Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/…

…git/sameo/mfd-2.6

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (73 commits)
  power: Revert "power_supply: Mark twl4030_charger as broken"
  mfd: Fix a memory leak when unload mc13xxx-core module
  mfd: Fix resource reclaim for max8998
  mfd: Remove unneeded ret value checking for max8998 register updates
  mfd: Add free max8998->ono irq in max8998_irq_exit()
  mfd: Fix resource reclaim in pcf50633_remove()
  omap4: pandaboard: fix up mmc card detect logic
  mfd: Fix ezx_pcap_probe error path
  mfd: Fix off-by-one value range checking for tps6507x
  mfd: Remove __devinitdata from tc6393xb_mmc_resources
  mfd: Add WM831x SPI support
  mfd: Factor out WM831x I2C I/O from the core driver
  mfd: Remove DEBUG defines from mc13xxx-core
  mfd: Fix jz4740_adc_set_enabled
  mfd: Add TPS658621C device ID
  mfd: Fix twl-irq function declaration warnings
  regulator: max8998 BUCK1/2 voltage change with use of GPIOs
  mfd: Voltages and GPIOs platform_data definitions for max8998
  regulator: max8998 BUCK1/2 internal voltages and indexes defined
  mfd: Support for ICs compliant with max8998
  ...

arch/arm/mach-omap2/board-4430sdp.c

@@ -269,9 +269,14 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 	struct omap_mmc_platform_data *pdata = dev->platform_data;
 
 	/* Setting MMC1 Card detect Irq */
-	if (pdev->id == 0)
+	if (pdev->id == 0) {
+		ret = twl6030_mmc_card_detect_config();
+		if (ret)
+			pr_err("Failed configuring MMC1 card detect\n");
 		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
 						MMCDETECT_INTR_OFFSET;
+		pdata->slots[0].card_detect = twl6030_mmc_card_detect;
+	}
 	return ret;
 }
 

arch/arm/mach-omap2/board-omap4panda.c

@@ -160,10 +160,19 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 				struct platform_device, dev);
 	struct omap_mmc_platform_data *pdata = dev->platform_data;
 
+	if (!pdata) {
+		dev_err(dev, "%s: NULL platform data\n", __func__);
+		return -EINVAL;
+	}
 	/* Setting MMC1 Card detect Irq */
-	if (pdev->id == 0)
-		pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
-						MMCDETECT_INTR_OFFSET;
+	if (pdev->id == 0) {
+		ret = twl6030_mmc_card_detect_config();
+		 if (ret)
+			dev_err(dev, "%s: Error card detect config(%d)\n",
+				__func__, ret);
+		 else
+			pdata->slots[0].card_detect = twl6030_mmc_card_detect;
+	}
 	return ret;
 }
 

arch/arm/mach-s3c64xx/Kconfig

@@ -185,6 +185,7 @@ config SMDK6410_WM1192_EV1
 	select REGULATOR_WM831X
 	select S3C24XX_GPIO_EXTRA64
 	select MFD_WM831X
+	select MFD_WM831X_I2C
 	help
 	  The Wolfson Microelectronics 1192-EV1 is a WM831x based PMIC
 	  daughtercard for the Samsung SMDK6410 reference platform.

arch/arm/mach-shmobile/board-ap4evb.c

@@ -235,6 +235,18 @@ static struct platform_device smc911x_device = {
 	},
 };
 
+/*
+ * The card detect pin of the top SD/MMC slot (CN7) is active low and is
+ * connected to GPIO A22 of SH7372 (GPIO_PORT41).
+ */
+static int slot_cn7_get_cd(struct platform_device *pdev)
+{
+	if (gpio_is_valid(GPIO_PORT41))
+		return !gpio_get_value(GPIO_PORT41);
+	else
+		return -ENXIO;
+}
+
 /* SH_MMCIF */
 static struct resource sh_mmcif_resources[] = {
 	[0] = {
@@ -261,6 +273,7 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = {
 	.caps		= MMC_CAP_4_BIT_DATA |
 			  MMC_CAP_8_BIT_DATA |
 			  MMC_CAP_NEEDS_POLL,
+	.get_cd		= slot_cn7_get_cd,
 };
 
 static struct platform_device sh_mmcif_device = {
@@ -310,6 +323,8 @@ static struct sh_mobile_sdhi_info sdhi1_info = {
 	.dma_slave_rx	= SHDMA_SLAVE_SDHI1_RX,
 	.tmio_ocr_mask	= MMC_VDD_165_195,
 	.tmio_flags	= TMIO_MMC_WRPROTECT_DISABLE,
+	.tmio_caps	= MMC_CAP_NEEDS_POLL,
+	.get_cd		= slot_cn7_get_cd,
 };
 
 static struct resource sdhi1_resources[] = {
@@ -948,6 +963,10 @@ static void __init ap4evb_init(void)
 	gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
 	gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
 
