Since PIO autotuning is now done always, there's no need anymore to program
the taskfile timings also on DMA modes, so change the IDE timing register
masks accordingly, "inverting the polarity" of the masks while at it...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
- * linux/drivers/ide/pci/hpt366.c Version 1.22 Dec 4, 2007
+ * linux/drivers/ide/pci/hpt366.c Version 1.23 Dec 7, 2007
*
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
*
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
struct hpt_info *info = pci_get_drvdata(dev);
u8 itr_addr = drive->dn ? 0x44 : 0x40;
u32 old_itr = 0;
struct hpt_info *info = pci_get_drvdata(dev);
u8 itr_addr = drive->dn ? 0x44 : 0x40;
u32 old_itr = 0;
- u32 itr_mask, new_itr;
-
- itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
- (speed < XFER_UDMA_0 ? 0xc0070000 : 0xc03800ff);
-
- new_itr = get_speed_setting(speed, info);
+ u32 new_itr = get_speed_setting(speed, info);
+ u32 itr_mask = speed < XFER_MW_DMA_0 ? 0xc1f8ffff :
+ (speed < XFER_UDMA_0 ? 0x303800ff :
+ 0x30070000);
+ pci_read_config_dword(dev, itr_addr, &old_itr);
+ new_itr = (old_itr & ~itr_mask) | (new_itr & itr_mask);
/*
* Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
* to avoid problems handling I/O errors later
*/
/*
* Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
* to avoid problems handling I/O errors later
*/
- pci_read_config_dword(dev, itr_addr, &old_itr);
- new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
new_itr &= ~0xc0000000;
pci_write_config_dword(dev, itr_addr, new_itr);
new_itr &= ~0xc0000000;
pci_write_config_dword(dev, itr_addr, new_itr);
struct hpt_info *info = pci_get_drvdata(dev);
u8 itr_addr = 0x40 + (drive->dn * 4);
u32 old_itr = 0;
struct hpt_info *info = pci_get_drvdata(dev);
u8 itr_addr = 0x40 + (drive->dn * 4);
u32 old_itr = 0;
- u32 itr_mask, new_itr;
-
- itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
- (speed < XFER_UDMA_0 ? 0xc03c0000 : 0xc1c001ff);
-
- new_itr = get_speed_setting(speed, info);
+ u32 new_itr = get_speed_setting(speed, info);
+ u32 itr_mask = speed < XFER_MW_DMA_0 ? 0xcfc3ffff :
+ (speed < XFER_UDMA_0 ? 0x31c001ff :
+ 0x303c0000);
pci_read_config_dword(dev, itr_addr, &old_itr);
pci_read_config_dword(dev, itr_addr, &old_itr);
- new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
-
+ new_itr = (old_itr & ~itr_mask) | (new_itr & itr_mask);
+
if (speed < XFER_MW_DMA_0)
new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
pci_write_config_dword(dev, itr_addr, new_itr);
if (speed < XFER_MW_DMA_0)
new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
pci_write_config_dword(dev, itr_addr, new_itr);