Alan Cox wrote:
Did a complete audit of these and found we have another error case. ata_bus_softreset calls ata_check_status which means that it tries to do an ioread8 on the port blindly and check versus 0xFF for an error. It should of course be using the ap->ops method for this via chk_status, and this bug causes a wrog status call on the NS87415 at least. Signed-off-by: Alan Cox <alan@xxxxxxxxxx> diff -u --exclude-from /usr/src/exclude --new-file --recursive linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c linux-2.6.23-mm1/drivers/ata/libata-core.c --- linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c 2007-10-15 15:03:26.000000000 +0100 +++ linux-2.6.23-mm1/drivers/ata/libata-core.c 2007-10-23 13:39:25.861931504 +0100 @@ -3305,7 +3323,7 @@ * the bus shows 0xFF because the odd clown forgets the D7 * pulldown resistor. */ - if (ata_check_status(ap) == 0xFF) + if (ata_chk_status(ap) == 0xFF) return -ENODEV;
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