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path: root/drivers/mtd/nand/raw
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Diffstat (limited to 'drivers/mtd/nand/raw')
-rw-r--r--drivers/mtd/nand/raw/vf610_nfc.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/mtd/nand/raw/vf610_nfc.c b/drivers/mtd/nand/raw/vf610_nfc.c
index 039a44c054a4..3f783b8f76c9 100644
--- a/drivers/mtd/nand/raw/vf610_nfc.c
+++ b/drivers/mtd/nand/raw/vf610_nfc.c
@@ -834,21 +834,15 @@ static int vf610_nfc_probe(struct platform_device *pdev)
if (IS_ERR(nfc->regs))
return PTR_ERR(nfc->regs);
- nfc->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(nfc->clk))
+ nfc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
+ if (IS_ERR(nfc->clk)) {
+ dev_err(nfc->dev, "Unable to get and enable clock!\n");
return PTR_ERR(nfc->clk);
-
- err = clk_prepare_enable(nfc->clk);
- if (err) {
- dev_err(nfc->dev, "Unable to enable clock!\n");
- return err;
}
of_id = of_match_device(vf610_nfc_dt_ids, &pdev->dev);
- if (!of_id) {
- err = -ENODEV;
- goto err_disable_clk;
- }
+ if (!of_id)
+ return -ENODEV;
nfc->variant = (uintptr_t)of_id->data;
@@ -858,9 +852,8 @@ static int vf610_nfc_probe(struct platform_device *pdev)
if (nand_get_flash_node(chip)) {
dev_err(nfc->dev,
"Only one NAND chip supported!\n");
- err = -EINVAL;
of_node_put(child);
- goto err_disable_clk;
+ return -EINVAL;
}
nand_set_flash_node(chip, child);
@@ -869,8 +862,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
if (!nand_get_flash_node(chip)) {
dev_err(nfc->dev, "NAND chip sub-node missing!\n");
- err = -ENODEV;
- goto err_disable_clk;
+ return -ENODEV;
}
chip->options |= NAND_NO_SUBPAGE_WRITE;
@@ -880,7 +872,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
err = devm_request_irq(nfc->dev, irq, vf610_nfc_irq, 0, DRV_NAME, nfc);
if (err) {
dev_err(nfc->dev, "Error requesting IRQ!\n");
- goto err_disable_clk;
+ return err;
}
vf610_nfc_preinit_controller(nfc);
@@ -892,7 +884,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
/* Scan the NAND chip */
err = nand_scan(chip, 1);
if (err)
- goto err_disable_clk;
+ return err;
platform_set_drvdata(pdev, nfc);
@@ -904,8 +896,6 @@ static int vf610_nfc_probe(struct platform_device *pdev)
err_cleanup_nand:
nand_cleanup(chip);
-err_disable_clk:
- clk_disable_unprepare(nfc->clk);
return err;
}
@@ -918,7 +908,6 @@ static void vf610_nfc_remove(struct platform_device *pdev)
ret = mtd_device_unregister(nand_to_mtd(chip));
WARN_ON(ret);
nand_cleanup(chip);
- clk_disable_unprepare(nfc->clk);
}
#ifdef CONFIG_PM_SLEEP