Merge tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add support for marking HPI as broken through devicetree
   - Enable runtime PM management of host devices
   - Remove the ->enable|disable() callbacks
   - Restructure code and cleanups
   - Refreshed some of the MMC sections in MAINTAINERS

  MMC host:
   - dw_mmc: HS400 mode support
   - dw_mmc: Add the cmd11 timer to detect a timeout
   - dw_mmc: Endian agnostic IO accessors
   - dw_mmc: Bugfixes
   - sh_mmcif: Add exclusion between cmd and interrupt
   - omap_hsmmc: Hibernation support
   - omap_hsmmc: Rework and simplify cover/card detect
   - omap_hsmmc: Stop using ->enable|disable() callbacks
   - atmel-mci: Endian agnostic IO
   - sunxi: Enable MMC_CAP_SDIO_IRQ
   - sdhci-st: Add support for the stih407 family silicon
   - sdhci-st: UHS card support in SDR104 mode
   - sdhci-st: HS200 mode support
   - sdhci-esdhc-imx: Use common mmc DT parser
   - sdhci-of-arasan: Use common mmc DT parser
   - sdhci-iproc: Add new driver for Broadcom IPROC SDHCI controller
   - sdhci-tegra: Convert to GPIO descriptors
   - sdhci-tegra: Optmize write_w path for tegra114 and later
   - sdhci-sirf: Update tuning procedure
   - sdhci: Fix card presence logic
   - sdhci: Cleanups and consolidation"

* tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc: (79 commits)
  mmc: sdhci-st: Update ST SDHCI binding documentation.
  mmc: sdhci-st: Update the quirks for this controller.
  mmc: sdhci-st: Add sdhci_st_set_uhs_signaling function.
  mmc: sdhci-st: Add st_mmcss_cconfig function to configure mmcss glue registers.
  mmc: sdhci-st: Add delay management functions for top registers (eMMC).
  mmc: sdhci-st: Add support for de-asserting reset signal and top regs resource
  mmc: sdhci-st: Add macros for register offsets and bitfields for mmcss glue regs
  mmc: sdhci-esdhc-imx: Call mmc_of_parse()
  mmc: dw_mmc: Add locking around cmd11 timer
  mmc: dw_mmc: Add a return in an unexpected cmd11 timeout
  mmc: dw_mmc: Increase cmd11 timeout to 500ms
  mmc: dw_mmc: fix fifo ordering in big endian
  mmc: dw_mmc: change idmac descriptor files to __le32
  mmc: dw_mmc: make IO accessors endian agnostic
  mmc: core: Convert the error field in struct mmc_command|data into an int
  mmc: sdhci-of-arasan: Call OF parsing for MMC
  mmc: sdhci-pci: fix 64 BIT DMA quirks for rtsx
  mmc: Add support for marking hpi as broken through devicetree
  mmc: sdhci-tegra: convert to use GPIO descriptors
  mmc: omap_hsmmc: use generic slot-gpio isr to manage card detect pin
  ...

1 files changed, 32 insertions, 87 deletions

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index f84cfb01716d..9df2b6801f76 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -222,10 +222,6 @@ struct omap_hsmmc_host {
 	struct omap_hsmmc_next	next_data;
 	struct	omap_hsmmc_platform_data	*pdata;
 
-	/* To handle board related suspend/resume functionality for MMC */
-	int (*suspend)(struct device *dev);
-	int (*resume)(struct device *dev);
-
 	/* return MMC cover switch state, can be NULL if not supported.
 	 *
 	 * possible return values:
@@ -234,12 +230,7 @@ struct omap_hsmmc_host {
 	 */
 	int (*get_cover_state)(struct device *dev);
 
-	/* Card detection IRQs */
-	int card_detect_irq;
-
 	int (*card_detect)(struct device *dev);
-	int (*get_ro)(struct device *dev);
-
 };
 
 struct omap_mmc_of_data {
@@ -256,13 +247,6 @@ static int omap_hsmmc_card_detect(struct device *dev)
 	return mmc_gpio_get_cd(host->mmc);
 }
 
-static int omap_hsmmc_get_wp(struct device *dev)
-{
-	struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-
-	return mmc_gpio_get_ro(host->mmc);
-}
-
 static int omap_hsmmc_get_cover_state(struct device *dev)
 {
 	struct omap_hsmmc_host *host = dev_get_drvdata(dev);
@@ -434,7 +418,7 @@ static inline int omap_hsmmc_have_reg(void)
 
