Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6c6106...
Commit: 6c61064162e6a9965a062b445c6bd6c8ed019183
Parent: 8552865935538127d2603110b3d36dba2b4e8eff
Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
AuthorDate: Sat Apr 26 22:25:23 2008 +0200
Committer: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
CommitDate: Sat Apr 26 22:25:23 2008 +0200
sl82c105: check bridge revision in sl82c105_init_one()
* Make sl82c105_bridge_revision() return 'u8' instead of 'unsigned long'.
* Check bridge revision in sl82c105_init_one().
While at:
* Use proper KERN_ level for printk().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/pci/sl82c105.c | 35 +++++++++++++++++------------------
1 files changed, 17 insertions(+), 18 deletions(-)
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 8ac4e62..2c2fe59 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -232,7 +232,7 @@ static void sl82c105_resetproc(ide_drive_t *drive)
* Return the revision of the Winbond bridge
* which this function is part of.
*/
-static unsigned int sl82c105_bridge_revision(struct pci_dev *dev)
+static u8 sl82c105_bridge_revision(struct pci_dev *dev)
{
struct pci_dev *bridge;
@@ -287,27 +287,11 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c
*/
static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
{
- struct pci_dev *dev = to_pci_dev(hwif->dev);
- unsigned int rev;
-
DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index));
if (!hwif->dma_base)
return;
- rev = sl82c105_bridge_revision(dev);
- if (rev <= 5) {
- /*
- * Never ever EVER under any circumstances enable
- * DMA when the bridge is this old.
- */
- printk(" %s: Winbond W83C553 bridge revision %d, "
- "BM-DMA disabled\n", hwif->name, rev);
- return;
- }
-
- hwif->mwdma_mask = ATA_MWDMA2;
-
hwif->dma_lost_irq = &sl82c105_dma_lost_irq;
hwif->dma_start = &sl82c105_dma_start;
hwif->ide_dma_end = &sl82c105_dma_end;
@@ -337,11 +321,26 @@ static const struct ide_port_info sl82c105_chipset __devinitdata = {
#endif
IDE_HFLAG_NO_AUTODMA,
.pio_mask = ATA_PIO5,
+ .mwdma_mask = ATA_MWDMA2,
};
static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- return ide_setup_pci_device(dev, &sl82c105_chipset);
+ struct ide_port_info d = sl82c105_chipset;
+ u8 rev = sl82c105_bridge_revision(dev);
+
+ if (rev <= 5) {
+ /*
+ * Never ever EVER under any circumstances enable
+ * DMA when the bridge is this old.
+ */
+ printk(KERN_INFO "W82C105_IDE: Winbond W83C553 bridge "
+ "revision %d, BM-DMA disabled\n", rev);
+ d.init_hwif = NULL;
+ d.mwdma_mask = 0;
+ }
+
+ return ide_setup_pci_device(dev, &d);
}
static const struct pci_device_id sl82c105_pci_tbl[] = {
--
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