/ - -/*****************************************************************************/ - -/* - * PCI markers for bus present and active slots. - */ -int pci_bus_is_present = 0; -unsigned long pci_slotmask = 0; - -/* - * We may or may not need to swap the bytes of PCI bus tranfers. - * The endianess is re-roder automatically by the CO-MEM, but it - * will get the wrong byte order for a pure data stream. - */ -#define pci_byteswap 0 - - -/* - * Resource tracking. The CO-MEM part creates a virtual address - * space that all the PCI devices live in - it is not in any way - * directly mapped into the ColdFire address space. So we can - * really assign any resources we like to devices, as long as - * they do not clash with other PCI devices. - */ -unsigned int pci_iobase = PCIBIOS_MIN_IO; /* Arbitrary start address */ -unsigned int pci_membase = PCIBIOS_MIN_MEM; /* Arbitrary start address */ - -#define PCI_MINIO 0x100 /* 256 byte minimum I/O */ -#define PCI_MINMEM 0x00010000 /* 64k minimum chunk */ - -/* - * The CO-MEM's shared memory segment is visible inside the PCI - * memory address space. We need to keep track of the address that - * this is mapped at, to setup the bus masters pointers. - */ -unsigned int pci_shmemaddr; - -/*****************************************************************************/ - -void pci_interrupt(int irq, void *id, struct pt_regs *fp); - -/*****************************************************************************/ - -/* - * Some platforms have custom ways of reseting the PCI bus. - */ - -void pci_resetbus(void) -{ -#ifdef CONFIG_eLIA - int i; - -#ifdef DEBUGPCI - printk(KERN_DEBUG "pci_resetbus()\n"); -#endif - - *((volatile unsigned short *) (MCF_MBAR+MCFSIM_PADDR)) |= eLIA_PCIRESET; - for (i = 0; (i < 1000); i++) { - *((volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT)) = - (ppdata | eLIA_PCIRESET); - } - - - *((volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT)) = ppdata; -#endif -} - -/*****************************************************************************/ - -int pcibios_assign_resource_slot(int slot) -{ - volatile unsigned long *rp; - volatile unsigned char *ip; - unsigned int idsel, addr, val, align, i; - int bar; - -#ifdef DEBUGPCI - printk(KERN_INFO "pcibios_assign_resource_slot(slot=%x)\n", slot); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - idsel = COMEM_DA_ADDR(0x1 << (slot + 16)); - - /* Try to assign resource to each BAR */ - for (bar = 0; (bar < 6); bar++) { - addr = COMEM_PCIBUS + PCI_BASE_ADDRESS_0 + (bar * 4); - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGRD | idsel; - val = rp[LREG(addr)]; -#ifdef DEBUGRES - printk(KERN_DEBUG "-----------------------------------" - "-------------------------------------\n"); - printk(KERN_DEBUG "BAR[%d]: read=%08x ", bar, val); -#endif - - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGWR | idsel; - rp[LREG(addr)] = 0xffffffff; - - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGRD | idsel; - val = rp[LREG(addr)]; -#ifdef DEBUGRES - printk(KERN_DEBUG "write=%08x ", val); -#endif - if (val == 0) { -#ifdef DEBUGRES - printk(KERN_DEBUG "\n"); -#endif - continue; - } - - /* Determine space required by BAR */ - /* FIXME: this should go backwords from 0x80000000... */ - for (i = 0; (i < 32); i++) { - if ((0x1 << i) & (val & 0xfffffffc)) - break; - } - -#ifdef DEBUGRES - printk(KERN_DEBUG "size=%08x(%d)\n", (0x1 << i), i); -#endif - i = 0x1 << i; - - /* Assign a resource */ - if (val & PCI_BASE_ADDRESS_SPACE_IO) { - if (i < PCI_MINIO) - i = PCI_MINIO; -#ifdef DEBUGRES - printk(KERN_DEBUG "BAR[%d]: IO size=%08x iobase=%08x\n", - bar, i, pci_iobase); -#endif - if (i > 0xffff) { - /* Invalid size?? */ - val = 0 | PCI_BASE_ADDRESS_SPACE_IO; -#ifdef DEBUGRES - printk(KERN_DEBUG "BAR[%d]: too big for IO??\n", bar); -#endif - } else { - /* Check for un-alignment */ - if ((align = pci_iobase % i)) - pci_iobase += (i - align); - val = pci_iobase | PCI_BASE_ADDRESS_SPACE_IO; - pci_iobase += i; - } - } else { - if (i < PCI_MINMEM) - i = PCI_MINMEM; -#ifdef DEBUGRES - printk(KERN_DEBUG "BAR[%d]: MEMORY size=%08x membase=%08x\n", - bar, i, pci_membase); -#endif - /* Check for un-alignment */ - if ((align = pci_membase % i)) - pci_membase += (i - align); - val = pci_membase | PCI_BASE_ADDRESS_SPACE_MEMORY; - pci_membase += i; - } - - /* Write resource back into BAR register */ - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGWR | idsel; - rp[LREG(addr)] = val; -#ifdef DEBUGRES - printk(KERN_DEBUG "BAR[%d]: assigned bar=%08x\n", bar, val); -#endif - } - -#ifdef DEBUGRES - printk(KERN_DEBUG "-----------------------------------" - "-------------------------------------\n"); -#endif - - /* Assign IRQ if one is wanted... */ - ip = (volatile unsigned char *) (COMEM_BASE + COMEM_PCIBUS); - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGRD | idsel; - - addr = (PCI_INTERRUPT_PIN & 0xfc) + (~PCI_INTERRUPT_PIN & 0x03); - if (ip[addr]) { - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGWR | idsel; - addr = (PCI_INTERRUPT_LINE & 0xfc)+(~PCI_INTERRUPT_LINE & 0x03); - ip[addr] = 25; -#ifdef DEBUGRES - printk(KERN_DEBUG "IRQ LINE=25\n"); -#endif - } - - return(0); -} - -/*****************************************************************************/ - -int pcibios_enable_slot(int slot) -{ - volatile unsigned long *rp; - volatile unsigned short *wp; - unsigned int idsel, addr; - unsigned short cmd; - -#ifdef DEBUGPCI - printk(KERN_DEBUG "pcibios_enbale_slot(slot=%x)\n", slot); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - wp = (volatile unsigned short *) COMEM_BASE; - idsel = COMEM_DA_ADDR(0x1 << (slot + 16)); - - /* Get current command settings */ - addr = COMEM_PCIBUS + PCI_COMMAND; - addr = (addr & ~0x3) + (~addr & 0x02); - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGRD | idsel; - cmd = wp[WREG(addr)]; - /*val = ((val & 0xff) << 8) | ((val >> 8) & 0xff);*/ - - /* Enable I/O and memory accesses to this device */ - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_CFGWR | idsel; - cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - wp[WREG(addr)] = cmd; - - return(0); -} - -/*****************************************************************************/ - -void pcibios_assign_resources(void) -{ - volatile unsigned long *rp; - unsigned long sel, id; - int slot; - - rp = (volatile unsigned long *) COMEM_BASE; - - /* - * Do a quick scan of the PCI bus and see what is here. - */ - for (slot = COMEM_MINDEV; (slot <= COMEM_MAXDEV); slot++) { - sel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << (slot + 16)); - rp[LREG(COMEM_DAHBASE)] = sel; - rp[LREG(COMEM_PCIBUS)] = 0; /* Clear bus */ - id = rp[LREG(COMEM_PCIBUS)]; - if ((id != 0) && ((id & 0xffff0000) != (sel & 0xffff0000))) { - printk(KERN_INFO "PCI: slot=%d id=%08x\n", slot, (int) id); - pci_slotmask |= 0x1 << slot; - pcibios_assign_resource_slot(slot); - pcibios_enable_slot(slot); - } - } -} - -/*****************************************************************************/ - -int pcibios_init(void) -{ - volatile unsigned long *rp; - unsigned long sel, id; - int slot; - -#ifdef DEBUGPCI - printk(KERN_DEBUG "pcibios_init()\n"); -#endif - - pci_resetbus(); - - /* - * Do some sort of basic check to see if the CO-MEM part - * is present... This works ok, but I think we really need - * something better... - */ - rp = (volatile unsigned long *) COMEM_BASE; - if ((rp[LREG(COMEM_LBUSCFG)] & 0xff) != 0x50) { - printk(KERN_INFO "PCI: no PCI bus present\n"); - return(0); - } - -#ifdef COMEM_BRIDGEDEV - /* - * Setup the PCI bridge device first. It needs resources too, - * so that bus masters can get to its shared memory. - */ - slot = COMEM_BRIDGEDEV; - sel = COMEM_DA_CFGRD | COMEM_DA_ADDR(0x1 << (slot + 16)); - rp[LREG(COMEM_DAHBASE)] = sel; - rp[LREG(COMEM_PCIBUS)] = 0; /* Clear bus */ - id = rp[LREG(COMEM_PCIBUS)]; - if ((id == 0) || ((id & 0xffff0000) == (sel & 0xffff0000))) { - printk(KERN_INFO "PCI: no PCI bus bridge present\n"); - return(0); - } - - printk(KERN_INFO "PCI: bridge device at slot=%d id=%08x\n", slot, (int) id); - pci_slotmask |= 0x1 << slot; - pci_shmemaddr = pci_membase; - pcibios_assign_resource_slot(slot); - pcibios_enable_slot(slot); -#endif - - pci_bus_is_present = 1; - - /* Get PCI irq for local vectoring */ - if (request_irq(COMEM_IRQ, pci_interrupt, 0, "PCI bridge", NULL)) { - printk(KERN_WARNING "PCI: failed to acquire interrupt %d\n", COMEM_IRQ); - } else { - mcf_autovector(COMEM_IRQ); - } - - pcibios_assign_resources(); - - return(0); -} - -/*****************************************************************************/ - -char *pcibios_setup(char *option) -{ - /* Nothing for us to handle. */ - return(option); -} -/*****************************************************************************/ - -void pcibios_fixup_bus(struct pci_bus *b) -{ -} - -/*****************************************************************************/ - -void pcibios_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ -} - -/*****************************************************************************/ - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - int slot; - - slot = PCI_SLOT(dev->devfn); - if ((dev->bus == 0) && (pci_slotmask & (1 << slot))) - pcibios_enable_slot(slot); - return(0); -} - -/*****************************************************************************/ - -/* - * Local routines to interrcept the standard I/O and vector handling - * code. Don't include this 'till now - initialization code above needs - * access to the real code too. - */ -#include - -/*****************************************************************************/ - -void pci_outb(unsigned char val, unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned