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Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
  avr32: some mmc/sd cleanups
  include/video/atmel_lcdc.h must #include <linux/workqueue.h>
  avr32: allow system timer to share interrupt to make OProfile work
  drivers/misc/atmel-ssc.c: Removed duplicated include
  avr32: Add platform data for AC97C platform device
  avr32: clean up mci platform code
  fix avr32 build errors
This commit is contained in:
Linus Torvalds 2008-07-27 10:03:00 -07:00
commit 7a82323da3
8 changed files with 81 additions and 32 deletions
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19
arch/avr32/boards/atstk1000/atstk1002.c
View File

@ -21,6 +21,8 @@
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/atmel-mci.h>
#include <asm/arch/at32ap700x.h>
#include <asm/arch/board.h>
#include <asm/arch/init.h>
@ -260,6 +262,21 @@ void __init setup_board(void)
at32_setup_serial_console(0);
}
#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
/* MMC card detect requires MACB0 *NOT* be used */
#ifdef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
static struct mci_platform_data __initdata mci0_data = {
.detect_pin = GPIO_PIN_PC(14), /* gpio30/sdcd */
.wp_pin = GPIO_PIN_PC(15), /* gpio31/sdwp */
};
#define MCI_PDATA &mci0_data
#else
#define MCI_PDATA NULL
#endif /* SW6 for sd{cd,wp} routing */
#endif /* SW2 for MMC signal routing */
static int __init atstk1002_init(void)
{
/*
@ -309,7 +326,7 @@ static int __init atstk1002_init(void)
at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
#endif
#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
at32_add_device_mci(0, NULL);
at32_add_device_mci(0, MCI_PDATA);
#endif
#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
set_hw_addr(at32_add_device_eth(1, &eth_data[1]));

2
arch/avr32/boards/atstk1000/atstk1003.c
View File

@ -154,7 +154,7 @@ static int __init atstk1003_init(void)
at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
#endif
#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
at32_add_device_mci(0);
at32_add_device_mci(0, NULL);
#endif
at32_add_device_usba(0, NULL);
#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM

2
arch/avr32/boards/atstk1000/atstk1004.c
View File

@ -137,7 +137,7 @@ static int __init atstk1004_init(void)
at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
#endif
#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
at32_add_device_mci(0);
at32_add_device_mci(0, NULL);
#endif
at32_add_device_lcdc(0, &atstk1000_lcdc_data,
fbmem_start, fbmem_size, 0);

6
arch/avr32/kernel/time.c
View File

@ -43,6 +43,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evdev = dev_id;
if (unlikely(!(intc_get_pending(0) & 1)))
return IRQ_NONE;
/*
* Disable the interrupt until the clockevent subsystem
* reprograms it.
@ -55,7 +58,8 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
static struct irqaction timer_irqaction = {
.handler = timer_interrupt,
.flags = IRQF_TIMER | IRQF_DISABLED,
/* Oprofile uses the same irq as the timer, so allow it to be shared */
.flags = IRQF_TIMER | IRQF_DISABLED | IRQF_SHARED,
.name = "avr32_comparator",
};

56
arch/avr32/mach-at32ap/at32ap700x.c
View File

@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
@ -1285,7 +1286,6 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
struct mci_platform_data _data;
struct platform_device *pdev;
struct dw_dma_slave *dws;
if (id != 0)
return NULL;
@ -1300,7 +1300,9 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
if (!data) {
data = &_data;
memset(data, 0, sizeof(struct mci_platform_data));
memset(data, -1, sizeof(struct mci_platform_data));
data->detect_pin = GPIO_PIN_NONE;
data->wp_pin = GPIO_PIN_NONE;
}
if (platform_device_add_data(pdev, data,
@ -1314,12 +1316,10 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
if (data) {
if (data->detect_pin != GPIO_PIN_NONE)
at32_select_gpio(data->detect_pin, 0);
if (data->wp_pin != GPIO_PIN_NONE)
at32_select_gpio(data->wp_pin, 0);
}
if (gpio_is_valid(data->detect_pin))
at32_select_gpio(data->detect_pin, 0);
if (gpio_is_valid(data->wp_pin))
at32_select_gpio(data->wp_pin, 0);
atmel_mci0_pclk.dev = &pdev->dev;
@ -1853,11 +1853,11 @@ at32_add_device_cf(unsigned int id, unsigned int extint,
if (at32_init_ide_or_cf(pdev, data->cs, extint))
goto fail;
if (data->detect_pin != GPIO_PIN_NONE)
if (gpio_is_valid(data->detect_pin))
at32_select_gpio(data->detect_pin, AT32_GPIOF_DEGLITCH);
if (data->reset_pin != GPIO_PIN_NONE)
if (gpio_is_valid(data->reset_pin))
at32_select_gpio(data->reset_pin, 0);
if (data->vcc_pin != GPIO_PIN_NONE)
if (gpio_is_valid(data->vcc_pin))
at32_select_gpio(data->vcc_pin, 0);
/* READY is used as extint, so we can't select it as gpio */
@ -1937,9 +1937,11 @@ static struct clk atmel_ac97c0_pclk = {
.index = 10,
};
struct platform_device *__init at32_add_device_ac97c(unsigned int id)
struct platform_device *__init
at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
{
struct platform_device *pdev;
struct ac97c_platform_data _data;
if (id != 0)
return NULL;
@ -1950,19 +1952,37 @@ struct platform_device *__init at32_add_device_ac97c(unsigned int id)
if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
ARRAY_SIZE(atmel_ac97c0_resource)))
goto err_add_resources;
goto fail;
select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */
select_peripheral(PB(21), PERIPH_B, 0); /* SDO */
select_peripheral(PB(22), PERIPH_B, 0); /* SDI */
select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */
if (!data) {
data = &_data;
memset(data, 0, sizeof(struct ac97c_platform_data));
data->reset_pin = GPIO_PIN_NONE;
}
data->dma_rx_periph_id = 3;
data->dma_tx_periph_id = 4;
data->dma_controller_id = 0;
if (platform_device_add_data(pdev, data,
sizeof(struct ac97c_platform_data)))
goto fail;
select_peripheral(PB(20), PERIPH_B, 0); /* SDO */
select_peripheral(PB(21), PERIPH_B, 0); /* SYNC */
select_peripheral(PB(22), PERIPH_B, 0); /* SCLK */
select_peripheral(PB(23), PERIPH_B, 0); /* SDI */
/* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
if (data->reset_pin != GPIO_PIN_NONE)
at32_select_gpio(data->reset_pin, 0);
atmel_ac97c0_pclk.dev = &pdev->dev;
platform_device_add(pdev);
return pdev;
err_add_resources:
fail:
platform_device_put(pdev);
return NULL;
}

