1 files changed, 24 insertions, 8 deletions

diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 0924abff52ff..d698da470d6f 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -61,8 +61,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
         if (cmd_off == 0)
                 cmd_off = 1;
 
-        if ((pio > 2 || ata_id_has_iordy(drive->id)) &&
-            !(pio > 4 && ata_id_is_cfa(drive->id)))
+        if (ide_pio_need_iordy(drive, pio))
                 iordy = 0x40;
 
         return (cmd_on - 1) << 8 | (cmd_off - 1) | iordy;
@@ -74,6 +73,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
 static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
         struct pci_dev *dev     = to_pci_dev(drive->hwif->dev);
+        unsigned long timings   = (unsigned long)ide_get_drivedata(drive);
         int reg                 = 0x44 + drive->dn * 4;
         u16 drv_ctrl;
 
@@ -83,8 +83,9 @@ static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
          * Store the PIO timings so that we can restore them
          * in case DMA will be turned off...
          */
-        drive->drive_data &= 0xffff0000;
-        drive->drive_data |= drv_ctrl;
+        timings &= 0xffff0000;
+        timings |= drv_ctrl;
+        ide_set_drivedata(drive, (void *)timings);
 
         pci_write_config_word(dev, reg,  drv_ctrl);
         pci_read_config_word (dev, reg, &drv_ctrl);
@@ -100,6 +101,7 @@ static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
 static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed)
 {
         static u16 mwdma_timings[] = {0x0707, 0x0201, 0x0200};
+        unsigned long timings = (unsigned long)ide_get_drivedata(drive);
         u16 drv_ctrl;
 
         DBG(("sl82c105_tune_chipset(drive:%s, speed:%s)\n",
@@ -111,8 +113,19 @@ static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed)
          * Store the DMA timings so that we can actually program
          * them when DMA will be turned on...
          */
-        drive->drive_data &= 0x0000ffff;
-        drive->drive_data |= (unsigned long)drv_ctrl << 16;
+        timings &= 0x0000ffff;
+        timings |= (unsigned long)drv_ctrl << 16;
+        ide_set_drivedata(drive, (void *)timings);
+}
+
+static int sl82c105_test_irq(ide_hwif_t *hwif)
+{
+        struct pci_dev *dev     = to_pci_dev(hwif->dev);
+        u32 val, mask           = hwif->channel ? CTRL_IDE_IRQB : CTRL_IDE_IRQA;
+
+        pci_read_config_dword(dev, 0x40, &val);
+
+        return (val & mask) ? 1 : 0;
 }
 
 /*
@@ -185,7 +198,8 @@ static void sl82c105_dma_start(ide_drive_t *drive)
 
         DBG(("%s(drive:%s)\n", __func__, drive->name));
 
-        pci_write_config_word(dev, reg, drive->drive_data >> 16);
+        pci_write_config_word(dev, reg,
+                              (unsigned long)ide_get_drivedata(drive) >> 16);
 
         sl82c105_reset_host(dev);
         ide_dma_start(drive);
@@ -210,7 +224,8 @@ static int sl82c105_dma_end(ide_drive_t *drive)
 
         ret = ide_dma_end(drive);
 
-        pci_write_config_word(dev, reg, drive->drive_data);
+        pci_write_config_word(dev, reg,
+                              (unsigned long)ide_get_drivedata(drive));
 
         return ret;
 }
@@ -289,6 +304,7 @@ static const struct ide_port_ops sl82c105_port_ops = {
         .set_pio_mode           = sl82c105_set_pio_mode,
         .set_dma_mode           = sl82c105_set_dma_mode,
         .resetproc              = sl82c105_resetproc,
+        .test_irq               = sl82c105_test_irq,
 };
 
 static const struct ide_dma_ops sl82c105_dma_ops = {