[PATCH] mmc: mmci: Set actual clock for debug purpose
Ulf Hansson
ulf.hansson at stericsson.com
Mon May 13 10:18:39 EDT 2013
From: Ulf Hansson <ulf.hansson at linaro.org>
Update cclk to the acutal used value and copy it to the actual_clock
variable in the mmc host for debug purpose.
Signed-off-by: Fredrik Soderstedt <fredrik.soderstedt at stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson at linaro.org>
---
drivers/mmc/host/mmci.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index f4f3038..1170c9c 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -196,6 +196,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
struct variant_data *variant = host->variant;
u32 clk = variant->clkreg;
+ /* Make sure cclk reflects the current calculated clock */
+ host->cclk = 0;
+
if (desired) {
if (desired >= host->mclk) {
clk = MCI_CLK_BYPASS;
@@ -230,6 +233,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
/* clk |= MCI_CLK_PWRSAVE; */
}
+ /* Set actual clock for debug */
+ host->mmc->actual_clock = host->cclk;
+
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4)
clk |= MCI_4BIT_BUS;
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)
--
1.7.10
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