The patch titled
omap_hsmmc: ensure all clock enables and disables are paired
has been removed from the -mm tree. Its filename was
omap_hsmmc-ensure-all-clock-enables-and-disables-are-paired.patch
This patch was dropped because an updated version will be merged
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: omap_hsmmc: ensure all clock enables and disables are paired
From: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxx>
Cc: Ian Molton <ian@xxxxxxxxxxxxxx>
Cc: "Roberto A. Foglietta" <roberto.foglietta@xxxxxxxxx>
Cc: Jarkko Lavinen <jarkko.lavinen@xxxxxxxxx>
Cc: Denis Karpov <ext-denis.2.karpov@xxxxxxxxx>
Cc: Pierre Ossman <pierre@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)
diff -puN drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-ensure-all-clock-enables-and-disables-are-paired drivers/mmc/host/omap_hsmmc.c
--- a/drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-ensure-all-clock-enables-and-disables-are-paired
+++ a/drivers/mmc/host/omap_hsmmc.c
@@ -734,22 +734,24 @@ static int omap_hsmmc_switch_opcond(stru
/* Disable the clocks */
clk_disable(host->fclk);
clk_disable(host->iclk);
- clk_disable(host->dbclk);
+ if (host->dbclk_enabled)
+ clk_disable(host->dbclk);
/* Turn the power off */
ret = mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0);
- if (ret != 0)
- goto err;
/* Turn the power ON with given VDD 1.8 or 3.0v */
- ret = mmc_slot(host).set_power(host->dev, host->slot_id, 1, vdd);
+ if (!ret)
+ ret = mmc_slot(host).set_power(host->dev, host->slot_id, 1,
+ vdd);
+ clk_enable(host->iclk);
+ if (host->dbclk_enabled)
+ clk_enable(host->dbclk);
+ clk_enable(host->fclk);
+
if (ret != 0)
goto err;
- clk_enable(host->fclk);
- clk_enable(host->iclk);
- clk_enable(host->dbclk);
-
OMAP_HSMMC_WRITE(host->base, HCTL,
OMAP_HSMMC_READ(host->base, HCTL) & SDVSCLR);
reg_val = OMAP_HSMMC_READ(host->base, HCTL);
@@ -1895,7 +1897,8 @@ static int omap_hsmmc_suspend(struct pla
OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
mmc_host_disable(host->mmc);
clk_disable(host->iclk);
- clk_disable(host->dbclk);
+ if (host->dbclk_enabled)
+ clk_disable(host->dbclk);
} else {
host->suspended = 0;
if (host->pdata->resume) {
@@ -1926,9 +1929,8 @@ static int omap_hsmmc_resume(struct plat
if (ret)
goto clk_en_err;
- if (clk_enable(host->dbclk) != 0)
- dev_dbg(mmc_dev(host->mmc),
- "Enabling debounce clk failed\n");
+ if (host->dbclk_enabled)
+ clk_enable(host->dbclk);
if (mmc_host_enable(host->mmc) != 0) {
clk_disable(host->iclk);
_
Patches currently in -mm which might be from adrian.hunter@xxxxxxxxx are
linux-next.patch
mmc-register-mmci-omap-hs-using-platform_driver_probe.patch
omap_hsmmc-ensure-all-clock-enables-and-disables-are-paired.patch
omap_hsmmc-set-a-large-data-timeout-for-commands-with-busy-signal.patch
arm-omap-rx51-set-mmc-capabilities-and-power-saving-flag.patch
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