* [PATCH] mailbox: sun6i: Make use of the helper function devm_platform_ioremap_resource()
@ 2021-09-07 7:42 Cai Huoqing
2021-09-08 2:22 ` Samuel Holland
0 siblings, 1 reply; 2+ messages in thread
From: Cai Huoqing @ 2021-09-07 7:42 UTC (permalink / raw)
To: caihuoqing
Cc: Jassi Brar, Maxime Ripard, Chen-Yu Tsai, Jernej Skrabec,
linux-kernel, linux-arm-kernel, linux-sunxi
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
drivers/mailbox/sun6i-msgbox.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/mailbox/sun6i-msgbox.c b/drivers/mailbox/sun6i-msgbox.c
index ccecf2e5941d..7f8d931042d3 100644
--- a/drivers/mailbox/sun6i-msgbox.c
+++ b/drivers/mailbox/sun6i-msgbox.c
@@ -197,7 +197,6 @@ static int sun6i_msgbox_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mbox_chan *chans;
struct reset_control *reset;
- struct resource *res;
struct sun6i_msgbox *mbox;
int i, ret;
@@ -246,13 +245,7 @@ static int sun6i_msgbox_probe(struct platform_device *pdev)
goto err_disable_unprepare;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- ret = -ENODEV;
- goto err_disable_unprepare;
- }
-
- mbox->regs = devm_ioremap_resource(&pdev->dev, res);
+ mbox->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mbox->regs)) {
ret = PTR_ERR(mbox->regs);
dev_err(dev, "Failed to map MMIO resource: %d\n", ret);
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mailbox: sun6i: Make use of the helper function devm_platform_ioremap_resource()
2021-09-07 7:42 [PATCH] mailbox: sun6i: Make use of the helper function devm_platform_ioremap_resource() Cai Huoqing
@ 2021-09-08 2:22 ` Samuel Holland
0 siblings, 0 replies; 2+ messages in thread
From: Samuel Holland @ 2021-09-08 2:22 UTC (permalink / raw)
To: Cai Huoqing
Cc: Jassi Brar, Maxime Ripard, Chen-Yu Tsai, Jernej Skrabec,
linux-kernel, linux-arm-kernel, linux-sunxi
On 9/7/21 2:42 AM, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
>
> Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
> ---
> drivers/mailbox/sun6i-msgbox.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
Reviewed-by: Samuel Holland <samuel@sholland.org>
^ permalink raw reply [flat|nested] 2+ messages in thread
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