mtd: nand: gpmi: adopt pinctrl support

Cc: linux-mtd@lists.infradead.org
Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 9ec51cec2e14..8478fd9701a3 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/mtd/gpmi-nand.h>
 #include <linux/mtd/partitions.h>
+#include <linux/pinctrl/consumer.h>
 #include "gpmi-nand.h"
 
 /* add our owner bbt descriptor */
@@ -476,6 +477,7 @@ acquire_err:
 static int __devinit acquire_resources(struct gpmi_nand_data *this)
 {
         struct resources *res = &this->resources;
+        struct pinctrl *pinctrl;
         int ret;
 
         ret = acquire_register_block(this, GPMI_NAND_GPMI_REGS_ADDR_RES_NAME);
@@ -494,6 +496,12 @@ static int __devinit acquire_resources(struct gpmi_nand_data *this)
         if (ret)
                 goto exit_dma_channels;
 
+        pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+        if (IS_ERR(pinctrl)) {
+                ret = PTR_ERR(pinctrl);
+                goto exit_pin;
+        }
+
         res->clock = clk_get(&this->pdev->dev, NULL);
         if (IS_ERR(res->clock)) {
                 pr_err("can not get the clock\n");
@@ -503,6 +511,7 @@ static int __devinit acquire_resources(struct gpmi_nand_data *this)
         return 0;
 
 exit_clock:
+exit_pin:
         release_dma_channels(this);
 exit_dma_channels:
         release_bch_irq(this);