Re: [PATCH] ata: hpt366: fix incorrect mask when checking at cmd_high_time

From: One Thousand Gnomes
Date: Mon Jul 18 2016 - 16:15:06 EST


On Tue, 12 Jul 2016 12:16:19 +0100
Colin King <colin.king@xxxxxxxxxxxxx> wrote:

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> According to the HPT366 data sheet, PCI config space dword 0x40-0x43
> bits 11:8 specify the primary drive cmd_high_time, however,
> currently just 3 bits of the 4 are being used because the mask
> is 0x700 and not 0x0f00. Fix the mask, allowing for the 40MHz clock
> to be detected.

Is this tested on real hardware ? I learned long ago never to blindly
trust IDE data sheets. It looks right but if anyone actually has a 40MHz
PCI bus box with an HPT366 it would be good to test.

Alan