char *bp; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outb(val=%02x,addr=%x)\n", val, addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - bp = (volatile unsigned char *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(addr); - addr = (addr & ~0x3) + (~addr & 0x03); - bp[(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))] = val; -} - -/*****************************************************************************/ - -void pci_outw(unsigned short val, unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned short *sp; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outw(val=%04x,addr=%x)\n", val, addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - sp = (volatile unsigned short *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(addr); - addr = (addr & ~0x3) + (~addr & 0x02); - if (pci_byteswap) - val = ((val & 0xff) << 8) | ((val >> 8) & 0xff); - sp[WREG(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))] = val; -} - -/*****************************************************************************/ - -void pci_outl(unsigned int val, unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned int *lp; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outl(val=%08x,addr=%x)\n", val, addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - lp = (volatile unsigned int *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(addr); - - if (pci_byteswap) - val = (val << 24) | ((val & 0x0000ff00) << 8) | - ((val & 0x00ff0000) >> 8) | (val >> 24); - - lp[LREG(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))] = val; -} - -/*****************************************************************************/ - -unsigned long pci_blmask[] = { - 0x000000e0, - 0x000000d0, - 0x000000b0, - 0x00000070 -}; - -unsigned char pci_inb(unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned char *bp; - unsigned long r; - unsigned char val; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_inb(addr=%x)\n", addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - bp = (volatile unsigned char *) COMEM_BASE; - - r = COMEM_DA_IORD | COMEM_DA_ADDR(addr) | pci_blmask[(addr & 0x3)]; - rp[LREG(COMEM_DAHBASE)] = r; - - addr = (addr & ~0x3) + (~addr & 0x3); - val = bp[(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))]; - return(val); -} - -/*****************************************************************************/ - -unsigned long pci_bwmask[] = { - 0x000000c0, - 0x000000c0, - 0x00000030, - 0x00000030 -}; - -unsigned short pci_inw(unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned short *sp; - unsigned long r; - unsigned short val; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_inw(addr=%x)", addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - r = COMEM_DA_IORD | COMEM_DA_ADDR(addr) | pci_bwmask[(addr & 0x3)]; - rp[LREG(COMEM_DAHBASE)] = r; - - sp = (volatile unsigned short *) COMEM_BASE; - addr = (addr & ~0x3) + (~addr & 0x02); - val = sp[WREG(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))]; - if (pci_byteswap) - val = ((val & 0xff) << 8) | ((val >> 8) & 0xff); -#ifdef DEBUGIO - printk(KERN_DEBUG "=%04x\n", val); -#endif - return(val); -} - -/*****************************************************************************/ - -unsigned int pci_inl(unsigned int addr) -{ - volatile unsigned long *rp; - volatile unsigned int *lp; - unsigned int val; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_inl(addr=%x)", addr); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - lp = (volatile unsigned int *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IORD | COMEM_DA_ADDR(addr); - val = lp[LREG(COMEM_PCIBUS + COMEM_DA_OFFSET(addr))]; - - if (pci_byteswap) - val = (val << 24) | ((val & 0x0000ff00) << 8) | - ((val & 0x00ff0000) >> 8) | (val >> 24); - -#ifdef DEBUGIO - printk(KERN_DEBUG "=%08x\n", val); -#endif - return(val); -} - -/*****************************************************************************/ - -void pci_outsb(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned char *bp; - unsigned char *dp = (unsigned char *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outsb(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(a); - - a = (a & ~0x3) + (~a & 0x03); - bp = (volatile unsigned char *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) - *bp = *dp++; -} - -/*****************************************************************************/ - -void pci_outsw(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned short *wp; - unsigned short w, *dp = (unsigned short *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outsw(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(a); - - a = (a & ~0x3) + (~a & 0x2); - wp = (volatile unsigned short *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) { - w = *dp++; - if (pci_byteswap) - w = ((w & 0xff) << 8) | ((w >> 8) & 