Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 67 insertions, 11 deletions

diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 366a7765635..fe99206de88 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -23,6 +23,7 @@
 #include <mach/board.h>
 #include <mach/at91sam9263.h>
 #include <mach/at91sam9263_matrix.h>
+#include <mach/at91_matrix.h>
 #include <mach/at91sam9_smc.h>
 
 #include "generic.h"
@@ -71,7 +72,8 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data)
 	/* Enable VBus control for UHP ports */
 	for (i = 0; i < data->ports; i++) {
 		if (gpio_is_valid(data->vbus_pin[i]))
-			at91_set_gpio_output(data->vbus_pin[i], 0);
+			at91_set_gpio_output(data->vbus_pin[i],
+					     data->vbus_pin_active_low[i]);
 	}
 
 	/* Enable overcurrent notification */
@@ -409,7 +411,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
 	 * we assume SMC timings are configured by board code,
 	 * except True IDE where timings are controlled by driver
 	 */
-	ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
+	ebi0_csa = at91_matrix_read(AT91_MATRIX_EBI0CSA);
 	switch (data->chipselect) {
 	case 4:
 		at91_set_A_periph(AT91_PIN_PD6, 0);  /* EBI0_NCS4/CFCS0 */
@@ -428,7 +430,7 @@ void __init at91_add_device_cf(struct at91_cf_data *data)
 		       data->chipselect);
 		return;
 	}
-	at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
+	at91_matrix_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
 
 	if (gpio_is_valid(data->det_pin)) {
 		at91_set_gpio_input(data->det_pin, 1);
@@ -496,8 +498,8 @@ void __init at91_add_device_nand(struct atmel_nand_data *data)
 	if (!data)
 		return;
 
-	csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
-	at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
+	csa = at91_matrix_read(AT91_MATRIX_EBI0CSA);
+	at91_matrix_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
 
 	/* enable pin */
 	if (gpio_is_valid(data->enable_pin))
@@ -670,6 +672,9 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
 		else
 			cs_pin = spi1_standard_cs[devices[i].chip_select];
 
+		if (!gpio_is_valid(cs_pin))
+			continue;
+
 		if (devices[i].bus_num == 0)
 			enable_spi0 = 1;
 		else
@@ -891,7 +896,8 @@ static struct platform_device at91sam9263_isi_device = {
 	.num_resources	= ARRAY_SIZE(isi_resources),
 };
 
-void __init at91_add_device_isi(void)
+void __init at91_add_device_isi(struct isi_platform_data *data,
+		bool use_pck_as_mck)
 {
 	at91_set_A_periph(AT91_PIN_PE0, 0);	/* ISI_D0 */
 	at91_set_A_periph(AT91_PIN_PE1, 0);	/* ISI_D1 */
@@ -904,14 +910,20 @@ void __init at91_add_device_isi(void)
 	at91_set_A_periph(AT91_PIN_PE8, 0);	/* ISI_PCK */
 	at91_set_A_periph(AT91_PIN_PE9, 0);	/* ISI_HSYNC */
 	at91_set_A_periph(AT91_PIN_PE10, 0);	/* ISI_VSYNC */
-	at91_set_B_periph(AT91_PIN_PE11, 0);	/* ISI_MCK (PCK3) */
 	at91_set_B_periph(AT91_PIN_PE12, 0);	/* ISI_PD8 */
 	at91_set_B_periph(AT91_PIN_PE13, 0);	/* ISI_PD9 */
 	at91_set_B_periph(AT91_PIN_PE14, 0);	/* ISI_PD10 */
 	at91_set_B_periph(AT91_PIN_PE15, 0);	/* ISI_PD11 */
+
+	if (use_pck_as_mck) {
+		at91_set_B_periph(AT91_PIN_PE11, 0);	/* ISI_MCK (PCK3) */
+
+		/* TODO: register the PCK for ISI_MCK and set its parent */
+	}
 }
 #else
-void __init at91_add_device_isi(void) {}
+void __init at91_add_device_isi(struct isi_platform_data *data,
+		bool use_pck_as_mck) {}
 #endif
 
 
@@ -959,6 +971,8 @@ static struct resource rtt0_resources[] = {
 		.start	= AT91SAM9263_BASE_RTT0,
 		.end	= AT91SAM9263_BASE_RTT0 + SZ_16 - 1,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.flags	= IORESOURCE_MEM,
 	}
 };
 
@@ -966,7 +980,6 @@ static struct platform_device at91sam9263_rtt0_device = {
 	.name		= "at91_rtt",
 	.id		= 0,
 	.resource	= rtt0_resources,
-	.num_resources	= ARRAY_SIZE(rtt0_resources),
 };
 
 static struct resource rtt1_resources[] = {
@@ -974,6 +987,8 @@ static struct resource rtt1_resources[] = {
 		.start	= AT91SAM9263_BASE_RTT1,
 		.end	= AT91SAM9263_BASE_RTT1 + SZ_16 - 1,
 		.flags	= IORESOURCE_MEM,
+	}, {
+		.flags	= IORESOURCE_MEM,
 	}
 };
 
@@ -981,11 +996,53 @@ static struct platform_device at91sam9263_rtt1_device = {
 	.name		= "at91_rtt",
 	.id		= 1,
 	.resource	= rtt1_resources,
-	.num_resources	= ARRAY_SIZE(rtt1_resources),
 };
 
+#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
+static void __init at91_add_device_rtt_rtc(void)
+{
+	struct platform_device *pdev;
+	struct resource *r;
+
+	switch (CONFIG_RTC_DRV_AT91SAM9_RTT) {
+	case 0:
+		/*
+		 * The second resource is needed only for the chosen RTT:
+		 * GPBR will serve as the storage for RTC time offset
+		 */
+		at91sam9263_rtt0_device.num_resources = 2;
+		at91sam9263_rtt1_device.num_resources = 1;
+		pdev = &at91sam9263_rtt0_device;
+		r = rtt0_resources;
+		break;
+	case 1:
+		at91sam9263_rtt0_device.num_resources = 1;
+		at91sam9263_rtt1_device.num_resources = 2;
+		pdev = &at91sam9263_rtt1_device;
+		r = rtt1_resources;
+		break;
+	default:
+		pr_err("at91sam9263: only supports 2 RTT (%d)\n",
+		       CONFIG_RTC_DRV_AT91SAM9_RTT);
+		return;
+	}
+
+	pdev->name = "rtc-at91sam9";
+	r[1].start = AT91SAM9263_BASE_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
+	r[1].end = r[1].start + 3;
+}
+#else
+static void __init at91_add_device_rtt_rtc(void)
+{
+	/* Only one resource is needed: RTT not used as RTC */
+	at91sam9263_rtt0_device.num_resources = 1;
+	at91sam9263_rtt1_device.num_resources = 1;
+}
+#endif
+
 static void __init at91_add_device_rtt(void)
 {
+	at91_add_device_rtt_rtc();
 	platform_device_register(&at91sam9263_rtt0_device);
 	platform_device_register(&at91sam9263_rtt1_device);
 }
@@ -1371,7 +1428,6 @@ static inline void configure_usart2_pins(unsigned pins)
 }
 
 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];	/* the UARTs to use */
-struct platform_device *atmel_default_console_device;	/* the serial console device */
 
 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
 {