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authorTony Lindgren <tony@atomide.com>2015-10-07 06:22:25 -0700
committerUlf Hansson <ulf.hansson@linaro.org>2015-10-08 09:36:13 +0200
commit123e20b14530b57bd75e295961d2c1f8c48455bf (patch)
tree59a7351a200c53ca55668ea83006531c2054b751
parentbb2726b52f2abdf46339a2d1293f76b5d5752705 (diff)
downloadlinux-stericsson-123e20b14530b57bd75e295961d2c1f8c48455bf.tar.gz
mmc: host: omap_hsmmc: Fix MMC for omap3 legacy booting
Starting with commit 7d607f917008 ("mmc: host: omap_hsmmc: use devm_regulator_get_optional() for vmmc") MMC on omap3 stopped working for legacy booting. This is because legacy booting sets up some of the resource in the platform init code, and for optional regulators always seem to return -EPROBE_DEFER for the legacy booting. Let's fix the issue by checking for device tree based booting for now. Then when omap3 boots in device tree only mode, this patch can be just reverted. Fixes: 7d607f917008 ("mmc: host: omap_hsmmc: use devm_regulator_get_optional() for vmmc") Cc: Felipe Balbi <balbi@ti.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Nishanth Menon <nm@ti.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com> Tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/omap_hsmmc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index ae3a2b902ad6..7fb0753abe30 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -478,7 +478,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
mmc->supply.vmmc = devm_regulator_get_optional(host->dev, "vmmc");
if (IS_ERR(mmc->supply.vmmc)) {
ret = PTR_ERR(mmc->supply.vmmc);
- if (ret != -ENODEV)
+ if ((ret != -ENODEV) && host->dev->of_node)
return ret;
dev_dbg(host->dev, "unable to get vmmc regulator %ld\n",
PTR_ERR(mmc->supply.vmmc));
@@ -493,7 +493,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
mmc->supply.vqmmc = devm_regulator_get_optional(host->dev, "vmmc_aux");
if (IS_ERR(mmc->supply.vqmmc)) {
ret = PTR_ERR(mmc->supply.vqmmc);
- if (ret != -ENODEV)
+ if ((ret != -ENODEV) && host->dev->of_node)
return ret;
dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n",
PTR_ERR(mmc->supply.vqmmc));
@@ -503,7 +503,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
host->pbias = devm_regulator_get_optional(host->dev, "pbias");
if (IS_ERR(host->pbias)) {
ret = PTR_ERR(host->pbias);
- if (ret != -ENODEV)
+ if ((ret != -ENODEV) && host->dev->of_node)
return ret;
dev_dbg(host->dev, "unable to get pbias regulator %ld\n",
PTR_ERR(host->pbias));