Commit 2ca71c27 authored Dec 02, 2016 by Adrian Hunter Committed by Ulf Hansson Dec 05, 2016

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



This reverts commit fe5fb2e3 ("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>

parent ef3d2322

drivers/mmc/host/sdhci.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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;