summaryrefslogtreecommitdiffstats
path: root/drivers/mmc
diff options
context:
space:
mode:
authorKishon Vijay Abraham I <kishon@ti.com>2015-08-27 14:43:57 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2015-08-27 14:54:06 +0200
commitaa9a68014bb6c6e1052d79561815885b797d15ea (patch)
treec3192142ec5961dbb4de2cef40e88feb5ecf4c28 /drivers/mmc
parentb49069fc0b96de5dd508ccba0a1417e524734712 (diff)
downloadop-kernel-dev-aa9a68014bb6c6e1052d79561815885b797d15ea.zip
op-kernel-dev-aa9a68014bb6c6e1052d79561815885b797d15ea.tar.gz
mmc: host: omap_hsmmc: use mmc_host's vmmc and vqmmc
No functional change. Instead of using omap_hsmmc_host's vcc and vcc_aux members, use vmmc and vqmmc present in mmc_host which is present for the same purpose. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c63
1 files changed, 28 insertions, 35 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 30f363d..58e4ffd 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -181,15 +181,6 @@ struct omap_hsmmc_host {
struct mmc_data *data;
struct clk *fclk;
struct clk *dbclk;
- /*
- * vcc == configured supply
- * vcc_aux == optional
- * - MMC1, supply for DAT4..DAT7
- * - MMC2/MMC2, external level shifter voltage supply, for
- * chip (SDIO, eMMC, etc) or transceiver (MMC2 only)
- */
- struct regulator *vcc;
- struct regulator *vcc_aux;
struct regulator *pbias;
bool pbias_enabled;
void __iomem *base;
@@ -259,6 +250,7 @@ static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_host *host =
platform_get_drvdata(to_platform_device(dev));
+ struct mmc_host *mmc = host->mmc;
int ret = 0;
if (mmc_pdata(host)->set_power)
@@ -268,7 +260,7 @@ static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
* If we don't see a Vcc regulator, assume it's a fixed
* voltage always-on regulator.
*/
- if (!host->vcc)
+ if (!mmc->supply.vmmc)
return 0;
if (mmc_pdata(host)->before_set_reg)
@@ -297,23 +289,23 @@ static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
* chips/cards need an interface voltage rail too.
*/
if (power_on) {
- if (host->vcc)
- ret = mmc_regulator_set_ocr(host->mmc, host->vcc, vdd);
+ if (mmc->supply.vmmc)
+ ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
/* Enable interface voltage rail, if needed */
- if (ret == 0 && host->vcc_aux) {
- ret = regulator_enable(host->vcc_aux);
- if (ret < 0 && host->vcc)
- ret = mmc_regulator_set_ocr(host->mmc,
- host->vcc, 0);
+ if (ret == 0 && mmc->supply.vqmmc) {
+ ret = regulator_enable(mmc->supply.vqmmc);
+ if (ret < 0 && mmc->supply.vmmc)
+ ret = mmc_regulator_set_ocr(mmc,
+ mmc->supply.vmmc,
+ 0);
}
} else {
/* Shut down the rail */
- if (host->vcc_aux)
- ret = regulator_disable(host->vcc_aux);
- if (host->vcc) {
+ if (mmc->supply.vqmmc)
+ ret = regulator_disable(mmc->supply.vqmmc);
+ if (mmc->supply.vmmc) {
/* Then proceed to shut down the local regulator */
- ret = mmc_regulator_set_ocr(host->mmc,
- host->vcc, 0);
+ ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
}
}
@@ -345,33 +337,34 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
int ocr_value = 0;
int ret;
+ struct mmc_host *mmc = host->mmc;
if (mmc_pdata(host)->set_power)
return 0;
- host->vcc = devm_regulator_get_optional(host->dev, "vmmc");
- if (IS_ERR(host->vcc)) {
- ret = PTR_ERR(host->vcc);
+ 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)
return ret;
dev_dbg(host->dev, "unable to get vmmc regulator %ld\n",
- PTR_ERR(host->vcc));
- host->vcc = NULL;
+ PTR_ERR(mmc->supply.vmmc));
+ mmc->supply.vmmc = NULL;
} else {
- ocr_value = mmc_regulator_get_ocrmask(host->vcc);
+ ocr_value = mmc_regulator_get_ocrmask(mmc->supply.vmmc);
if (ocr_value > 0)
mmc_pdata(host)->ocr_mask = ocr_value;
}
/* Allow an aux regulator */
- host->vcc_aux = devm_regulator_get_optional(host->dev, "vmmc_aux");
- if (IS_ERR(host->vcc_aux)) {
- ret = PTR_ERR(host->vcc_aux);
+ 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)
return ret;
dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n",
- PTR_ERR(host->vcc_aux));
- host->vcc_aux = NULL;
+ PTR_ERR(mmc->supply.vqmmc));
+ mmc->supply.vqmmc = NULL;
}
host->pbias = devm_regulator_get_optional(host->dev, "pbias");
@@ -391,8 +384,8 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
* To disable boot_on regulator, enable regulator
* to increase usecount and then disable it.
*/
- if ((host->vcc && regulator_is_enabled(host->vcc) > 0) ||
- (host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
+ if ((mmc->supply.vmmc && regulator_is_enabled(mmc->supply.vmmc) > 0) ||
+ (mmc->supply.vqmmc && regulator_is_enabled(mmc->supply.vqmmc))) {
int vdd = ffs(mmc_pdata(host)->ocr_mask) - 1;
omap_hsmmc_set_power(host->dev, 1, vdd);
OpenPOWER on IntegriCloud