[PATCH 05/17] mmc: host: omap_hsmmc: use mmc_host's vmmc and vqmmc

From: Kishon Vijay Abraham I
Date: Wed Jul 29 2015 - 07:11:03 EST


No functional change. Instead of using our own 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@xxxxxx>
Reviewed-by: Roger Quadros <rogerq@xxxxxx>
---
drivers/mmc/host/omap_hsmmc.c | 63 ++++++++++++++++++-----------------------
1 file changed, 28 insertions(+), 35 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 0e690d7..dad1473 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;
@@ -260,13 +251,14 @@ 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 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)
@@ -295,23 +287,23 @@ 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);
}
}

@@ -342,29 +334,30 @@ error_set_power:
static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
int ocr_value = 0;
+ struct mmc_host *mmc = host->mmc;

- host->vcc = devm_regulator_get_optional(host->dev, "vmmc");
- if (IS_ERR(host->vcc)) {
- if (PTR_ERR(host->vcc) == -EPROBE_DEFER)
+ mmc->supply.vmmc = devm_regulator_get_optional(host->dev, "vmmc");
+ if (IS_ERR(mmc->supply.vmmc)) {
+ if (PTR_ERR(mmc->supply.vmmc) == -EPROBE_DEFER)
return -EPROBE_DEFER;
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;
}
mmc_pdata(host)->set_power = omap_hsmmc_set_power;

/* Allow an aux regulator */
- host->vcc_aux = devm_regulator_get_optional(host->dev, "vmmc_aux");
- if (IS_ERR(host->vcc_aux)) {
- if (PTR_ERR(host->vcc_aux) == -EPROBE_DEFER)
+ mmc->supply.vqmmc = devm_regulator_get_optional(host->dev, "vmmc_aux");
+ if (IS_ERR(mmc->supply.vqmmc)) {
+ if (PTR_ERR(mmc->supply.vqmmc) == -EPROBE_DEFER)
return -EPROBE_DEFER;
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");
@@ -383,8 +376,8 @@ 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;

mmc_pdata(host)->set_power(host->dev, 1, vdd);
--
1.7.9.5

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