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mmc: sdhci-pci-o2micro: fix some SD cards compatibility issue at DDR50 mode
authorChevron Li <chevron.li@bayhubtech.com>
Fri, 29 Jul 2022 10:05:24 +0000 (03:05 -0700)
committerUlf Hansson <ulf.hansson@linaro.org>
Wed, 14 Sep 2022 09:53:47 +0000 (11:53 +0200)
commit50aecccc3e6557b29e7a5d9a28f013fc68ebfb99
tree2e317259697323a79e6bcbfe3baa7b51a1615717tree | snapshot
parent524836095d91da8e89e3204dd7419a341fea79f9commit | diff
mmc: sdhci-pci-o2micro: fix some SD cards compatibility issue at DDR50 mode

Bayhub chips have better compatibility support for SDR50 than DDR50
and both mode have the same R/W performance when clock frequency >= 100MHz.
Disable DDR50 mode and use SDR50 instead.

Signed-off-by: Chevron Li <chevron.li@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20220729100524.387-1-chevron.li@bayhubtech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-pci-o2micro.c diff | blob | history
Domain: System / Kernel;