---

yaml --- r: 223473 b: refs/heads/master c: 92d7c9b h: refs/heads/master i: 223471: 545fccc v: v3
git-mirror · Dec 20, 2010 · 7455886 · 7455886
1 parent f501c0b
commit 7455886
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1cf215a5b43950d1a304373037828158057ff9fc
+refs/heads/master: 92d7c9b2312474ce1259d71b4e50e01ae9fa95ea
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
@@ -2175,11 +2175,6 @@ and is between 256 and 4096 characters. It is defined in the file
 	reset_devices	[KNL] Force drivers to reset the underlying device
 			during initialization.
 
-	resource_alloc_from_bottom
-			Allocate new resources from the beginning of available
-			space, not the end.  If you need to use this, please
-			report a bug.
-
 	resume=		[SWSUSP]
 			Specify the partition device for software suspend
 

diff --git a/trunk/Documentation/power/runtime_pm.txt b/trunk/Documentation/power/runtime_pm.txt
@@ -379,8 +379,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
       zero)
 
   bool pm_runtime_suspended(struct device *dev);
-    - return true if the device's runtime PM status is 'suspended', or false
-      otherwise
+    - return true if the device's runtime PM status is 'suspended' and its
+      'power.disable_depth' field is equal to zero, or false otherwise
 
   void pm_runtime_allow(struct device *dev);
     - set the power.runtime_auto flag for the device and decrease its usage

diff --git a/trunk/arch/arm/mach-at91/Makefile b/trunk/arch/arm/mach-at91/Makefile
@@ -65,7 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
 obj-$(CONFIG_MACH_CPU9G20)	+= board-cpu9krea.o
 obj-$(CONFIG_MACH_STAMP9G20)	+= board-stamp9g20.o
 obj-$(CONFIG_MACH_PORTUXG20)	+= board-stamp9g20.o
-obj-$(CONFIG_MACH_PCONTROL_G20)	+= board-pcontrol-g20.o
+obj-$(CONFIG_MACH_PCONTROL_G20)	+= board-pcontrol-g20.o board-stamp9g20.o
 
 # AT91SAM9260/AT91SAM9G20 board-specific support
 obj-$(CONFIG_MACH_SNAPPER_9260)	+= board-snapper9260.o

diff --git a/trunk/arch/arm/mach-at91/board-pcontrol-g20.c b/trunk/arch/arm/mach-at91/board-pcontrol-g20.c
@@ -31,18 +31,15 @@
 
 #include <mach/board.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/stamp9g20.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
 
 
 static void __init pcontrol_g20_map_io(void)
 {
-	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
-
-	/* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
-	at91_register_uart(0, 0, 0);
+	stamp9g20_map_io();
 
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback  A2 */
 	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
@@ -54,9 +51,6 @@ static void __init pcontrol_g20_map_io(void)
 
 	/* USART2 on ttyS3. (Rx, Tx)  9bit-Bus  Multidrop-mode  X4 */
 	at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
-
-	/* set serial console to ttyS0 (ie, DBGU) */
-	at91_set_serial_console(0);
 }
 
 
@@ -66,38 +60,6 @@ static void __init init_irq(void)
 }
 
 
-/*
- * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
- */
-static struct atmel_nand_data __initdata nand_data = {
-	.ale		= 21,
-	.cle		= 22,
-	.rdy_pin	= AT91_PIN_PC13,
-	.enable_pin	= AT91_PIN_PC14,
-};
-
-/*
- * Bus timings; unit = 7.57ns
- */
-static struct sam9_smc_config __initdata nand_smc_config = {
-	.ncs_read_setup		= 0,
-	.nrd_setup		= 2,
-	.ncs_write_setup	= 0,
-	.nwe_setup		= 2,
-
-	.ncs_read_pulse		= 4,
-	.nrd_pulse		= 4,
-	.ncs_write_pulse	= 4,
-	.nwe_pulse		= 4,
-
-	.read_cycle		= 7,
-	.write_cycle		= 7,
-
-	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE
-			| AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
-	.tdf_cycles		= 3,
-};
-
 static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
 	.ncs_read_setup		= 16,
 	.nrd_setup		= 18,
@@ -138,14 +100,6 @@ static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
 	.tdf_cycles		= 1,
 } };
 
-static void __init add_device_nand(void)
-{
-	/* configure chip-select 3 (NAND) */
-	sam9_smc_configure(3, &nand_smc_config);
-	at91_add_device_nand(&nand_data);
-}
-
-
 static void __init add_device_pcontrol(void)
 {
 	/* configure chip-select 4 (IO compatible to 8051  X4 ) */
@@ -155,23 +109,6 @@ static void __init add_device_pcontrol(void)
 }
 
 
-/*
- * MCI (SD/MMC)
- * det_pin, wp_pin and vcc_pin are not connected
- */
-#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
-static struct mci_platform_data __initdata mmc_data = {
-	.slot[0] = {
-		.bus_width	= 4,
-	},
-};
-#else
-static struct at91_mmc_data __initdata mmc_data = {
-	.wire4		= 1,
-};
-#endif
-
-
 /*
  * USB Host port
  */
@@ -265,42 +202,13 @@ static struct spi_board_info pcontrol_g20_spi_devices[] = {
 };
 
