Re: [PATCH] libata: set dma_mode to 0xff in reset
From: Alan Cox <hidden>
Date: 2012-12-03 09:38:51
On Mon, 03 Dec 2012 11:35:02 +0800 Aaron Lu [off-list ref] 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 <redacted> Signed-off-by: Aaron Lu <redacted>
Acked-by: Alan Cox <redacted>