From 50b02080c91a26fffe2997e20fb63728fb4c7f7f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eric=20B=C3=A9nard?= Date: Sat, 7 Dec 2013 10:36:54 +0100 Subject: [PATCH] atmel_nand: check gpio validity before using it MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit else we get : "invalid GPIO -22" (as enable_pin is EINVAL) tested on SAMA5D35 Signed-off-by: Eric Bénard Acked-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Sascha Hauer --- drivers/mtd/nand/atmel_nand.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index a0f0966b0..658ae528d 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -107,7 +107,7 @@ static struct nand_ecclayout atmel_pmecc_oobinfo; */ 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); } @@ -116,7 +116,7 @@ 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); }