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arm: omap2plus: GPIO cleanup

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use gpio_request_<one|array>() instead of multiple gpiolib calls,
remove unneeded variables, etc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Igor Grinberg
2011-05-03 18:22:09 +03:00
committed by Tony Lindgren
parent 9e18630b68
commit bc593f5d78
27 changed files with 395 additions and 698 deletions
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7
arch/arm/mach-omap2/gpmc-smsc911x.c
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@@ -63,23 +63,22 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
gpmc_smsc911x_resources[0].start = cs_mem_base + 0x0;
gpmc_smsc911x_resources[0].end = cs_mem_base + 0xff;
if (gpio_request(gpmc_cfg->gpio_irq, "smsc911x irq") < 0) {
if (gpio_request_one(gpmc_cfg->gpio_irq, GPIOF_IN, "smsc911x irq")) {
pr_err("Failed to request IRQ GPIO%d\n", gpmc_cfg->gpio_irq);
goto free1;
}
gpio_direction_input(gpmc_cfg->gpio_irq);
gpmc_smsc911x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
if (gpio_is_valid(gpmc_cfg->gpio_reset)) {
ret = gpio_request(gpmc_cfg->gpio_reset, "smsc911x reset");
ret = gpio_request_one(gpmc_cfg->gpio_reset,
GPIOF_OUT_INIT_HIGH, "smsc911x reset");
if (ret) {
pr_err("Failed to request reset GPIO%d\n",
gpmc_cfg->gpio_reset);
goto free2;
}
gpio_direction_output(gpmc_cfg->gpio_reset, 1);
gpio_set_value(gpmc_cfg->gpio_reset, 0);
msleep(100);
gpio_set_value(gpmc_cfg->gpio_reset, 1);