 #endif
 
-static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id);
+static irqreturn_t omap_hsmmc_cover_irq(int irq, void *dev_id);
 
 static int omap_hsmmc_gpio_init(struct mmc_host *mmc,
 				struct omap_hsmmc_host *host,
@@ -442,29 +426,25 @@ static int omap_hsmmc_gpio_init(struct mmc_host *mmc,
 {
 	int ret;
 
-	if (gpio_is_valid(pdata->switch_pin)) {
-		if (pdata->cover)
-			host->get_cover_state =
-				omap_hsmmc_get_cover_state;
-		else
-			host->card_detect = omap_hsmmc_card_detect;
-		host->card_detect_irq =
-				gpio_to_irq(pdata->switch_pin);
-		mmc_gpio_set_cd_isr(mmc, omap_hsmmc_detect);
-		ret = mmc_gpio_request_cd(mmc, pdata->switch_pin, 0);
+	if (gpio_is_valid(pdata->gpio_cod)) {
+		ret = mmc_gpio_request_cd(mmc, pdata->gpio_cod, 0);
 		if (ret)
 			return ret;
-	} else {
-		pdata->switch_pin = -EINVAL;
+
+		host->get_cover_state = omap_hsmmc_get_cover_state;
+		mmc_gpio_set_cd_isr(mmc, omap_hsmmc_cover_irq);
+	} else if (gpio_is_valid(pdata->gpio_cd)) {
+		ret = mmc_gpio_request_cd(mmc, pdata->gpio_cd, 0);
+		if (ret)
+			return ret;
+
+		host->card_detect = omap_hsmmc_card_detect;
 	}
 
 	if (gpio_is_valid(pdata->gpio_wp)) {
-		host->get_ro = omap_hsmmc_get_wp;
 		ret = mmc_gpio_request_ro(mmc, pdata->gpio_wp);
 		if (ret)
 			return ret;
-	} else {
-		pdata->gpio_wp = -EINVAL;
 	}
 
 	return 0;
@@ -882,6 +862,8 @@ static void omap_hsmmc_request_done(struct omap_hsmmc_host *host, struct mmc_req
 		return;
 	host->mrq = NULL;
 	mmc_request_done(host->mmc, mrq);
+	pm_runtime_mark_last_busy(host->dev);
+	pm_runtime_put_autosuspend(host->dev);
 }
 
 /*
@@ -1252,26 +1234,16 @@ static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host)
 }
 
 /*
- * irq handler to notify the core about card insertion/removal
+ * irq handler when (cell-phone) cover is mounted/removed
  */
-static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
+static irqreturn_t omap_hsmmc_cover_irq(int irq, void *dev_id)
 {
 	struct omap_hsmmc_host *host = dev_id;
-	int carddetect;
 
 	sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");
 
-	if (host->card_detect)
-		carddetect = host->card_detect(host->dev);
-	else {
-		omap_hsmmc_protect_card(host);
-		carddetect = -ENOSYS;
-	}
-
-	if (carddetect)
-		mmc_detect_change(host->mmc, (HZ * 200) / 1000);
-	else
-		mmc_detect_change(host->mmc, (HZ * 50) / 1000);
+	omap_hsmmc_protect_card(host);
+	mmc_detect_change(host->mmc, (HZ * 200) / 1000);
 	return IRQ_HANDLED;
 }
 
@@ -1305,6 +1277,8 @@ static void omap_hsmmc_dma_callback(void *param)
 
 		host->mrq = NULL;
 		mmc_request_done(host->mmc, mrq);
+		pm_runtime_mark_last_busy(host->dev);
+		pm_runtime_put_autosuspend(host->dev);
 	}
 }
 
