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Subject[PATCH v2 03/19] power: reset: xgene-reboot: Use devm_platform_ioremap_resource() helper
Date
Use device life-cycle managed ioremap function to simplify probe and
exit paths.

While here add __iomem to the returned pointer to fix a sparse warning.

Signed-off-by: Andrew Davis <afd@ti.com>
---
drivers/power/reset/xgene-reboot.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/power/reset/xgene-reboot.c b/drivers/power/reset/xgene-reboot.c
index c2e5a99940d37..6b545a83d8889 100644
--- a/drivers/power/reset/xgene-reboot.c
+++ b/drivers/power/reset/xgene-reboot.c
@@ -22,7 +22,7 @@

struct xgene_reboot_context {
struct device *dev;
- void *csr;
+ void __iomem *csr;
u32 mask;
struct notifier_block restart_handler;
};
@@ -54,7 +54,7 @@ static int xgene_reboot_probe(struct platform_device *pdev)
if (!ctx)
return -ENOMEM;

- ctx->csr = of_iomap(dev->of_node, 0);
+ ctx->csr = devm_platform_ioremap_resource(pdev, 0);
if (!ctx->csr) {
dev_err(dev, "can not map resource\n");
return -ENODEV;
@@ -67,10 +67,8 @@ static int xgene_reboot_probe(struct platform_device *pdev)
ctx->restart_handler.notifier_call = xgene_restart_handler;
ctx->restart_handler.priority = 128;
err = register_restart_handler(&ctx->restart_handler);
- if (err) {
- iounmap(ctx->csr);
+ if (err)
dev_err(dev, "cannot register restart handler (err=%d)\n", err);
- }

return err;
}
--
2.39.2

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