In LBA48 mode we have to help the controller to get anything to work. The
chip provides a register giving word counts meant for ATAPI use which we
can use. However we need to load the count in words not bytes..
Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc4-mm1/drivers/ata/pata_pdc202xx_old.c linux-2.6.21-rc4-mm1/drivers/ata/pata_pdc202xx_old.c
--- linux.vanilla-2.6.21-rc4-mm1/drivers/ata/pata_pdc202xx_old.c 2007-03-23 11:49:49.000000000 +0000
+++ linux-2.6.21-rc4-mm1/drivers/ata/pata_pdc202xx_old.c 2007-03-23 13:21:54.000000000 +0000
@@ -22,7 +22,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_pdc202xx_old"
-#define DRV_VERSION "0.4.2"
+#define DRV_VERSION "0.4.3"
static int pdc2026x_cable_detect(struct ata_port *ap)
{
@@ -167,7 +167,7 @@
/* Cases the state machine will not complete correctly without help */
if ((tf->flags & ATA_TFLAG_LBA48) || tf->protocol == ATA_PROT_ATAPI_DMA)
{
- len = qc->nbytes;
+ len = qc->nbytes / 2;
if (tf->flags & ATA_TFLAG_WRITE)
len |= 0x06000000;
-
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