@@ -583,8 +583,24 @@ 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 (gpio_is_valid(host->board.rdy_pin))
+ if (gpio_is_valid(host->board.rdy_pin)) {
+ res = gpio_request(host->board.rdy_pin, "nand_rdy");
+ if (res) {
+ dev_err(&pdev->dev,
+ "can't request rdy gpio %d\n", host->board.rdy_pin);
+ goto err_ecc_ioremap;
+ }
nand_chip->dev_ready = atmel_nand_device_ready;
+ }
+
+ if (gpio_is_valid(host->board.enable_pin)) {
+ res = gpio_request(host->board.enable_pin, "nand_enable");
+ if (res) {
+ dev_err(&pdev->dev,
+ "can't request enable gpio %d\n", host->board.enable_pin);
+ goto err_ecc_ioremap;
+ }
+ }
nand_chip->ecc.mode = host->board.ecc_mode;
@@ -622,6 +638,13 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
atmel_nand_enable(host);
if (gpio_is_valid(host->board.det_pin)) {
+ res = gpio_request(host->board.det_pin, "nand_det");
+ if (res) {
+ dev_err(&pdev->dev,
+ "can't request det gpio %d\n", host->board.det_pin);
+ goto err_no_card;
+ }
+
if (gpio_get_value(host->board.det_pin)) {
printk(KERN_INFO "No SmartMedia card inserted.\n");
res = -ENXIO;
without this the gpio will not be muxed as a gpio by the current custom pinmux or later by the pinctrl Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> --- drivers/mtd/nand/atmel_nand.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)