On Monday 30 July 2012 05:42 AM, NeilBrown wrote:
1/ if regulator_get fails, return an error. This is important
if it failed with EPROBE_DEFER, as the probe needs to be
deferred.
2/ Don't set .set_power until the regulator has been found, or
the deferred probe will not bother calling omap_hsmmc_reg_get().
I am not very sure, but aren't the data structures re-allocated on a
re-probe (after it was deferred) causing .set_power to be lost anyway?
Signed-off-by: NeilBrown<ne...@suse.de>
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 389a3ee..f052c29 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -299,12 +299,12 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host
*host)
struct regulator *reg;
int ocr_value = 0;
- mmc_slot(host).set_power = omap_hsmmc_set_power;
-
reg = regulator_get(host->dev, "vmmc");
if (IS_ERR(reg)) {
dev_dbg(host->dev, "vmmc regulator missing\n");
+ return PTR_ERR(reg);
} else {
+ mmc_slot(host).set_power = omap_hsmmc_set_power;
host->vcc = reg;
ocr_value = mmc_regulator_get_ocrmask(reg);
if (!mmc_slot(host).ocr_mask) {
--
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