[PATCH] mailbox: hi6220: Make use of the helper function devm_platform_ioremap_resource()

From: Cai Huoqing
Date: Tue Sep 07 2021 - 03:41:32 EST


Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
drivers/mailbox/hi6220-mailbox.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mailbox/hi6220-mailbox.c b/drivers/mailbox/hi6220-mailbox.c
index 560cd09538b1..fca61f5312d9 100644
--- a/drivers/mailbox/hi6220-mailbox.c
+++ b/drivers/mailbox/hi6220-mailbox.c
@@ -264,7 +264,6 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
struct device_node *node = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct hi6220_mbox *mbox;
- struct resource *res;
int i, err;

mbox = devm_kzalloc(dev, sizeof(*mbox), GFP_KERNEL);
@@ -287,15 +286,13 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
if (mbox->irq < 0)
return mbox->irq;

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mbox->ipc = devm_ioremap_resource(dev, res);
+ mbox->ipc = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mbox->ipc)) {
dev_err(dev, "ioremap ipc failed\n");
return PTR_ERR(mbox->ipc);
}

- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- mbox->base = devm_ioremap_resource(dev, res);
+ mbox->base = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(mbox->base)) {
dev_err(dev, "ioremap buffer failed\n");
return PTR_ERR(mbox->base);
--
2.25.1