siimage: do clocking register posting earlier in setup_mmio_siimage()

[pandora-kernel.git] / drivers / ide / ide-lib.c

diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 29e2c97..6f04ea3 100644 (file)
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -85,7 +85,7 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
                        mode = XFER_PIO_4;
        }
 
-//     printk("%s: mode 0x%02x, speed 0x%02x\n", __FUNCTION__, mode, speed);
+/*     printk("%s: mode 0x%02x, speed 0x%02x\n", __func__, mode, speed); */
 
        return min(speed, mode);
 }
@@ -122,7 +122,6 @@ static struct ide_pio_info {
        const char      *name;
        int             pio;
 } ide_pio_blacklist [] = {
-/*     { "Conner Peripherals 1275MB - CFS1275A", 4 }, */
        { "Conner Peripherals 540MB - CFS540A", 3 },
 
        { "WDC AC2700",  3 },
@@ -138,10 +137,8 @@ static struct ide_pio_info {
        { "WDC AC1170",  1 },
        { "WDC AC1210",  1 },
        { "WDC AC280",   0 },
-/*     { "WDC AC21000", 4 }, */
        { "WDC AC31000", 3 },
        { "WDC AC31200", 3 },
-/*     { "WDC AC31600", 4 }, */
 
        { "Maxtor 7131 AT", 1 },
        { "Maxtor 7171 AT", 1 },
@@ -155,13 +152,6 @@ static struct ide_pio_info {
        { "SAMSUNG SHD-3122A", 1 },
        { "SAMSUNG SHD-3172A", 1 },
 
-/*     { "ST51080A", 4 },
- *     { "ST51270A", 4 },
- *     { "ST31220A", 4 },
- *     { "ST31640A", 4 },
- *     { "ST32140A", 4 },
- *     { "ST3780A",  4 },
- */
        { "ST5660A",  3 },
        { "ST3660A",  3 },
        { "ST3630A",  3 },
@@ -284,16 +274,6 @@ u8 ide_get_best_pio_mode (ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
                if (overridden)
                        printk(KERN_INFO "%s: tPIO > 2, assuming tPIO = 2\n",
                                         drive->name);
-
-               /*
-                * Conservative "downgrade" for all pre-ATA2 drives
-                */
-               if ((drive->hwif->host_flags & IDE_HFLAG_PIO_NO_DOWNGRADE) == 0 &&
-                   pio_mode && pio_mode < 4) {
-                       pio_mode--;
-                       printk(KERN_INFO "%s: applying conservative "
-                                        "PIO \"downgrade\"\n", drive->name);
-               }
        }
 
        if (pio_mode > max_mode)
@@ -308,9 +288,11 @@ EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
 void ide_set_pio(ide_drive_t *drive, u8 req_pio)
 {
        ide_hwif_t *hwif = drive->hwif;
+       const struct ide_port_ops *port_ops = hwif->port_ops;
        u8 host_pio, pio;
 
-       if (hwif->set_pio_mode == NULL)
+       if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
+           (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
                return;
 
        BUG_ON(hwif->pio_mask == 0x00);
@@ -362,26 +344,30 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
 int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
 {
        ide_hwif_t *hwif = drive->hwif;
+       const struct ide_port_ops *port_ops = hwif->port_ops;
 
-       if (hwif->set_pio_mode == NULL)
+       if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
+               return 0;
+
+       if (port_ops == NULL || port_ops->set_pio_mode == NULL)
                return -1;
 
        /*
         * TODO: temporary hack for some legacy host drivers that didn't
         * set transfer mode on the device in ->set_pio_mode method...
         */
-       if (hwif->set_dma_mode == NULL) {
-               hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+       if (port_ops->set_dma_mode == NULL) {
+               port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
                return 0;
        }
 
        if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
                if (ide_config_drive_speed(drive, mode))
                        return -1;
-               hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+               port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
                return 0;
        } else {
-               hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+               port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
                return ide_config_drive_speed(drive, mode);
        }
 }
@@ -389,17 +375,21 @@ int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
 int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
 {
        ide_hwif_t *hwif = drive->hwif;
+       const struct ide_port_ops *port_ops = hwif->port_ops;
+
+       if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
+               return 0;
 
-       if (hwif->set_dma_mode == NULL)
+       if (port_ops == NULL || port_ops->set_dma_mode == NULL)
                return -1;
 
        if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
                if (ide_config_drive_speed(drive, mode))
                        return -1;
-               hwif->set_dma_mode(drive, mode);
+               port_ops->set_dma_mode(drive, mode);
                return 0;
        } else {
-               hwif->set_dma_mode(drive, mode);
+               port_ops->set_dma_mode(drive, mode);
                return ide_config_drive_speed(drive, mode);
        }
 }
@@ -419,8 +409,10 @@ EXPORT_SYMBOL_GPL(ide_set_dma_mode);
 int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
 {
        ide_hwif_t *hwif = drive->hwif;
+       const struct ide_port_ops *port_ops = hwif->port_ops;
 
-       if (hwif->set_dma_mode == NULL)
+       if (port_ops == NULL || port_ops->set_dma_mode == NULL ||
+           (hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
                return -1;
 
        rate = ide_rate_filter(drive, rate);