+	/* card detect pin for MMC slot (CN7) */
+	gpio_request(GPIO_PORT41, NULL);
+	gpio_direction_input(GPIO_PORT41);
+
 	/* set SPU2 clock to 119.6 MHz */
 	clk = clk_get(NULL, "spu_clk");
 	if (!IS_ERR(clk)) {

drivers/gpio/Kconfig

@@ -116,6 +116,18 @@ config GPIO_SCH
 	  This driver can also be built as a module. If so, the module
 	  will be called sch-gpio.
 
+config GPIO_VX855
+	tristate "VIA VX855/VX875 GPIO"
+	depends on GPIOLIB
+	select MFD_CORE
+	select MFD_VX855
+	help
+	  Support access to the VX855/VX875 GPIO lines through the gpio library.
+
+	  This driver provides common support for accessing the device,
+	  additional drivers must be enabled in order to use the
+	  functionality of the device.
+
 comment "I2C GPIO expanders:"
 
 config GPIO_MAX7300

drivers/gpio/Makefile

@@ -40,3 +40,4 @@ obj-$(CONFIG_GPIO_SCH)		+= sch_gpio.o
 obj-$(CONFIG_GPIO_RDC321X)	+= rdc321x-gpio.o
 obj-$(CONFIG_GPIO_JANZ_TTL)	+= janz-ttl.o
 obj-$(CONFIG_GPIO_SX150X)	+= sx150x.o
+obj-$(CONFIG_GPIO_VX855)	+= vx855_gpio.o

drivers/gpio/stmpe-gpio.c

@@ -30,6 +30,7 @@ struct stmpe_gpio {
 	struct mutex irq_lock;
 
 	int irq_base;
+	unsigned norequest_mask;
 
 	/* Caches of interrupt control registers for bus_lock */
 	u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
@@ -103,6 +104,9 @@ static int stmpe_gpio_request(struct gpio_chip *chip, unsigned offset)
 	struct stmpe_gpio *stmpe_gpio = to_stmpe_gpio(chip);
 	struct stmpe *stmpe = stmpe_gpio->stmpe;
 
+	if (stmpe_gpio->norequest_mask & (1 << offset))
+		return -EINVAL;
+
 	return stmpe_set_altfunc(stmpe, 1 << offset, STMPE_BLOCK_GPIO);
 }
 
@@ -287,8 +291,6 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
 	int irq;
 
 	pdata = stmpe->pdata->gpio;
-	if (!pdata)
-		return -ENODEV;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
@@ -302,6 +304,7 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
 
 	stmpe_gpio->dev = &pdev->dev;
 	stmpe_gpio->stmpe = stmpe;
+	stmpe_gpio->norequest_mask = pdata ? pdata->norequest_mask : 0;
 
 	stmpe_gpio->chip = template_chip;
 	stmpe_gpio->chip.ngpio = stmpe->num_gpios;
@@ -312,11 +315,11 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
 
 	ret = stmpe_enable(stmpe, STMPE_BLOCK_GPIO);
 	if (ret)
-		return ret;
+		goto out_free;
 
 	ret = stmpe_gpio_irq_init(stmpe_gpio);
 	if (ret)
-		goto out_free;
+		goto out_disable;
 
 	ret = request_threaded_irq(irq, NULL, stmpe_gpio_irq, IRQF_ONESHOT,
 				   "stmpe-gpio", stmpe_gpio);
@@ -342,6 +345,8 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
 	free_irq(irq, stmpe_gpio);
 out_removeirq:
 	stmpe_gpio_irq_remove(stmpe_gpio);
+out_disable:
+	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
 out_free:
 	kfree(stmpe_gpio);
 	return ret;