On 12/02/2012 10:35 PM, Aaron Lu wrote:
ata_device->dma_mode's initial value is zero, which is not a valid dma mode, but ata_dma_enabled will return true for this value. This patch sets dma_mode to 0xff in reset function, so that ata_dma_enabled will not return true for this case, or it will cause problem for pata_acpi. The corrsponding bugzilla page is at: https://bugzilla.kernel.org/show_bug.cgi?id=49151 Reported-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx> Tested-by: Szymon Janc <szymon@xxxxxxxxxxx> Tested-by: Dutra Julio <dutra.julio@xxxxxxxxx> Cc: <stable@xxxxxxxxxx> --- drivers/ata/libata-core.c | 1 + drivers/ata/libata-eh.c | 1 + 2 files changed, 2 insertions(+)
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