mtd: mpc5121_nfc: drop devm_free_irq of devm_ allocated irq

The devm_request_irq function allocates irq that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_free_irq in probe or remove functions.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index 439bc38..d744cf7 100644 (file)
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -786,7 +786,6 @@ static int mpc5121_nfc_probe(struct platform_device *op)
        /* Detect NAND chips */
        if (nand_scan(mtd, be32_to_cpup(chips_no))) {
                dev_err(dev, "NAND Flash not found !\n");
-               devm_free_irq(dev, prv->irq, mtd);
                retval = -ENXIO;
                goto error;
        }
@@ -811,7 +810,6 @@ static int mpc5121_nfc_probe(struct platform_device *op)
 
        default:
                dev_err(dev, "Unsupported NAND flash!\n");
-               devm_free_irq(dev, prv->irq, mtd);
                retval = -ENXIO;
                goto error;
        }
@@ -822,7 +820,6 @@ static int mpc5121_nfc_probe(struct platform_device *op)
        retval = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0);
        if (retval) {
                dev_err(dev, "Error adding MTD device!\n");
-               devm_free_irq(dev, prv->irq, mtd);
                goto error;
        }
 
@@ -836,11 +833,8 @@ static int mpc5121_nfc_remove(struct platform_device *op)
 {
        struct device *dev = &op->dev;
        struct mtd_info *mtd = dev_get_drvdata(dev);
-       struct nand_chip *chip = mtd->priv;
-       struct mpc5121_nfc_prv *prv = chip->priv;
 
        nand_release(mtd);
-       devm_free_irq(dev, prv->irq, mtd);
        mpc5121_nfc_free(dev, mtd);
 
        return 0;