# Re: \[PATCH\] ata: hpt366: fix incorrect mask when checking at cmd\_high\_time

- From: Tejun Heo \<tj@kernel.org\>
- Date: 2016-07-12 15:03:37 
- List: linux-ide
- Page: https://ratatoskr.run/linux-ide/2016/07/4793014
- Thread: https://ratatoskr.run/linux-ide/2016/07/4792802/t.md

```text
On Tue, Jul 12, 2016 at 12:16:19PM +0100, Colin King wrote:
> From: Colin Ian King <redacted>
> 
> 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.
> 
> Signed-off-by: Colin Ian King <redacted>

Applied to libata/for-4.8.

Thanks.

-- 
tejun
```