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Commit 585eb6da authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  [AVR32] Define mmiowb()
  [AVR32] Fix bogus pte_page() definition
  [AVR32] Simplify pte_alloc_one{,_kernel}
  include/asm-avr32/pgalloc.h: kmalloc + memset conversion to kcalloc
  [AVR32] Wire up i2c-gpio on the ATNGW100 board
  [AVR32] leds-gpio for stk1000
parents 844d6c48 cca67164

arch/avr32/boards/atngw100/setup.c

+18 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
 */

#include <linux/clk.h>

#include <linux/etherdevice.h>

#include <linux/i2c-gpio.h>

#include <linux/init.h>

#include <linux/linkage.h>

#include <linux/platform_device.h>
@@ -123,6 +124,19 @@ static struct platform_device ngw_gpio_leds = { 
	}

};



static struct i2c_gpio_platform_data i2c_gpio_data = {

	.sda_pin	= GPIO_PIN_PA(6),

	.scl_pin	= GPIO_PIN_PA(7),

};



static struct platform_device i2c_gpio_device = {

	.name		= "i2c-gpio",

	.id		= 0,

	.dev		= {

		.platform_data	= &i2c_gpio_data,

	},

};



static int __init atngw100_init(void)

{

	unsigned	i;
@@ -147,6 +161,10 @@ static int __init atngw100_init(void) 
	}

	platform_device_register(&ngw_gpio_leds);



	at32_select_gpio(i2c_gpio_data.sda_pin, 0);

	at32_select_gpio(i2c_gpio_data.scl_pin, 0);

	platform_device_register(&i2c_gpio_device);



	return 0;

}

postcore_initcall(atngw100_init);

arch/avr32/boards/atstk1000/Kconfig

+26 −0
Original line number Diff line number Diff line
@@ -50,4 +50,30 @@ config BOARD_ATSTK1002_SPI1 
	  GPIO lines and accessed through the J1 jumper block.  Say "y"

	  here to configure that SPI controller.



config BOARD_ATSTK1002_J2_LED

	bool

	default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB



choice

	prompt "LEDs connected to J2:"

	depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM

	optional

	help

	  Select this if you have jumpered the J2 jumper block to the

	  LED0..LED7 amber leds, or to the RGB leds, using a ten-pin

	  IDC cable.  A default "heartbeat" trigger is provided, but

	  you can of course override this.



config BOARD_ATSTK1002_J2_LED8

	bool "LED0..LED7"

	help

	  Select this if J2 is jumpered to LED0..LED7 amber leds.



config BOARD_ATSTK1002_J2_RGB

	bool "RGB leds"

	help

	  Select this if J2 is jumpered to the RGB leds.



endchoice



endif	# stk 1002

arch/avr32/boards/atstk1000/atstk1002.c

+62 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/etherdevice.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/leds.h>

#include <linux/platform_device.h>

#include <linux/string.h>

#include <linux/types.h>
@@ -120,6 +121,65 @@ static void __init set_hw_addr(struct platform_device *pdev) 
	clk_put(pclk);

}



#ifdef CONFIG_BOARD_ATSTK1002_J2_LED



static struct gpio_led stk_j2_led[] = {

#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8

#define LEDSTRING "J2 jumpered to LED8"

	{ .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },

	{ .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },

	{ .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },

	{ .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },

	{ .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },

	{ .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },

	{ .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },

	{ .name = "led7:amber", .gpio = GPIO_PIN_PB(30),

			.default_trigger = "heartbeat", },

#else	/* RGB */

#define LEDSTRING "J2 jumpered to RGB LEDs"

	{ .name = "r1:red",     .gpio = GPIO_PIN_PB( 8), },

	{ .name = "g1:green",   .gpio = GPIO_PIN_PB(10), },

	{ .name = "b1:blue",    .gpio = GPIO_PIN_PB(14), },



	{ .name = "r2:red",     .gpio = GPIO_PIN_PB( 9),

			.default_trigger = "heartbeat", },

	{ .name = "g2:green",   .gpio = GPIO_PIN_PB(13), },

	{ .name = "b2:blue",    .gpio = GPIO_PIN_PB(15),

			.default_trigger = "heartbeat", },

	/* PB16, PB30 unused */

#endif

};



static struct gpio_led_platform_data stk_j2_led_data = {

	.num_leds	= ARRAY_SIZE(stk_j2_led),

	.leds		= stk_j2_led,

};



static struct platform_device stk_j2_led_dev = {

	.name		= "leds-gpio",

	.id		= 2,	/* gpio block J2 */

	.dev		= {

		.platform_data	= &stk_j2_led_data,

	},

};



static void setup_j2_leds(void)

{

	unsigned	i;



	for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++)

		at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT);



	printk("STK1002: " LEDSTRING "\n");

	platform_device_register(&stk_j2_led_dev);

}



#else

static void setup_j2_leds(void)

{

}

#endif



void __init setup_board(void)

{

#ifdef	CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
@@ -185,6 +245,8 @@ static int __init atstk1002_init(void) 
	at32_add_device_ssc(0, ATMEL_SSC_TX);

#endif



	setup_j2_leds();



	return 0;

}

postcore_initcall(atstk1002_init);

include/asm-avr32/io.h

+2 −0
Original line number Diff line number Diff line
@@ -255,6 +255,8 @@ static inline void memset_io(volatile void __iomem *addr, unsigned char val, 
	memset((void __force *)addr, val, count);

}



#define mmiowb()



#define IO_SPACE_LIMIT	0xffffffff



extern void __iomem *__ioremap(unsigned long offset, size_t size,

include/asm-avr32/pgalloc.h

+3 −27
Original line number Diff line number Diff line
@@ -27,13 +27,7 @@ static __inline__ void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 
 */

static __inline__ pgd_t *pgd_alloc(struct mm_struct *mm)

{

	unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t));

	pgd_t *pgd = kmalloc(pgd_size, GFP_KERNEL);



	if (pgd)

		memset(pgd, 0, pgd_size);



	return pgd;

	return kcalloc(USER_PTRS_PER_PGD, sizeof(pgd_t), GFP_KERNEL);

}



static inline void pgd_free(pgd_t *pgd)
@@ -44,18 +38,9 @@ static inline void pgd_free(pgd_t *pgd) 
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,

					  unsigned long address)

{

	int count = 0;

	pte_t *pte;



	do {

		pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT);

		if (pte)

			clear_page(pte);

		else {

			current->state = TASK_UNINTERRUPTIBLE;

			schedule_timeout(HZ);

		}

	} while (!pte && (count++ < 10));

	pte = (pte_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT);



	return pte;

}
@@ -63,18 +48,9 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, 
static inline struct page *pte_alloc_one(struct mm_struct *mm,

					 unsigned long address)

{

	int count = 0;

	struct page *pte;



	do {

		pte = alloc_pages(GFP_KERNEL, 0);

		if (pte)

			clear_page(page_address(pte));

		else {

			current->state = TASK_UNINTERRUPTIBLE;

			schedule_timeout(HZ);

		}

	} while (!pte && (count++ < 10));

	pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);



	return pte;

}