Re: [PATCH 1/3] mfd:mmc:rtsx: Change default tx phase

From: Lee Jones
Date: Wed Aug 21 2013 - 04:49:07 EST


On Wed, 21 Aug 2013, wei_wang@xxxxxxxxxxxxxx wrote:

> From: Wei WANG <wei_wang@xxxxxxxxxxxxxx>
>
> The default phase can meet most cards' requirement, but it is not the
> optimal one. In some extreme situation, the rx phase point produced by
> the following tuning process will drift quite a distance.
> Before tuning UHS card, this patch will set a more proper initial tx
> phase point, which is calculated from statistic data, and can achieve
> a much better tx signal quality.
>
> Signed-off-by: Wei WANG <wei_wang@xxxxxxxxxxxxxx>
> ---
> drivers/mfd/rtl8411.c | 4 +++
> drivers/mfd/rts5209.c | 2 ++
> drivers/mfd/rts5227.c | 2 ++
> drivers/mfd/rts5229.c | 2 ++
> drivers/mfd/rts5249.c | 2 ++
> drivers/mmc/host/rtsx_pci_sdmmc.c | 58 +++++++++++++++++++++++++++----------
> include/linux/mfd/rtsx_pci.h | 15 ++++++++++
> 7 files changed, 69 insertions(+), 16 deletions(-)

MFD parts looks okay to me:

Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>

--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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