mirror of https://gitee.com/openkylin/linux.git
05cb6b2a66
eSDHC-A001: The data timeout counter (SYSCTL[DTOCV]) is not reliable for DTOCV values 0x4(2^17 SD clock), 0x8(2^21 SD clock), and 0xC(2^25 SD clock). The data timeout counter can count from 2^13–2^27, but for values 2^17, 2^21, and 2^25, the timeout counter counts for only 2^13 SD clocks. A-008358: The data timeout counter value loaded into the timeout counter is less than expected and can result into early timeout error in case of eSDHC data transactions. The table below shows the expected vs actual timeout period for different values of SYSCTL[DTOCV]: these two erratum has the same quirk to control it, and set SDHCI_QUIRK_RESET_AFTER_REQUEST to fix above issue. Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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