Merge commit 'v3.6-rc1' into linux-next

* commit 'v3.6-rc1': (9532 commits)
  Linux 3.6-rc1
  mm: remove node_start_pfn checking in new WARN_ON for now
  ARM: mmp: add missing irqs.h
  arm: mvebu: fix typo in .dtsi comment for Armada XP SoCs
  ARM: PRIMA2: delete redundant codes to restore LATCHED when timer resumes
  libceph: fix crypto key null deref, memory leak
  ceph: simplify+fix atomic_open
  sh: explicitly include sh_dma.h in setup-sh7722.c
  um: Add arch/x86/um to MAINTAINERS
  um: pass siginfo to guest process
  um: fix ubd_file_size for read-only files
  md/dm-raid: DM_RAID should select MD_RAID10
  md/raid1: submit IO from originating thread instead of md thread.
  raid5: raid5d handle stripe in batch way
  raid5: make_request use batch stripe release
  um: pull interrupt_end() into userspace()
  um: split syscall_trace(), pass pt_regs to it
  um: switch UPT_SET_RETURN_VALUE and regs_return_value to pt_regs
  MIPS: Loongson 2: Sort out clock managment.
  locks: remove unused lm_release_private
  ...

1 files changed, 23 insertions, 10 deletions

diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index 1706ebcec08d..14734746457c 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -35,6 +35,16 @@ static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 	.turbo_mode	= 0,
 };
 
+/*
+ * ADS7846 driver maybe request a gpio according to the value
+ * of pdata->get_pendown_state, but we have done this. So set
+ * get_pendown_state to avoid twice gpio requesting.
+ */
+static int omap3_get_pendown_state(void)
+{
+	return !gpio_get_value(OMAP3_EVM_TS_GPIO);
+}
+
 static struct ads7846_platform_data ads7846_config = {
 	.x_max			= 0x0fff,
 	.y_max			= 0x0fff,
@@ -45,6 +55,7 @@ static struct ads7846_platform_data ads7846_config = {
 	.debounce_rep		= 1,
 	.gpio_pendown		= -EINVAL,
 	.keep_vref_on		= 1,
+	.get_pendown_state	= &omap3_get_pendown_state,
 };
 
 static struct spi_board_info ads7846_spi_board_info __initdata = {
@@ -63,28 +74,30 @@ void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce,
 	struct spi_board_info *spi_bi = &ads7846_spi_board_info;
 	int err;
 
-	if (board_pdata && board_pdata->get_pendown_state) {
-		err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
-		if (err) {
-			pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
-			return;
-		}
-		gpio_export(gpio_pendown, 0);
-
-		if (gpio_debounce)
-			gpio_set_debounce(gpio_pendown, gpio_debounce);
+	err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
+	if (err) {
+		pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
+		return;
 	}
 
+	if (gpio_debounce)
+		gpio_set_debounce(gpio_pendown, gpio_debounce);
+
 	spi_bi->bus_num	= bus_num;
 	spi_bi->irq	= gpio_to_irq(gpio_pendown);
 
 	if (board_pdata) {
 		board_pdata->gpio_pendown = gpio_pendown;
 		spi_bi->platform_data = board_pdata;
+		if (board_pdata->get_pendown_state)
+			gpio_export(gpio_pendown, 0);
 	} else {
 		ads7846_config.gpio_pendown = gpio_pendown;
 	}
 
+	if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
+		gpio_free(gpio_pendown);
+
 	spi_register_board_info(&ads7846_spi_board_info, 1);
 }
 #else