[PATCH v5 1/1] mmc: mtk-sd: reduce CIT for better performance

Alexandre Mergnat amergnat at baylibre.com
Wed Jun 7 04:08:30 PDT 2023


On 06/06/2023 13:32, Wenbin Mei wrote:
> CQHCI_SSC1 indicates to CQE the polling period to use when using periodic
> SEND_QUEUE_STATUS(CMD13) polling.
> Since MSDC CQE uses msdc_hclk as ITCFVAL, so driver should use hclk
> frequency to get the actual time.
> The default value 0x1000 that corresponds to 150us for MediaTek SoCs, let's
> decrease it to 0x40 that corresponds to 2.35us, which can improve the
> performance of some eMMC devices.

Reviewed-by: Alexandre Mergnat <amergnat at baylibre.com>

-- 
Regards,
Alexandre




More information about the linux-arm-kernel mailing list