[PATCH v2 8/9] mmc: sdhci-esdhc-imx: set actual_clock in clock setting
Dong Aisheng
b29396 at freescale.com
Fri Sep 13 07:11:37 EDT 2013
This enables access the actual_clock via sys.
root at imx6qsabreauto:~# cat /sys/kernel/debug/mmc0/ios
clock: 198000000 Hz
actual clock: 198000000 Hz
vdd: 17 (2.9 ~ 3.0 V)
bus mode: 2 (push-pull)
chip select: 0 (don't care)
power mode: 2 (on)
bus width: 2 (4 bits)
timing spec: 6 (sd uhs SDR104)
signal voltage: 0 (1.80 V)
Signed-off-by: Dong Aisheng <b29396 at freescale.com>
---
drivers/mmc/host/sdhci-esdhc-imx.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index fe48ec3..b9899e9 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -524,8 +524,9 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host,
while (host_clock / pre_div / div > clock && div < 16)
div++;
+ host->mmc->actual_clock = host_clock / pre_div / div;
dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
- clock, host_clock / pre_div / div);
+ clock, host->mmc->actual_clock);
pre_div >>= 1;
div--;
--
1.7.1
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