Commit 114f2bf6 authored Oct 18, 2013 by Dong Aisheng Committed by Chris Ball Oct 21, 2013

mmc: sdhci: report error once the maximum tuning loops exhausted or timeout



The original code missed to report an error when the maximum tuning
loops exhausted or timeout, it will cause the upper layer to wrongly
think the tuning process is passed.

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 6b4fb671

drivers/mmc/host/sdhci.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1989,6 +1989,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
		if (!tuning_loop_counter \|\| !timeout) {
		ctrl &= ~SDHCI_CTRL_TUNED_CLK;
		sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
		err = -EIO;
		} else {
		if (!(ctrl & SDHCI_CTRL_TUNED_CLK)) {
		pr_info(DRIVER_NAME ": Tuning procedure"

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