Thread (15 messages) 15 messages, 5 authors, 2020-01-13

Re: [PATCH 10/10] soc: qcom: convert to devm_platform_ioremap_resource

From: Marc Zyngier <maz@kernel.org>
Date: 2019-12-15 10:48:37
Also in: linux-amlogic, linux-arm-kernel, linux-arm-msm, linux-mediatek, linux-mips, linux-samsung-soc, lkml

On Sat, 14 Dec 2019 17:54:47 +0000
Yangtao Li [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 drivers/soc/qcom/llcc-qcom.c    | 7 +------
 drivers/soc/qcom/qcom-geni-se.c | 4 +---
 drivers/soc/qcom/qcom_aoss.c    | 4 +---
 drivers/soc/qcom/qcom_gsbi.c    | 5 +----
 drivers/soc/qcom/spm.c          | 4 +---
 5 files changed, 5 insertions(+), 19 deletions(-)
diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 429b5a60a1ba..99e19df76889 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -387,7 +387,6 @@ static int qcom_llcc_remove(struct platform_device *pdev)
 static struct regmap *qcom_llcc_init_mmio(struct platform_device *pdev,
 		const char *name)
 {
-	struct resource *res;
 	void __iomem *base;
 	struct regmap_config llcc_regmap_config = {
 		.reg_bits = 32,
@@ -396,11 +395,7 @@ static struct regmap *qcom_llcc_init_mmio(struct platform_device *pdev,
 		.fast_io = true,
 	};
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
-	if (!res)
-		return ERR_PTR(-ENODEV);
-
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
What guarantees do you have that entry 0 matches name?

I find these changes pointless: they don't add much to the readability
or maintainability of the code, and instead introduce creative bugs.

	M.
-- 
Jazz is not dead. It just smells funny...
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