diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/drivers/mfd')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig | 2 | ||||
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c | 30 |
2 files changed, 22 insertions, 10 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig index 2ae335a190..8de1c2f39d 100644 --- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig +++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig @@ -43,7 +43,7 @@ config MFD_GLAMO_SPI_GPIO config MFD_GLAMO_MCI tristate "Glamo S3C SD/MMC Card Interface support" - depends on MFD_GLAMO && MMC + depends on MFD_GLAMO && MMC && REGULATOR help This selects a driver for the MCI interface found in the S-Media GLAMO chip, as used in Openmoko diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c index e66a14becb..ef39017ec6 100644 --- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c +++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-mci.c @@ -618,6 +618,7 @@ static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) struct glamo_mci_host *host = mmc_priv(mmc); int bus_width = 0; int powering = 0; + int ret; if (host->suspending) { dev_err(&host->pdev->dev, "IGNORING glamo_mci_set_ios while " @@ -628,8 +629,9 @@ static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) /* Set power */ switch(ios->power_mode) { case MMC_POWER_UP: - mmc_regulator_set_ocr(host->regulator, ios->vdd); - host->vdd_current = ios->vdd; + ret = regulator_enable(host->regulator); + if (ret) + dev_err(&host->pdev->dev, "Failed to enable regulator: %d\n", ret); break; case MMC_POWER_ON: /* @@ -638,10 +640,6 @@ static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) */ host->force_slow_during_powerup = 1; - if (host->vdd_current != ios->vdd) { - mmc_regulator_set_ocr(host->regulator, ios->vdd); - host->vdd_current = ios->vdd; - } if (host->power_mode_current == MMC_POWER_OFF) { glamo_engine_enable(host->pdata->core, GLAMO_ENGINE_MMC); @@ -659,12 +657,20 @@ static void glamo_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) glamo_engine_disable(host->pdata->core, GLAMO_ENGINE_MMC); - mmc_regulator_set_ocr(host->regulator, 0); - host->vdd_current = -1; + ret = regulator_disable(host->regulator); + if (ret) + dev_warn(&host->pdev->dev, "Failed to disable regulator: %d\n", ret); break; } host->power_mode_current = ios->power_mode; + if (host->vdd_current != ios->vdd) { + ret = mmc_regulator_set_ocr(host->regulator, ios->vdd); + if (ret) + dev_err(&host->pdev->dev, "Failed to set regulator voltage: %d\n", ret); + else + host->vdd_current = ios->vdd; + } glamo_mci_set_card_clock(host, ios->clock); /* after power-up, we are meant to give it >= 74 clocks so it can @@ -804,7 +810,7 @@ static int glamo_mci_probe(struct platform_device *pdev) } - host->vdd_current = -1; + host->vdd_current = 0; host->clk_rate = 50000000; /* really it's 49152000 */ host->clk_div = 16; @@ -824,6 +830,12 @@ static int glamo_mci_probe(struct platform_device *pdev) mmc->max_phys_segs = 128; mmc->max_hw_segs = 128; + if (mmc->ocr_avail < 0) { + dev_warn(&pdev->dev, "Failed to get ocr list for regulator: %d.\n", + mmc->ocr_avail); + mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + } + platform_set_drvdata(pdev, mmc); glamo_engine_enable(host->pdata->core, GLAMO_ENGINE_MMC); |