Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits)
  [ARM] 5489/1: ARM errata: Data written to the L2 cache can be overwritten with stale data
  [ARM] 5490/1: ARM errata: Processor deadlock when a false hazard is created
  [ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branch
  [ARM] 5488/1: ARM errata: Invalidation of the Instruction Cache operation can fail
  davinci: DM644x: NAND: update partitioning
  davinci: update DM644x support in preparation for more SoCs
  davinci: DM644x: rename board file
  davinci: update pin-multiplexing support
  davinci: serial: generalize for more SoCs
  davinci: DM355 IRQ Definitions
  davinci: DM646x: add interrupt number and priorities
  davinci: PSC: Clear bits in MDCTL reg before setting new bits
  davinci: gpio bugfixes
  davinci: add EDMA driver
  davinci: timers: use clk_get_rate()
  [ARM] pxa/littleton: add missing da9034 touchscreen support
  [ARM] pxa/zylonite: configure GPIO18/19 correctly, used by 2 GPIO expanders
  [ARM] pxa/zylonite: fix the issue of unused SDATA_IN_1 pin get AC97 not working
  [ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC
  [ARM] pxa: remove unused CPU_FREQ_PXA Kconfig symbol
  ...

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 8c61ddac119e..c18e34acafcb 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -299,12 +299,22 @@ static struct pxa2xx_spi_master spitz_spi_info = {
         .num_chipselect = 3,
 };
 
+static void spitz_wait_for_hsync(void)
+{
+        while (gpio_get_value(SPITZ_GPIO_HSYNC))
+                cpu_relax();
+
+        while (!gpio_get_value(SPITZ_GPIO_HSYNC))
+                cpu_relax();
+}
+
 static struct ads7846_platform_data spitz_ads7846_info = {
         .model                  = 7846,
         .vref_delay_usecs       = 100,
         .x_plate_ohms           = 419,
         .y_plate_ohms           = 486,
         .gpio_pendown           = SPITZ_GPIO_TP_INT,
+        .wait_for_sync          = spitz_wait_for_hsync,
 };
 
 static void spitz_ads7846_cs(u32 command)