Revert "mmc: sdhci: Reset cmd and data circuits after tuning failure"

This reverts commit fe5fb2e3b58f ("mmc: sdhci: Reset cmd and data circuits
after tuning failure").

A better fix is available, and it will be applied to older stable releases,
so get this out of the way by reverting it.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 7f2526c9572f91245d5ed957164e034dfe9a40d0..e761fe2aa99eebaaa0d6cb104b0bf6aa075a8fac 100644 (file)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2090,10 +2090,6 @@ 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;