---

yaml
---
r: 220574
b: refs/heads/master
c: b8e9cf0
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c96aefbe79becf940d27cd8ad2c5aba48322162
+refs/heads/master: b8e9cf0b28173fc25dae9f3ac44de6fc4e9fc385

trunk/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);
 }
 
@@ -302,6 +306,7 @@ 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;

trunk/include/linux/mfd/stmpe.h

@@ -112,13 +112,19 @@ struct stmpe_keypad_platform_data {
 	bool no_autorepeat;
 };
 
+#define STMPE_GPIO_NOREQ_811_TOUCH	(0xf0)
+
 /**
  * struct stmpe_gpio_platform_data - STMPE GPIO platform data
  * @gpio_base: first gpio number assigned.  A maximum of
  *	       %STMPE_NR_GPIOS GPIOs will be allocated.
+ * @norequest_mask: bitmask specifying which GPIOs should _not_ be
+ *		    requestable due to different usage (e.g. touch, keypad)
+ *		    STMPE_GPIO_NOREQ_* macros can be used here.
  */
 struct stmpe_gpio_platform_data {
 	int gpio_base;
+	unsigned norequest_mask;
 	void (*setup)(struct stmpe *stmpe, unsigned gpio_base);
 	void (*remove)(struct stmpe *stmpe, unsigned gpio_base);
 };