 
-/*
- * Dallas 1-Wire  DS2431
- */
-static struct w1_gpio_platform_data w1_gpio_pdata = {
-	.pin		= AT91_PIN_PA29,
-	.is_open_drain	= 1,
-};
-
-static struct platform_device w1_device = {
-	.name			= "w1-gpio",
-	.id			= -1,
-	.dev.platform_data	= &w1_gpio_pdata,
-};
-
-static void add_wire1(void)
-{
-	at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
-	at91_set_multi_drive(w1_gpio_pdata.pin, 1);
-	platform_device_register(&w1_device);
-}
-
-
 static void __init pcontrol_g20_board_init(void)
 {
-	at91_add_device_serial();
-	add_device_nand();
-#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
-	at91_add_device_mci(0, &mmc_data);
-#else
-	at91_add_device_mmc(0, &mmc_data);
-#endif
+	stamp9g20_board_init();
 	at91_add_device_usbh(&usbh_data);
 	at91_add_device_eth(&macb_data);
 	at91_add_device_i2c(pcontrol_g20_i2c_devices,
 		ARRAY_SIZE(pcontrol_g20_i2c_devices));
-	add_wire1();
 	add_device_pcontrol();
 	at91_add_device_spi(pcontrol_g20_spi_devices,
 		ARRAY_SIZE(pcontrol_g20_spi_devices));

diff --git a/trunk/arch/arm/mach-at91/board-stamp9g20.c b/trunk/arch/arm/mach-at91/board-stamp9g20.c
@@ -32,14 +32,32 @@
 #include "generic.h"
 
 
-static void __init portuxg20_map_io(void)
+void __init stamp9g20_map_io(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
 	at91sam9260_initialize(18432000);
 
 	/* DGBU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
+	/* set serial console to ttyS0 (ie, DBGU) */
+	at91_set_serial_console(0);
+}
+
+static void __init stamp9g20evb_map_io(void)
+{
+	stamp9g20_map_io();
+
+	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+						| ATMEL_UART_DTR | ATMEL_UART_DSR
+						| ATMEL_UART_DCD | ATMEL_UART_RI);
+}
+
+static void __init portuxg20_map_io(void)
+{
+	stamp9g20_map_io();
+
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
 						| ATMEL_UART_DTR | ATMEL_UART_DSR
@@ -56,26 +74,6 @@ static void __init portuxg20_map_io(void)
 
 	/* USART5 on ttyS6. (Rx, Tx only) */
 	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
-
-	/* set serial console to ttyS0 (ie, DBGU) */
-	at91_set_serial_console(0);
-}
-
-static void __init stamp9g20_map_io(void)
-{
-	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
-
-	/* DGBU on ttyS0. (Rx & Tx only) */
-	at91_register_uart(0, 0, 0);
-
-	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
-	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
-						| ATMEL_UART_DTR | ATMEL_UART_DSR
-						| ATMEL_UART_DCD | ATMEL_UART_RI);
-
-	/* set serial console to ttyS0 (ie, DBGU) */
-	at91_set_serial_console(0);
 }
 
 static void __init init_irq(void)
@@ -156,7 +154,7 @@ static struct at91_udc_data __initdata portuxg20_udc_data = {
 	.pullup_pin	= 0,		/* pull-up driven by UDC */
 };
 
-static struct at91_udc_data __initdata stamp9g20_udc_data = {
+static struct at91_udc_data __initdata stamp9g20evb_udc_data = {
 	.vbus_pin	= AT91_PIN_PA22,
 	.pullup_pin	= 0,		/* pull-up driven by UDC */
 };
@@ -190,7 +188,7 @@ static struct gpio_led portuxg20_leds[] = {
 	}
 };
 
-static struct gpio_led stamp9g20_leds[] = {
+static struct gpio_led stamp9g20evb_leds[] = {
 	{
 		.name			= "D8",
 		.gpio			= AT91_PIN_PB18,
@@ -250,7 +248,7 @@ void add_w1(void)
 }
 
 
-static void __init generic_board_init(void)
+void __init stamp9g20_board_init(void)
 {
 	/* Serial */
 	at91_add_device_serial();
@@ -262,34 +260,40 @@ static void __init generic_board_init(void)
 #else
 	at91_add_device_mmc(0, &mmc_data);
 #endif
-	/* USB Host */
-	at91_add_device_usbh(&usbh_data);
-	/* Ethernet */
-	at91_add_device_eth(&macb_data);
-	/* I2C */
-	at91_add_device_i2c(NULL, 0);
 	/* W1 */
 	add_w1();
 }
 
 static void __init portuxg20_board_init(void)
 {
-	generic_board_init();
-	/* SPI */
-	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
+	stamp9g20_board_init();
+	/* USB Host */
+	at91_add_device_usbh(&usbh_data);
 	/* USB Device */
 	at91_add_device_udc(&portuxg20_udc_data);
+	/* Ethernet */
+	at91_add_device_eth(&macb_data);
+	/* I2C */
+	at91_add_device_i2c(NULL, 0);
+	/* SPI */
+	at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices));
 	/* LEDs */
 	at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds));
 }
 
