]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/arm/palm_bk3710.c
palm_bk3710: add UltraDMA/100 support
[linux-2.6-omap-h63xx.git] / drivers / ide / arm / palm_bk3710.c
index 24389a571c37bfcc4ecd03b0c858a1429a975f91..3e842d60eae94804c3cc53328a39b007171245e8 100644 (file)
@@ -82,6 +82,7 @@ static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = {
        {100, 120},             /* UDMA Mode 2 */
        {100, 90},              /* UDMA Mode 3 */
        {100, 60},              /* UDMA Mode 4 */
+       {85,  40},              /* UDMA Mode 5 */
 };
 
 static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev,
@@ -334,12 +335,11 @@ static const struct ide_port_ops palm_bk3710_ports_ops = {
        .cable_detect           = palm_bk3710_cable_detect,
 };
 
-static const struct ide_port_info __devinitdata palm_bk3710_port_info = {
+static struct ide_port_info __devinitdata palm_bk3710_port_info = {
        .init_dma               = palm_bk3710_init_dma,
        .port_ops               = &palm_bk3710_ports_ops,
        .host_flags             = IDE_HFLAG_MMIO,
        .pio_mask               = ATA_PIO4,
-       .udma_mask              = ATA_UDMA4,    /* (input clk 99MHz) */
        .mwdma_mask             = ATA_MWDMA2,
 };
 
@@ -349,10 +349,10 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
        struct resource *mem, *irq;
        struct ide_host *host;
        unsigned long base, rate;
-       int i;
+       int i, rc;
        hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
 
-       clk = clk_get(NULL, "IDECLK");
+       clk = clk_get(&pdev->dev, "IDECLK");
        if (IS_ERR(clk))
                return -ENODEV;
 
@@ -392,16 +392,17 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
        hw.irq = irq->start;
        hw.chipset = ide_palm3710;
 
-       host = ide_host_alloc(&palm_bk3710_port_info, hws);
-       if (host == NULL)
-               goto out;
+       palm_bk3710_port_info.udma_mask = rate < 100000000 ? ATA_UDMA4 :
+                                                            ATA_UDMA5;
 
-       ide_host_register(host, &palm_bk3710_port_info, hws);
+       rc = ide_host_add(&palm_bk3710_port_info, hws, NULL);
+       if (rc)
+               goto out;
 
        return 0;
 out:
        printk(KERN_WARNING "Palm Chip BK3710 IDE Register Fail\n");
-       return -ENODEV;
+       return rc;
 }
 
 /* work with hotplug and coldplug */