@@ -1537,6 +1511,7 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
 
 	BUG_ON(host->req_in_progress);
 	BUG_ON(host->dma_ch != -1);
+	pm_runtime_get_sync(host->dev);
 	if (host->protect_card) {
 		if (host->reqs_blocked < 3) {
 			/*
@@ -1553,6 +1528,8 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
 			req->data->error = -EBADF;
 		req->cmd->retries = 0;
 		mmc_request_done(mmc, req);
+		pm_runtime_mark_last_busy(host->dev);
+		pm_runtime_put_autosuspend(host->dev);
 		return;
 	} else if (host->reqs_blocked)
 		host->reqs_blocked = 0;
@@ -1566,6 +1543,8 @@ static void omap_hsmmc_request(struct mmc_host *mmc, struct mmc_request *req)
 			req->data->error = err;
 		host->mrq = NULL;
 		mmc_request_done(mmc, req);
+		pm_runtime_mark_last_busy(host->dev);
+		pm_runtime_put_autosuspend(host->dev);
 		return;
 	}
 	if (req->sbc && !(host->flags & AUTO_CMD23)) {
@@ -1641,15 +1620,6 @@ static int omap_hsmmc_get_cd(struct mmc_host *mmc)
 	return host->card_detect(host->dev);
 }
 
-static int omap_hsmmc_get_ro(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	if (!host->get_ro)
-		return -ENOSYS;
-	return host->get_ro(host->dev);
-}
-
 static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
 {
 	struct omap_hsmmc_host *host = mmc_priv(mmc);
@@ -1778,25 +1748,6 @@ static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host)
 	set_sd_bus_power(host);
 }
 
-static int omap_hsmmc_enable_fclk(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	pm_runtime_get_sync(host->dev);
-
-	return 0;
-}
-
-static int omap_hsmmc_disable_fclk(struct mmc_host *mmc)
-{
-	struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-	pm_runtime_mark_last_busy(host->dev);
-	pm_runtime_put_autosuspend(host->dev);
-
-	return 0;
-}
-
 static int omap_hsmmc_multi_io_quirk(struct mmc_card *card,
 				     unsigned int direction, int blk_size)
 {
@@ -1808,14 +1759,12 @@ static int omap_hsmmc_multi_io_quirk(struct mmc_card *card,
 }
 
 static struct mmc_host_ops omap_hsmmc_ops = {
-	.enable = omap_hsmmc_enable_fclk,
-	.disable = omap_hsmmc_disable_fclk,
 	.post_req = omap_hsmmc_post_req,
 	.pre_req = omap_hsmmc_pre_req,
 	.request = omap_hsmmc_request,
 	.set_ios = omap_hsmmc_set_ios,
 	.get_cd = omap_hsmmc_get_cd,
-	.get_ro = omap_hsmmc_get_ro,
+	.get_ro = mmc_gpio_get_ro,
 	.init_card = omap_hsmmc_init_card,
 	.enable_sdio_irq = omap_hsmmc_enable_sdio_irq,
 };
@@ -1937,7 +1886,8 @@ static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
 	if (of_find_property(np, "ti,dual-volt", NULL))
 		pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
 
-	pdata->switch_pin = -EINVAL;
+	pdata->gpio_cd = -EINVAL;
+	pdata->gpio_cod = -EINVAL;
 	pdata->gpio_wp = -EINVAL;
 
 	if (of_find_property(np, "ti,non-removable", NULL)) {
@@ -2179,9 +2129,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 		if (ret < 0)
 			goto err_slot_name;
 	}
-	if (host->card_detect_irq && host->get_cover_state) {
+	if (host->get_cover_state) {
 		ret = device_create_file(&mmc->class_dev,
-					&dev_attr_cover_switch);
+					 &dev_attr_cover_switch);
 		if (ret < 0)
 			goto err_slot_name;
 	}
@@ -2236,7 +2186,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int omap_hsmmc_suspend(struct device *dev)
 {
 	struct omap_hsmmc_host *host = dev_get_drvdata(dev);
@@ -2292,10 +2242,6 @@ static int omap_hsmmc_resume(struct device *dev)
 	pm_runtime_put_autosuspend(host->dev);
 	return 0;
 }
-
-#else
-#define omap_hsmmc_suspend	NULL
-#define omap_hsmmc_resume	NULL
 #endif
 
 static int omap_hsmmc_runtime_suspend(struct device *dev)
@@ -2376,8 +2322,7 @@ static int omap_hsmmc_runtime_resume(struct device *dev)
 }
 
 static struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
-	.suspend	= omap_hsmmc_suspend,
-	.resume		= omap_hsmmc_resume,
+	SET_SYSTEM_SLEEP_PM_OPS(omap_hsmmc_suspend, omap_hsmmc_resume)
 	.runtime_suspend = omap_hsmmc_runtime_suspend,
 	.runtime_resume = omap_hsmmc_runtime_resume,
 };