0xff); - *wp = w; - } -} - -/*****************************************************************************/ - -void pci_outsl(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned long *lp; - unsigned long l, *dp = (unsigned long *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_outsl(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IOWR | COMEM_DA_ADDR(a); - - lp = (volatile unsigned long *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) { - l = *dp++; - if (pci_byteswap) - l = (l << 24) | ((l & 0x0000ff00) << 8) | - ((l & 0x00ff0000) >> 8) | (l >> 24); - *lp = l; - } -} - -/*****************************************************************************/ - -void pci_insb(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned char *bp; - unsigned char *dp = (unsigned char *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_insb(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IORD | COMEM_DA_ADDR(a); - - a = (a & ~0x3) + (~a & 0x03); - bp = (volatile unsigned char *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) - *dp++ = *bp; -} - -/*****************************************************************************/ - -void pci_insw(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned short *wp; - unsigned short w, *dp = (unsigned short *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_insw(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IORD | COMEM_DA_ADDR(a); - - a = (a & ~0x3) + (~a & 0x2); - wp = (volatile unsigned short *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) { - w = *wp; - if (pci_byteswap) - w = ((w & 0xff) << 8) | ((w >> 8) & 0xff); - *dp++ = w; - } -} - -/*****************************************************************************/ - -void pci_insl(void *addr, void *buf, int len) -{ - volatile unsigned long *rp; - volatile unsigned long *lp; - unsigned long l, *dp = (unsigned long *) buf; - unsigned int a = (unsigned int) addr; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_insl(addr=%x,buf=%x,len=%d)\n", (int)addr, (int)buf, len); -#endif - - rp = (volatile unsigned long *) COMEM_BASE; - rp[LREG(COMEM_DAHBASE)] = COMEM_DA_IORD | COMEM_DA_ADDR(a); - - lp = (volatile unsigned long *) - (COMEM_BASE + COMEM_PCIBUS + COMEM_DA_OFFSET(a)); - - while (len--) { - l = *lp; - if (pci_byteswap) - l = (l << 24) | ((l & 0x0000ff00) << 8) | - ((l & 0x00ff0000) >> 8) | (l >> 24); - *dp++ = l; - } -} - -/*****************************************************************************/ - -struct pci_localirqlist { - void (*handler)(int, void *, struct pt_regs *); - const char *device; - void *dev_id; -}; - -struct pci_localirqlist pci_irqlist[COMEM_MAXPCI]; - -/*****************************************************************************/ - -int pci_request_irq(unsigned int irq, - void (*handler)(int, void *, struct pt_regs *), - unsigned long flags, const char *device, void *dev_id) -{ - int i; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_request_irq(irq=%d,handler=%x,flags=%x,device=%s," - "dev_id=%x)\n", irq, (int) handler, (int) flags, device, - (int) dev_id); -#endif - - /* Check if this interrupt handler is already lodged */ - for (i = 0; (i < COMEM_MAXPCI); i++) { - if (pci_irqlist[i].handler == handler) - return(0); - } - - /* Find a free spot to put this handler */ - for (i = 0; (i < COMEM_MAXPCI); i++) { - if (pci_irqlist[i].handler == 0) { - pci_irqlist[i].handler = handler; - pci_irqlist[i].device = device; - pci_irqlist[i].dev_id = dev_id; - return(0); - } - } - - /* Couldn't fit?? */ - return(1); -} - -/*****************************************************************************/ - -void pci_free_irq(unsigned int irq, void *dev_id) -{ - int i; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_free_irq(irq=%d,dev_id=%x)\n", irq, (int) dev_id); -#endif - - if (dev_id == (void *) NULL) - return; - - /* Check if this interrupt handler is lodged */ - for (i = 0; (i < COMEM_MAXPCI); i++) { - if (pci_irqlist[i].dev_id == dev_id) { - pci_irqlist[i].handler = NULL; - pci_irqlist[i].device = NULL; - pci_irqlist[i].dev_id = NULL; - break; - } - } -} - -/*****************************************************************************/ - -void pci_interrupt(int irq, void *id, struct pt_regs *fp) -{ - int i; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_interrupt(irq=%d,id=%x,fp=%x)\n", irq, (int) id, (int) fp); -#endif - - for (i = 0; (i < COMEM_MAXPCI); i++) { - if (pci_irqlist[i].handler) - (*pci_irqlist[i].handler)(irq,pci_irqlist[i].dev_id,fp); - } -} - -/*****************************************************************************/ - -/* - * The shared memory region is broken up into contiguous 512 byte - * regions for easy allocation... This is not an optimal solution - * but it makes allocation and freeing regions really easy. - */ - -#define PCI_MEMSLOTSIZE 512 -#define PCI_MEMSLOTS (COMEM_SHMEMSIZE / PCI_MEMSLOTSIZE) - -char pci_shmemmap[PCI_MEMSLOTS]; - - -void *pci_bmalloc(int size) -{ - int i, j, nrslots; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_bmalloc(size=%d)\n", size); -#endif - - if (size <= 0) - return((void *) NULL); - - nrslots = (size - 1) / PCI_MEMSLOTSIZE; - - for (i = 0; (i < (PCI_MEMSLOTS-nrslots)); i++) { - if (pci_shmemmap[i] == 0) { - for (j = i+1; (j < (i+nrslots)); j++) { - if (pci_shmemmap[j]) - goto restart; - } - - for (j = i; (j <= i+nrslots); j++) - pci_shmemmap[j] = 1; - break; - } -restart: - } - - return((void *) (COMEM_BASE + COMEM_SHMEM + (i * PCI_MEMSLOTSIZE))); -} - -/*****************************************************************************/ - -void pci_bmfree(void *mp, int size) -{ - int i, j, nrslots; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_bmfree(mp=%x,size=%d)\n", (int) mp, size); -#endif - - nrslots = size / PCI_MEMSLOTSIZE; - i = (((unsigned long) mp) - (COMEM_BASE + COMEM_SHMEM)) / - PCI_MEMSLOTSIZE; - - for (j = i; (j < (i+nrslots)); j++) - pci_shmemmap[j] = 0; -} - -/*****************************************************************************/ - -unsigned long pci_virt_to_bus(volatile void *address) -{ - unsigned long l; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_virt_to_bus(address=%x)", (int) address); -#endif - - l = ((unsigned long) address) - COMEM_BASE; -#ifdef DEBUGIO - printk(KERN_DEBUG "=%x\n", (int) (l+pci_shmemaddr)); -#endif - return(l + pci_shmemaddr); -} - -/*****************************************************************************/ - -void *pci_bus_to_virt(unsigned long address) -{ - unsigned long l; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_bus_to_virt(address=%x)", (int) address); -#endif - - l = address - pci_shmemaddr; -#ifdef DEBUGIO - printk(KERN_DEBUG "=%x\n", (int) (address + COMEM_BASE)); -#endif - return((void *) (address + COMEM_BASE)); -} - -/*****************************************************************************/ - -void pci_bmcpyto(void *dst, void *src, int len) -{ - unsigned long *dp, *sp, val; - unsigned char *dcp, *scp; - int i, j; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_bmcpyto(dst=%x,src=%x,len=%d)\n", (int)dst, (int)src, len); -#endif - - dp = (unsigned long *) dst; - sp = (unsigned long *) src; - i = len >> 2; - -#if 0 - printk(KERN_INFO "DATA:"); - scp = (unsigned char *) sp; - for (i = 0; (i < len); i++) { - if ((i % 16) == 0) printk(KERN_INFO "\n%04x: ", i); - printk(KERN_INFO "%02x ", *scp++); - } - printk(KERN_INFO "\n"); -#endif - - for (j = 0; (i >= 0); i--, j++) { - val = *sp++; - val = (val << 24) | ((val & 0x0000ff00) << 8) | - ((val & 0x00ff0000) >> 8) | (val >> 24); - *dp++ = val; - } - - if (len & 0x3) { - dcp = (unsigned char *) dp; - scp = ((unsigned char *) sp) + 3; - for (i = 0; (i < (len & 0x3)); i++) - *dcp++ = *scp--; - } -} - -/*****************************************************************************/ - -void pci_bmcpyfrom(void *dst, void *src, int len) -{ - unsigned long *dp, *sp, val; - unsigned char *dcp, *scp; - int i; - -#ifdef DEBUGIO - printk(KERN_DEBUG "pci_bmcpyfrom(dst=%x,src=%x,len=%d)\n",(int)dst,(int)src,len); -#endif - - dp = (unsigned long *) dst; - sp = (unsigned long *) src; - i = len >> 2; - - for (; (i >= 0); i--) { - val = *sp++; - val = (val << 24) | ((val & 0x0000ff00) << 8) | - ((val & 0x00ff0000) >> 8) | (val >> 24); - *dp++ = val; - } - - if (len & 0x3) { - dcp = ((unsigned char *) dp) + 3; - scp = (unsigned char *) sp; - for (i = 0; (i < (len & 0x3)); i++) - *dcp++ = *scp--; - } - -#if 0 - printk(KERN_INFO "DATA:"); - dcp = (unsigned char *) dst; - for (i = 0; (i < len); i++) { - if ((i % 16) == 0) printk(KERN_INFO "\n%04x: ", i); - printk(KERN_INFO "%02x ", *dcp++); - } - printk(KERN_INFO "\n"); -#endif -} - -/*****************************************************************************/ - -void *pci_alloc_consistent(struct pci_dev *dev, size_t size, dma_addr_t *dma_addr) -{ - void *mp; - if ((mp = pci_bmalloc(size)) != NULL) { - dma_addr = mp - (COMEM_BASE + COMEM_SHMEM); - return(mp); - } - *dma_addr = (dma_addr_t) NULL; - return(NULL); -} - -/*****************************************************************************/ - -void pci_free_consistent(struct pci_dev *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr) -{ - pci_bmfree(cpu_addr, size); -} - -/*****************************************************************************/ diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c index bbfcae9e52b..5ab6a04af14 100644 --- a/arch/m68knommu/kernel/signal.c +++ b/arch/m68knommu/kernel/signal.c @@ -279,6 +279,9 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc, void *fp, struct sigcontext context; int err = 0; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + /* get previous context */ if (copy_from_user(&context, usc, sizeof(context))) goto