The f_CNT register (at the PCI config. address 0x78) is 16-bit, not 8-bit!
The bug was there from the very srart... :-(
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
This patch is against the 'master' branch of Damien Le Moal's 'libata.git'
repo.
drivers/ata/pata_hpt37x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: libata/drivers/ata/pata_hpt37x.c
===================================================================
--- libata.orig/drivers/ata/pata_hpt37x.c
+++ libata/drivers/ata/pata_hpt37x.c
@@ -950,14 +950,14 @@ static int hpt37x_init_one(struct pci_de
if ((freq >> 12) != 0xABCDE) {
int i;
- u8 sr;
+ u16 sr;
u32 total = 0;
dev_warn(&dev->dev, "BIOS has not set timing clocks\n");
/* This is the process the HPT371 BIOS is reported to use */
for (i = 0; i < 128; i++) {
- pci_read_config_byte(dev, 0x78, &sr);
+ pci_read_config_word(dev, 0x78, &sr);
total += sr & 0x1FF;
udelay(15);
}
