Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6

8 files changed, 54 insertions, 13 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index cfd9964..99875dd 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -486,8 +486,6 @@ config ARCH_PXA
 	select HAVE_CLK
 	select COMMON_CLKDEV
 	select ARCH_REQUIRE_GPIOLIB
-	select HAVE_CLK
-	select COMMON_CLKDEV
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
 	select TICK_ONESHOT
@@ -1173,12 +1171,6 @@ config CPU_FREQ_IMX
 
 	  If in doubt, say N.
 
-config CPU_FREQ_PXA
-	bool
-	depends on CPU_FREQ && ARCH_PXA && PXA25x
-	default y
-	select CPU_FREQ_DEFAULT_GOV_USERSPACE
-
 endif
 
 source "drivers/cpuidle/Kconfig"
diff --git a/arch/arm/configs/viper_defconfig b/arch/arm/configs/viper_defconfig
index 30f463d..6ab5dd5 100644
--- a/arch/arm/configs/viper_defconfig
+++ b/arch/arm/configs/viper_defconfig
@@ -298,7 +298,6 @@ CONFIG_CPU_FREQ_GOV_POWERSAVE=m
 CONFIG_CPU_FREQ_GOV_USERSPACE=m
 CONFIG_CPU_FREQ_GOV_ONDEMAND=m
 CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
-CONFIG_CPU_FREQ_PXA=y
 
 #
 # Floating point emulation
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index cdf21dd..930e364 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -427,12 +427,22 @@ static struct pxa2xx_spi_master corgi_spi_info = {
 	.num_chipselect	= 3,
 };
 
+static void corgi_wait_for_hsync(void)
+{
+	while (gpio_get_value(CORGI_GPIO_HSYNC))
+		cpu_relax();
+
+	while (!gpio_get_value(CORGI_GPIO_HSYNC))
+		cpu_relax();
+}
+
 static struct ads7846_platform_data corgi_ads7846_info = {
 	.model			= 7846,
 	.vref_delay_usecs	= 100,
 	.x_plate_ohms		= 419,
 	.y_plate_ohms		= 486,
 	.gpio_pendown		= CORGI_GPIO_TP_INT,
+	.wait_for_sync		= corgi_wait_for_hsync,
 };
 
 static void corgi_ads7846_cs(u32 command)
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index e13f6a8..c872b9f 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -334,6 +334,11 @@ static struct led_info littleton_da9034_leds[] = {
 	},
 };
 
+static struct da9034_touch_pdata littleton_da9034_touch = {
+	.x_inverted     = 1,
+	.interval_ms    = 20,
+};
+
 static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 	{
 		.name		= "da903x-led",
@@ -350,6 +355,10 @@ static struct da903x_subdev_info littleton_da9034_subdevs[] = {
 	}, {
 		.name		= "da903x-backlight",
 		.id		= DA9034_ID_WLED,
+	}, {
+		.name		= "da9034-touch",
+		.id		= DA9034_ID_TOUCH,
+		.platform_data	= &littleton_da9034_touch,
 	},
 };
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 8c61dda..c18e34a 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)
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
index c1f7320..c256c57 100644
--- a/arch/arm/mach-pxa/zylonite_pxa300.c
+++ b/arch/arm/mach-pxa/zylonite_pxa300.c
@@ -72,6 +72,7 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
 	GPIO25_AC97_SDATA_IN_0,
 	GPIO27_AC97_SDATA_OUT,
 	GPIO28_AC97_SYNC,
+	GPIO17_GPIO,	/* SDATA_IN_1 but unused - configure to GPIO */
 
 	/* SSP3 */
 	GPIO91_SSP3_SCLK,
@@ -126,6 +127,10 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
 	/* Standard I2C */
 	GPIO21_I2C_SCL,
 	GPIO22_I2C_SDA,
+
+	/* GPIO */
+	GPIO18_GPIO,	/* GPIO Expander #0 INT_N */
+	GPIO19_GPIO,	/* GPIO Expander #1 INT_N */
 };
 
 static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
index 4e1c488..cc5a228 100644
--- a/arch/arm/mach-pxa/zylonite_pxa320.c
+++ b/arch/arm/mach-pxa/zylonite_pxa320.c
@@ -68,6 +68,7 @@ static mfp_cfg_t mfp_cfg[] __initdata = {
 	GPIO38_AC97_SYNC,
 	GPIO39_AC97_BITCLK,
 	GPIO40_AC97_nACRESET,
+	GPIO36_GPIO,	/* SDATA_IN_1 but unused - configure to GPIO */
 
 	/* SSP3 */
 	GPIO89_SSP3_SCLK,
diff --git a/arch/arm/plat-pxa/gpio.c b/arch/arm/plat-pxa/gpio.c
index af819bf..abc79d4 100644
--- a/arch/arm/plat-pxa/gpio.c
+++ b/arch/arm/plat-pxa/gpio.c
@@ -121,6 +121,8 @@ static int __init pxa_init_gpio_chip(int gpio_end)
 		return -ENOMEM;
 	}
 
+	memset(chips, 0, nbanks * sizeof(struct pxa_gpio_chip));
+
 	for (i = 0, gpio = 0; i < nbanks; i++, gpio += 32) {
 		struct gpio_chip *c = &chips[i].chip;
 
@@ -143,6 +145,21 @@ static int __init pxa_init_gpio_chip(int gpio_end)
 	return 0;
 }
 
+/* Update only those GRERx and GFERx edge detection register bits if those
+ * bits are set in c->irq_mask
+ */
+static inline void update_edge_detect(struct pxa_gpio_chip *c)
+{
+	uint32_t grer, gfer;
+
+	grer = __raw_readl(c->regbase + GRER_OFFSET) & ~c->irq_mask;
+	gfer = __raw_readl(c->regbase + GFER_OFFSET) & ~c->irq_mask;
+	grer |= c->irq_edge_rise & c->irq_mask;
+	gfer |= c->irq_edge_fall & c->irq_mask;
+	__raw_writel(grer, c->regbase + GRER_OFFSET);
+	__raw_writel(gfer, c->regbase + GFER_OFFSET);
+}
+
 static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
 {
 	struct pxa_gpio_chip *c;
@@ -181,8 +198,7 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
 	else
 		c->irq_edge_fall &= ~mask;
 
-	__raw_writel(c->irq_edge_rise & c->irq_mask, c->regbase + GRER_OFFSET);
-	__raw_writel(c->irq_edge_fall & c->irq_mask, c->regbase + GFER_OFFSET);
+	update_edge_detect(c);
 
 	pr_debug("%s: IRQ%d (GPIO%d) - edge%s%s\n", __func__, irq, gpio,
 		((type & IRQ_TYPE_EDGE_RISING)  ? " rising"  : ""),
@@ -244,8 +260,7 @@ static void pxa_unmask_muxed_gpio(unsigned int irq)
 	struct pxa_gpio_chip *c = gpio_to_chip(gpio);
 
 	c->irq_mask |= GPIO_bit(gpio);
-	__raw_writel(c->irq_edge_rise & c->irq_mask, c->regbase + GRER_OFFSET);
-	__raw_writel(c->irq_edge_fall & c->irq_mask, c->regbase + GFER_OFFSET);
+	update_edge_detect(c);
 }
 
 static struct irq_chip pxa_muxed_gpio_chip = {