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[ARM] 5198/1: PalmTX: PCMCIA fixes

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Fix GPIO handling in the PCMCIA driver.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Marek Vašut 2008-08-16 15:34:11 +01:00 committed by Russell King
parent 8b5942c391
commit 574047f96a
1 changed files with 47 additions and 2 deletions
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49
drivers/pcmcia/pxa2xx_palmtx.c
View file

@ -23,12 +23,57 @@
static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY);
int ret;
ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER1, "PCMCIA PWR1");
if (ret)
goto err1;
ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER1, 0);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_POWER2, "PCMCIA PWR2");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_POWER2, 0);
if (ret)
goto err3;
ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_RESET, "PCMCIA RST");
if (ret)
goto err3;
ret = gpio_direction_output(GPIO_NR_PALMTX_PCMCIA_RESET, 1);
if (ret)
goto err4;
ret = gpio_request(GPIO_NR_PALMTX_PCMCIA_READY, "PCMCIA RDY");
if (ret)
goto err4;
ret = gpio_direction_input(GPIO_NR_PALMTX_PCMCIA_READY);
if (ret)
goto err5;
skt->irq = gpio_to_irq(GPIO_NR_PALMTX_PCMCIA_READY);
return 0;
err5:
gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
err4:
gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
err3:
gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
err2:
gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
err1:
return ret;
}
static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free(GPIO_NR_PALMTX_PCMCIA_READY);
gpio_free(GPIO_NR_PALMTX_PCMCIA_RESET);
gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER2);
gpio_free(GPIO_NR_PALMTX_PCMCIA_POWER1);
}
static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
@ -109,7 +154,7 @@ static void __exit palmtx_pcmcia_exit(void)
platform_device_unregister(palmtx_pcmcia_device);
}
fs_initcall(palmtx_pcmcia_init);
module_init(palmtx_pcmcia_init);
module_exit(palmtx_pcmcia_exit);
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");