badframe; @@ -316,6 +319,9 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, unsigned long usp; int err; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + err = __get_user(temp, &uc->uc_mcontext.version); if (temp != MCONTEXT_VERSION) goto badframe; @@ -692,6 +698,15 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) regs->d0 = -EINTR; break; + case -ERESTART_RESTARTBLOCK: + if (!has_handler) { + regs->d0 = __NR_restart_syscall; + regs->pc -= 2; + break; + } + regs->d0 = -EINTR; + break; + case -ERESTARTSYS: if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) { regs->d0 = -EINTR; diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S index 5c3e3f62194..1017e76f371 100644 --- a/arch/m68knommu/kernel/syscalltable.S +++ b/arch/m68knommu/kernel/syscalltable.S @@ -18,7 +18,7 @@ .text ALIGN ENTRY(sys_call_table) - .long sys_ni_syscall /* 0 - old "setup()" system call*/ + .long sys_restart_syscall /* 0 - old "setup()" system call */ .long sys_exit .long sys_fork .long sys_read diff --git a/arch/m68knommu/platform/5307/config.c b/arch/m68knommu/platform/5307/config.c index 11cff6625dc..724faf05852 100644 --- a/arch/m68knommu/platform/5307/config.c +++ b/arch/m68knommu/platform/5307/config.c @@ -123,7 +123,7 @@ void __init config_BSP(char *commandp, int size) { mcf_setimr(MCFSIM_IMR_MASKALL); -#if defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \ +#if defined(CONFIG_NETtel) || \ defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA) /* Copy command line from FLASH to local buffer... */ memcpy(commandp, (char *) 0xf0004000, size); diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c index 4f44b632045..a347623d6ee 100644 --- a/arch/m68knommu/platform/532x/config.c +++ b/arch/m68knommu/platform/532x/config.c @@ -41,15 +41,15 @@ extern unsigned int mcf_timerlevel; static struct mcf_platform_uart m532x_uart_platform[] = { { - .mapbase = MCF_MBAR + MCFUART_BASE1, + .mapbase = MCFUART_BASE1, .irq = MCFINT_VECBASE + MCFINT_UART0, }, { - .mapbase = MCF_MBAR + MCFUART_BASE2, + .mapbase = MCFUART_BASE2, .irq = MCFINT_VECBASE + MCFINT_UART1, }, { - .mapbase = MCF_MBAR + MCFUART_BASE3, + .mapbase = MCFUART_BASE3, .irq = MCFINT_VECBASE + MCFINT_UART2, }, { }, @@ -108,7 +108,7 @@ void mcf_settimericr(unsigned int timer, unsigned int level) default: irq = 32; icr = MCFSIM_ICR_TIMER1; break; } - icrp = (volatile unsigned char *) (MCF_MBAR + icr); + icrp = (volatile unsigned char *) (icr); *icrp = level; mcf_enable_irq0(irq); } diff --git a/arch/m68knommu/platform/coldfire/entry.S b/arch/m68knommu/platform/coldfire/entry.S index 1e3c0dcbd7a..3b471c0da24 100644 --- a/arch/m68knommu/platform/coldfire/entry.S +++ b/arch/m68knommu/platform/coldfire/entry.S @@ -215,19 +215,8 @@ ENTRY(fasthandler) RESTORE_LOCAL ENTRY(ret_from_interrupt) - moveb %sp@(PT_SR),%d0 - andl #0x7,%d0 - jeq 1f - - RESTORE_ALL - -1: - /* check if we need to do software interrupts */ - movel irq_stat+CPUSTAT_SOFTIRQ_PENDING,%d0 - jeq ret_from_exception - - pea ret_from_exception - jmp do_softirq + /* the fasthandler is confusing me, haven't seen any user */ + jmp ret_from_exception /* * Beware - when entering resume, prev (the current task) is diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 477caa1b1e4..69aa0ab2840 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -106,8 +106,6 @@ void drm_vblank_cleanup(struct drm_device *dev) drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs, DRM_MEM_DRIVER); - drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs, - DRM_MEM_DRIVER); drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) * dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) * @@ -132,7 +130,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) setup_timer(&dev->vblank_disable_timer, vblank_disable_fn, (unsigned long)dev); spin_lock_init(&dev->vbl_lock); - atomic_set(&dev->vbl_signal_pending, 0); dev->num_crtcs = num_crtcs; dev->vbl_queue = drm_alloc(sizeof(wait_queue_head_t) * num_crtcs, @@ -140,11 +137,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) if (!dev->vbl_queue) goto err; - dev->vbl_sigs = drm_alloc(sizeof(struct list_head) * num_crtcs, - DRM_MEM_DRIVER); - if (!dev->vbl_sigs) - goto err; - dev->_vblank_count = drm_alloc(sizeof(atomic_t) * num_crtcs, DRM_MEM_DRIVER); if (!dev->_vblank_count) @@ -177,7 +169,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) /* Zero per-crtc vblank stuff */ for (i = 0; i < num_crtcs; i++) { init_waitqueue_head(&dev->vbl_queue[i]); - INIT_LIST_HEAD(&dev->vbl_sigs[i]); atomic_set(&dev->_vblank_count[i], 0); atomic_set(&dev->vblank_refcount[i], 0); } @@ -540,15 +531,10 @@ out: * \param data user argument, pointing to a drm_wait_vblank structure. * \return zero on success or a negative number on failure. * - * Verifies the IRQ is installed. - * - * If a signal is requested checks if this