-static void __init stamp9g20_board_init(void)
+static void __init stamp9g20evb_board_init(void)
 {
-	generic_board_init();
+	stamp9g20_board_init();
+	/* USB Host */
+	at91_add_device_usbh(&usbh_data);
 	/* USB Device */
-	at91_add_device_udc(&stamp9g20_udc_data);
+	at91_add_device_udc(&stamp9g20evb_udc_data);
+	/* Ethernet */
+	at91_add_device_eth(&macb_data);
+	/* I2C */
+	at91_add_device_i2c(NULL, 0);
 	/* LEDs */
-	at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds));
+	at91_gpio_leds(stamp9g20evb_leds, ARRAY_SIZE(stamp9g20evb_leds));
 }
 
 MACHINE_START(PORTUXG20, "taskit PortuxG20")
@@ -305,7 +309,7 @@ MACHINE_START(STAMP9G20, "taskit Stamp9G20")
 	/* Maintainer: taskit GmbH */
 	.boot_params	= AT91_SDRAM_BASE + 0x100,
 	.timer		= &at91sam926x_timer,
-	.map_io		= stamp9g20_map_io,
+	.map_io		= stamp9g20evb_map_io,
 	.init_irq	= init_irq,
-	.init_machine	= stamp9g20_board_init,
+	.init_machine	= stamp9g20evb_board_init,
 MACHINE_END
diff --git a/trunk/arch/arm/mach-at91/clock.c b/trunk/arch/arm/mach-at91/clock.c
@@ -658,7 +658,7 @@ static void __init at91_upll_usbfs_clock_init(unsigned long main_clock)
 	/* Now set uhpck values */
 	uhpck.parent = &utmi_clk;
 	uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
-	uhpck.rate_hz = utmi_clk.parent->rate_hz;
+	uhpck.rate_hz = utmi_clk.rate_hz;
 	uhpck.rate_hz /= 1 + ((at91_sys_read(AT91_PMC_USB) & AT91_PMC_OHCIUSBDIV) >> 8);
 }
 

diff --git a/trunk/arch/arm/mach-at91/include/mach/stamp9g20.h b/trunk/arch/arm/mach-at91/include/mach/stamp9g20.h
@@ -0,0 +1,7 @@
+#ifndef __MACH_STAMP9G20_H
+#define __MACH_STAMP9G20_H
+
+void stamp9g20_map_io(void);
+void stamp9g20_board_init(void);
+
+#endif
diff --git a/trunk/arch/arm/mach-s3c2412/Kconfig b/trunk/arch/arm/mach-s3c2412/Kconfig
@@ -28,9 +28,16 @@ config S3C2412_DMA
 
 config S3C2412_PM
 	bool
+	select S3C2412_PM_SLEEP
 	help
 	  Internal config node to apply S3C2412 power management
 
+config S3C2412_PM_SLEEP
+	bool
+	help
+	  Internal config node to apply sleep for S3C2412 power management.
+	  Can be selected by another SoCs with similar sleep procedure.
+
 # Note, the S3C2412 IOtiming support is in plat-s3c24xx
 
 config S3C2412_CPUFREQ

diff --git a/trunk/arch/arm/mach-s3c2412/Makefile b/trunk/arch/arm/mach-s3c2412/Makefile
@@ -14,7 +14,8 @@ obj-$(CONFIG_CPU_S3C2412)	+= irq.o
 obj-$(CONFIG_CPU_S3C2412)	+= clock.o
 obj-$(CONFIG_CPU_S3C2412)	+= gpio.o
 obj-$(CONFIG_S3C2412_DMA)	+= dma.o
-obj-$(CONFIG_S3C2412_PM)	+= pm.o sleep.o
+obj-$(CONFIG_S3C2412_PM)	+= pm.o
+obj-$(CONFIG_S3C2412_PM_SLEEP)	+= sleep.o
 obj-$(CONFIG_S3C2412_CPUFREQ)	+= cpu-freq.o
 
 # Machine support

diff --git a/trunk/arch/arm/mach-s3c2416/Kconfig b/trunk/arch/arm/mach-s3c2416/Kconfig
@@ -27,6 +27,7 @@ config S3C2416_DMA
 
 config S3C2416_PM
 	bool
+	select S3C2412_PM_SLEEP
 	help
 	  Internal config node to apply S3C2416 power management
-Original file line number
+Diff line change
@@ Expand Up / @@ -27,6 +27,7 @@ config S3C2416_DMA @@
     config S3C2416_PM
     	bool
+    	select S3C2412_PM_SLEEP
     	help
     	  Internal config node to apply S3C2416 power management
@@ Expand Down @@