| Message ID | 1478094551-24819-4-git-send-email-adrian.hunter@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index e7e1a70645e3..f8cb9a958738 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2083,6 +2083,10 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) if (!host->tuning_done) { pr_info(DRIVER_NAME ": Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock\n"); + + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ctrl &= ~SDHCI_CTRL_TUNED_CLK; ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
To prevent subsequent commands failing, ensure the cmd and data circuits are reset after a tuning timeout. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- drivers/mmc/host/sdhci.c | 4 ++++ 1 file changed, 4 insertions(+)