task has already scheduled the same signal - * for the same vblank sequence number - nothing to be done in - * that case. If the number of tasks waiting for the interrupt exceeds 100 the - * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this - * task. - * - * If a signal is not requested, then calls vblank_wait(). + * This function enables the vblank interrupt on the pipe requested, then + * sleeps waiting for the requested sequence number to occur, and drops + * the vblank interrupt refcount afterwards. (vblank irq disable follows that + * after a timeout with no further vblank waits scheduled). */ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -560,6 +546,9 @@ int drm_wait_vblank(struct drm_device *dev, void *data, if ((!dev->pdev->irq) || (!dev->irq_enabled)) return -EINVAL; + if (vblwait->request.type & _DRM_VBLANK_SIGNAL) + return -EINVAL; + if (vblwait->request.type & ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) { DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n", @@ -597,89 +586,26 @@ int drm_wait_vblank(struct drm_device *dev, void *data, vblwait->request.sequence = seq + 1; } - if (flags & _DRM_VBLANK_SIGNAL) { - unsigned long irqflags; - struct list_head *vbl_sigs = &dev->vbl_sigs[crtc]; - struct drm_vbl_sig *vbl_sig; - - spin_lock_irqsave(&dev->vbl_lock, irqflags); - - /* Check if this task has already scheduled the same signal - * for the same vblank sequence number; nothing to be done in - * that case - */ - list_for_each_entry(vbl_sig, vbl_sigs, head) { - if (vbl_sig->sequence == vblwait->request.sequence - && vbl_sig->info.si_signo == - vblwait->request.signal - && vbl_sig->task == current) { - spin_unlock_irqrestore(&dev->vbl_lock, - irqflags); - vblwait->reply.sequence = seq; - goto done; - } - } - - if (atomic_read(&dev->vbl_signal_pending) >= 100) { - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); - ret = -EBUSY; - goto done; - } - - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); - - vbl_sig = drm_calloc(1, sizeof(struct drm_vbl_sig), - DRM_MEM_DRIVER); - if (!vbl_sig) { - ret = -ENOMEM; - goto done; - } - - /* Get a refcount on the vblank, which will be released by - * drm_vbl_send_signals(). - */ - ret = drm_vblank_get(dev, crtc); - if (ret) { - drm_free(vbl_sig, sizeof(struct drm_vbl_sig), - DRM_MEM_DRIVER); - goto done; - } - - atomic_inc(&dev->vbl_signal_pending); - - vbl_sig->sequence = vblwait->request.sequence; - vbl_sig->info.si_signo = vblwait->request.signal; - vbl_sig->task = current; + DRM_DEBUG("waiting on vblank count %d, crtc %d\n", + vblwait->request.sequence, crtc); + dev->last_vblank_wait[crtc] = vblwait->request.sequence; + DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, + (((drm_vblank_count(dev, crtc) - + vblwait->request.sequence) <= (1 << 23)) || + !dev->irq_enabled)); - spin_lock_irqsave(&dev->vbl_lock, irqflags); - - list_add_tail(&vbl_sig->head, vbl_sigs); + if (ret != -EINTR) { + struct timeval now; - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + do_gettimeofday(&now); - vblwait->reply.sequence = seq; + vblwait->reply.tval_sec = now.tv_sec; + vblwait->reply.tval_usec = now.tv_usec; + vblwait->reply.sequence = drm_vblank_count(dev, crtc); + DRM_DEBUG("returning %d to client\n", + vblwait->reply.sequence); } else { - DRM_DEBUG("waiting on vblank count %d, crtc %d\n", - vblwait->request.sequence, crtc); - dev->last_vblank_wait[crtc] = vblwait->request.sequence; - DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, - (((drm_vblank_count(dev, crtc) - - vblwait->request.sequence) <= (1 << 23)) || - !dev->irq_enabled)); - - if (ret != -EINTR) { - struct timeval now; - - do_gettimeofday(&now); - - vblwait->reply.tval_sec = now.tv_sec; - vblwait->reply.tval_usec = now.tv_usec; - vblwait->reply.sequence = drm_vblank_count(dev, crtc); - DRM_DEBUG("returning %d to client\n", - vblwait->reply.sequence); - } else { - DRM_DEBUG("vblank wait interrupted by signal\n"); - } + DRM_DEBUG("vblank wait interrupted by signal\n"); } done: @@ -687,46 +613,6 @@ done: return ret; } -/** - * Send the VBLANK signals. - * - * \param dev DRM device. - * \param crtc CRTC where the vblank event occurred - * - * Sends a signal for each task in drm_device::vbl_sigs and empties the list. - * - * If a signal is not requested, then calls vblank_wait(). - */ -static void drm_vbl_send_signals(struct drm_device *dev, int crtc) -{ - struct drm_vbl_sig *vbl_sig, *tmp; - struct list_head *vbl_sigs; - unsigned int vbl_seq; - unsigned long flags; - - spin_lock_irqsave(&dev->vbl_lock, flags); - - vbl_sigs = &dev->vbl_sigs[crtc]; - vbl_seq = drm_vblank_count(dev, crtc); - - list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) { - if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { - vbl_sig->info.si_code = vbl_seq; - send_sig_info(vbl_sig->info.si_signo, - &vbl_sig->info, vbl_sig->task); - - list_del(&vbl_sig->head); - - drm_free(vbl_sig, sizeof(*vbl_sig), - DRM_MEM_DRIVER); - atomic_dec(&dev->vbl_signal_pending); - drm_vblank_put(dev, crtc); - } - } - - spin_unlock_irqrestore(&dev->vbl_lock, flags); -} - /** * drm_handle_vblank - handle a vblank event * @dev: DRM device @@ -739,6 +625,5 @@ void drm_handle_vblank(struct drm_device *dev, int crtc) { atomic_inc(&dev->_vblank_count[crtc]); DRM_WAKEUP(&dev->vbl_queue[crtc]); - drm_vbl_send_signals(dev, crtc); } EXPORT_SYMBOL(drm_handle_vblank); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9fe8cb7d43a..6bdfd47d679 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1829,7 +1829,7 @@ config 68360_ENET config FEC bool "FEC ethernet controller (of ColdFire CPUs)" - depends on M523x || M527x || M5272 || M528x || M520x + depends on M523x || M527x || M5272 || M528x || M520x || M532x help Say Y here if you want to use the built-in 10/100 Fast ethernet controller on some Motorola ColdFire processors. diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 7e33c129d51..2769083bfe8 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -1698,7 +1698,7 @@ static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_priva /* * Set MII speed to 2.5 MHz */ - fep->phy_speed = ((((MCF_CLK / 2) / (2500000 / 10)) + 5) / 10) * 2; + fep->phy_speed = (MCF_CLK / 3) / (2500000 * 2 ) * 2; fecp->fec_mii_speed = fep->phy_speed; fec_restart(dev, 0); diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c index b2001c5b145..56841fe5f48 100644 --- a/drivers/serial/mcf.c +++ b/drivers/serial/mcf.c @@ -212,10 +212,18 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, { unsigned long flags; unsigned int baud, baudclk; +#if defined(CONFIG_M5272) + unsigned int baudfr; +#endif unsigned char mr1, mr2; baud = uart_get_baud_rate(port, termios, old, 0, 230400); +#if defined(CONFIG_M5272) + baudclk = (MCF_BUSCLK / baud) / 32; + baudfr = (((MCF_BUSCLK / baud) + 1) / 2) % 16; +#else baudclk = ((MCF_BUSCLK / baud) + 16) / 32; +#endif mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR; mr2 = 0; @@ -262,6 +270,9 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, writeb(mr2, port->membase + MCFUART_UMR); writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1); writeb((baudclk & 0xff), port->membase + MCFUART_UBG2); +#if defined(CONFIG_M5272) + writeb((baudfr & 0x0f), port->membase + MCFUART_UFPD); +#endif writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER, port->membase + MCFUART_UCSR); writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE, diff --git a/include/drm/drm.h b/include/drm/drm.h index 32e5096554e..8e77357334a 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -458,7 +458,7 @@ enum drm_vblank_seq_type { _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ - _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ + _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */ }; #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index afb7858c068..8190b9bcc2d 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -545,13 +545,6 @@ struct drm_ctx_list { struct drm_file *tag; /**< associated fd private data */ }; -struct drm_vbl_sig { - struct list_head head; - unsigned int sequence; - struct siginfo info; - struct task_struct *task; -}; - /* location of GART table */ #define DRM_ATI_GART_MAIN 1 #define DRM_ATI_GART_FB 2 @@ -903,8 +896,6 @@ struct drm_device { wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ spinlock_t vbl_lock; - struct list_head *vbl_sigs; /**< signal list to send on VBLANK */ - atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ u32 *last_vblank; /* protected by dev->vbl_lock, used */ /* for wraparound handling */ diff --git a/include/linux/dmi.h b/include/linux/dmi.h index aea23105d3e..d741b9ceb0e 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -65,6 +65,8 @@ static inline int dmi_walk(void (*decode)(const struct dmi_header *)) { return -1; } static inline bool dmi_match(enum dmi_field f, const char *str) { return false; } +static inline const struct dmi_system_id * + dmi_first_match(const struct dmi_system_id *list) { return NULL; } #endif diff --git a/mm/nommu.c b/mm/nommu.c index 0c3e7d2114f..2fcf47d449b 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1161,8 +1161,8 @@ error_free: return ret; enomem: - printk("Allocation of length %lu from process %d failed\n", - len, current->pid); + printk("Allocation of length %lu from process %d (%s) failed\n", + len, current->pid, current->comm); show_free_areas(); return -ENOMEM; } diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 71e2b914363..8e42800878f 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -334,7 +334,7 @@ static ssize_t smk_write_load(struct file *file, const char __user *buf, break; case 'a': case 'A': - rule.smk_access |= MAY_READ; + rule.smk_access |= MAY_APPEND; break; default: goto out;