1
drivers/misc/atmel-ssc.c
View File

@ -13,7 +13,6 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/atmel-ssc.h>

17
drivers/mmc/host/atmel-mci.c
View File

@ -11,6 +11,8 @@
#include <linux/clk.h>
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
@ -27,7 +29,6 @@
#include <asm/unaligned.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include "atmel-mci-regs.h"
@ -573,7 +574,7 @@ static int atmci_get_ro(struct mmc_host *mmc)
int read_only = 0;
struct atmel_mci *host = mmc_priv(mmc);
if (host->wp_pin >= 0) {
if (gpio_is_valid(host->wp_pin)) {
read_only = gpio_get_value(host->wp_pin);
dev_dbg(&mmc->class_dev, "card is %s\n",
read_only ? "read-only" : "read-write");
@ -635,7 +636,7 @@ static void atmci_detect_change(unsigned long data)
* been freed.
*/
smp_rmb();
if (host->detect_pin < 0)
if (!gpio_is_valid(host->detect_pin))
return;
enable_irq(gpio_to_irq(host->detect_pin));
@ -1050,7 +1051,7 @@ static int __init atmci_probe(struct platform_device *pdev)
/* Assume card is present if we don't have a detect pin */
host->present = 1;
if (host->detect_pin >= 0) {
if (gpio_is_valid(host->detect_pin)) {
if (gpio_request(host->detect_pin, "mmc_detect")) {
dev_dbg(&mmc->class_dev, "no detect pin available\n");
host->detect_pin = -1;
@ -1058,7 +1059,7 @@ static int __init atmci_probe(struct platform_device *pdev)
host->present = !gpio_get_value(host->detect_pin);
}
}
if (host->wp_pin >= 0) {
if (gpio_is_valid(host->wp_pin)) {
if (gpio_request(host->wp_pin, "mmc_wp")) {
dev_dbg(&mmc->class_dev, "no WP pin available\n");
host->wp_pin = -1;
@ -1069,7 +1070,7 @@ static int __init atmci_probe(struct platform_device *pdev)
mmc_add_host(mmc);
if (host->detect_pin >= 0) {
if (gpio_is_valid(host->detect_pin)) {
setup_timer(&host->detect_timer, atmci_detect_change,
(unsigned long)host);
@ -1112,7 +1113,7 @@ static int __exit atmci_remove(struct platform_device *pdev)
if (host) {
/* Debugfs stuff is cleaned up by mmc core */
if (host->detect_pin >= 0) {
if (gpio_is_valid(host->detect_pin)) {
int pin = host->detect_pin;
/* Make sure the timer doesn't enable the interrupt */
@ -1132,7 +1133,7 @@ static int __exit atmci_remove(struct platform_device *pdev)
mci_readl(host, SR);
clk_disable(host->mck);
if (host->wp_pin >= 0)
if (gpio_is_valid(host->wp_pin))
gpio_free(host->wp_pin);
free_irq(platform_get_irq(pdev, 0), host->mmc);

10
include/asm-avr32/arch-at32ap/board.h
View File

@ -82,7 +82,15 @@ struct mci_platform_data;
struct platform_device *
at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
struct platform_device *at32_add_device_ac97c(unsigned int id);
struct ac97c_platform_data {
unsigned short dma_rx_periph_id;
unsigned short dma_tx_periph_id;
unsigned short dma_controller_id;
int reset_pin;
};
struct platform_device *
at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
struct platform_device *at32_add_device_abdac(unsigned int id);
struct platform_device *at32_add_device_psif(unsigned int id);