diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/core/block.c | 4 | ||||
-rw-r--r-- | drivers/mmc/host/omap.c | 48 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-of-dwcmshc.c | 28 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-omap.c | 3 |
4 files changed, 53 insertions, 30 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 64a3492e8002..90c51b12148e 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -413,7 +413,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( struct mmc_blk_ioc_data *idata; int err; - idata = kmalloc(sizeof(*idata), GFP_KERNEL); + idata = kzalloc(sizeof(*idata), GFP_KERNEL); if (!idata) { err = -ENOMEM; goto out; @@ -488,7 +488,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, if (idata->flags & MMC_BLK_IOC_DROP) return 0; - if (idata->flags & MMC_BLK_IOC_SBC) + if (idata->flags & MMC_BLK_IOC_SBC && i > 0) prev_idata = idatas[i - 1]; /* diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 088f8ed4fdc4..a8ee0df47148 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -1114,10 +1114,25 @@ static void mmc_omap_set_power(struct mmc_omap_slot *slot, int power_on, host = slot->host; - if (slot->vsd) - gpiod_set_value(slot->vsd, power_on); - if (slot->vio) - gpiod_set_value(slot->vio, power_on); + if (power_on) { + if (slot->vsd) { + gpiod_set_value(slot->vsd, power_on); + msleep(1); + } + if (slot->vio) { + gpiod_set_value(slot->vio, power_on); + msleep(1); + } + } else { + if (slot->vio) { + gpiod_set_value(slot->vio, power_on); + msleep(50); + } + if (slot->vsd) { + gpiod_set_value(slot->vsd, power_on); + msleep(50); + } + } if (slot->pdata->set_power != NULL) slot->pdata->set_power(mmc_dev(slot->mmc), slot->id, power_on, @@ -1254,18 +1269,18 @@ static int mmc_omap_new_slot(struct mmc_omap_host *host, int id) slot->pdata = &host->pdata->slots[id]; /* Check for some optional GPIO controls */ - slot->vsd = gpiod_get_index_optional(host->dev, "vsd", - id, GPIOD_OUT_LOW); + slot->vsd = devm_gpiod_get_index_optional(host->dev, "vsd", + id, GPIOD_OUT_LOW); if (IS_ERR(slot->vsd)) return dev_err_probe(host->dev, PTR_ERR(slot->vsd), "error looking up VSD GPIO\n"); - slot->vio = gpiod_get_index_optional(host->dev, "vio", - id, GPIOD_OUT_LOW); + slot->vio = devm_gpiod_get_index_optional(host->dev, "vio", + id, GPIOD_OUT_LOW); if (IS_ERR(slot->vio)) return dev_err_probe(host->dev, PTR_ERR(slot->vio), "error looking up VIO GPIO\n"); - slot->cover = gpiod_get_index_optional(host->dev, "cover", - id, GPIOD_IN); + slot->cover = devm_gpiod_get_index_optional(host->dev, "cover", + id, GPIOD_IN); if (IS_ERR(slot->cover)) return dev_err_probe(host->dev, PTR_ERR(slot->cover), "error looking up cover switch GPIO\n"); @@ -1379,13 +1394,6 @@ static int mmc_omap_probe(struct platform_device *pdev) if (IS_ERR(host->virt_base)) return PTR_ERR(host->virt_base); - host->slot_switch = gpiod_get_optional(host->dev, "switch", - GPIOD_OUT_LOW); - if (IS_ERR(host->slot_switch)) - return dev_err_probe(host->dev, PTR_ERR(host->slot_switch), - "error looking up slot switch GPIO\n"); - - INIT_WORK(&host->slot_release_work, mmc_omap_slot_release_work); INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work); @@ -1404,6 +1412,12 @@ static int mmc_omap_probe(struct platform_device *pdev) host->dev = &pdev->dev; platform_set_drvdata(pdev, host); + host->slot_switch = devm_gpiod_get_optional(host->dev, "switch", + GPIOD_OUT_LOW); + if (IS_ERR(host->slot_switch)) + return dev_err_probe(host->dev, PTR_ERR(host->slot_switch), + "error looking up slot switch GPIO\n"); + host->id = pdev->id; host->irq = irq; host->phys_base = res->start; diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index ab4b964d4058..1d8f5a76096a 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -999,6 +999,17 @@ free_pltfm: return err; } +static void dwcmshc_disable_card_clk(struct sdhci_host *host) +{ + u16 ctrl; + + ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL); + if (ctrl & SDHCI_CLOCK_CARD_EN) { + ctrl &= ~SDHCI_CLOCK_CARD_EN; + sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL); + } +} + static void dwcmshc_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); @@ -1006,8 +1017,14 @@ static void dwcmshc_remove(struct platform_device *pdev) struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host); struct rk35xx_priv *rk_priv = priv->priv; + pm_runtime_get_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + sdhci_remove_host(host, 0); + dwcmshc_disable_card_clk(host); + clk_disable_unprepare(pltfm_host->clk); clk_disable_unprepare(priv->bus_clk); if (rk_priv) @@ -1099,17 +1116,6 @@ static void dwcmshc_enable_card_clk(struct sdhci_host *host) } } -static void dwcmshc_disable_card_clk(struct sdhci_host *host) -{ - u16 ctrl; - - ctrl = sdhci_readw(host, SDHCI_CLOCK_CONTROL); - if (ctrl & SDHCI_CLOCK_CARD_EN) { - ctrl &= ~SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, ctrl, SDHCI_CLOCK_CONTROL); - } -} - static int dwcmshc_runtime_suspend(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index e78faef67d7a..94076b095571 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -1439,6 +1439,9 @@ static int __maybe_unused sdhci_omap_runtime_suspend(struct device *dev) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + if (omap_host->con != -EINVAL) sdhci_runtime_suspend_host(host); |