Re: [PATCH 3/3] ahci: st: st_configure_oob must be called after IP is clocked.

From: Tejun Heo
Date: Wed Apr 01 2015 - 12:07:54 EST


On Tue, Mar 31, 2015 at 08:35:09AM +0100, Peter Griffin wrote:
> Currently the ahci_st driver will hang the system on probe, as the
> st_configure_oob function does some register writes before the IP
> is clocked. This patch moves the function call to after
> ahci_platform_enable_resources (which enables the IP clock), and
> resolves the hang.
>
> Addtionally st_ahci_configure_oob should be called in the st_ahci_resume
> function, so we also rectify that ensuring it is also called after
> the IP clock has been enabled.
>
> Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> Acked-by: Maxime Coquelin <maxime.coquelin@xxxxxx>

Applied 1, 3 to libata/for-4.1.

Thanks.

--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/