* Use ide_tune_dma() in amd74xx/via82cxxx driver, this fixes following bugs:
- DMA capability bit not being checked on the device
- DMA blacklist not being checked
- DMA mode being programmed even if drive->autodma == 0
(thus possibly destroying PIO timings)
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/pci/amd74xx.c | 15 ++++-----------
drivers/ide/pci/via82cxxx.c | 15 ++++-----------
2 files changed, 8 insertions(+), 22 deletions(-)
Index: b/drivers/ide/pci/amd74xx.c
===================================================================
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -1,5 +1,5 @@
/*
- * Version 2.21
+ * Version 2.22
*
* AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04
* IDE driver for Linux.
@@ -277,18 +277,11 @@ static void amd_set_pio_mode(ide_drive_t
static int amd74xx_ide_dma_check(ide_drive_t *drive)
{
- u8 speed = ide_max_dma_mode(drive);
-
- if (speed == 0) {
- ide_set_max_pio(drive);
- return -1;
- }
-
- amd_set_drive(drive, speed);
-
- if (drive->autodma)
+ if (ide_tune_dma(drive))
return 0;
+ ide_set_max_pio(drive);
+
return -1;
}
Index: b/drivers/ide/pci/via82cxxx.c
===================================================================
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -1,6 +1,6 @@
/*
*
- * Version 3.46
+ * Version 3.47
*
* VIA IDE driver for Linux. Supported southbridges:
*
@@ -217,18 +217,11 @@ static void via_set_pio_mode(ide_drive_t
static int via82cxxx_ide_dma_check (ide_drive_t *drive)
{
- u8 speed = ide_max_dma_mode(drive);
-
- if (speed == 0) {
- ide_set_max_pio(drive);
- return -1;
- }
-
- via_set_drive(drive, speed);
-
- if (drive->autodma)
+ if (ide_tune_dma(drive))
return 0;
+ ide_set_max_pio(drive);
+
return -1;
}
-
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