lkml.org 
[lkml]   [2019]   [May]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/3] clk: sprd: Switch from of_iomap() to devm_ioremap_resource()
Date
devm_ioremap_resources() automatically requests resources and devm_ wrappers
do better error handling and unmapping of the I/O region when needed,
that would make drivers more clean and simple.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
---
drivers/clk/sprd/common.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c
index e038b0447206..9ce690999eaa 100644
--- a/drivers/clk/sprd/common.c
+++ b/drivers/clk/sprd/common.c
@@ -42,6 +42,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
void __iomem *base;
struct device_node *node = pdev->dev.of_node;
struct regmap *regmap;
+ struct resource *res;

if (of_find_property(node, "sprd,syscon", NULL)) {
regmap = syscon_regmap_lookup_by_phandle(node, "sprd,syscon");
@@ -50,7 +51,11 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
return PTR_ERR(regmap);
}
} else {
- base = of_iomap(node, 0);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
regmap = devm_regmap_init_mmio(&pdev->dev, base,
&sprdclk_regmap_config);
if (IS_ERR_OR_NULL(regmap)) {
--
2.17.1
\
 
 \ /
  Last update: 2019-05-22 03:17    [W:0.147 / U:2.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site