From: Todd Poynor <[email protected]> To allow the set_clock host op to disable the SDCLK source when not needed, always call the host op when the requested clock speed is zero. Do this even if host->clock already equals zero, because the SDHCI driver may set that value (without calling the host op) to force an update at the next (non-zero-speed) call.
CC: Chris Ball <[email protected]> CC: Arnd Bergmann <[email protected]> CC: Dima Zavin <[email protected]> Change-Id: If99230d76138679b5767f77cb925f15408ae518e Signed-off-by: Todd Poynor <[email protected]> Signed-off-by: John Stultz <[email protected]> --- drivers/mmc/host/sdhci.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9e15f41..3820adf 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -992,7 +992,7 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) u16 clk; unsigned long timeout; - if (clock == host->clock) + if (clock && clock == host->clock) return; if (host->ops->set_clock) { -- 1.7.3.2.146.gca209 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
