ARM: at92/nand: use gpio_is_valid to check the gpio

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 55da20ccc7a8996f0d80be785b91452e35dd8225..e20ac1fb1e7ce65312ccb9f6f0fa20f72231a0ff 100644 (file)
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -113,7 +113,7 @@ static int cpu_has_dma(void)
  */
 static void atmel_nand_enable(struct atmel_nand_host *host)
 {
-       if (host->board->enable_pin)
+       if (gpio_is_valid(host->board->enable_pin))
                gpio_set_value(host->board->enable_pin, 0);
 }
 
@@ -122,7 +122,7 @@ static void atmel_nand_enable(struct atmel_nand_host *host)
  */
 static void atmel_nand_disable(struct atmel_nand_host *host)
 {
-       if (host->board->enable_pin)
+       if (gpio_is_valid(host->board->enable_pin))
                gpio_set_value(host->board->enable_pin, 1);
 }
 
@@ -535,7 +535,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
        nand_chip->IO_ADDR_W = host->io_base;
        nand_chip->cmd_ctrl = atmel_nand_cmd_ctrl;
 
-       if (host->board->rdy_pin)
+       if (gpio_is_valid(host->board->rdy_pin))
                nand_chip->dev_ready = atmel_nand_device_ready;
 
        regs = platform_get_resource(pdev, IORESOURCE_MEM, 1);
@@ -573,7 +573,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, host);
        atmel_nand_enable(host);
 
-       if (host->board->det_pin) {
+       if (gpio_is_valid(host->board->det_pin)) {
                if (gpio_get_value(host->board->det_pin)) {
                        printk(KERN_INFO "No SmartMedia card inserted.\n");
                        res = -ENXIO;