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Subject[PATCH v1] i2c: busses: convert to devm_platform_get_and_ioremap_resource
Date
use devm_platform_get_and_ioremap_resource() to simplify code, which
contains platform_get_resource() and devm_ioremap_resource(), it also
get the resource for use by the following code.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
drivers/i2c/busses/i2c-cadence.c | 3 +--
drivers/i2c/busses/i2c-pca-platform.c | 3 +--
drivers/i2c/busses/i2c-rcar.c | 4 +---
drivers/i2c/busses/i2c-stm32f7.c | 3 +--
4 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index 89d58f7d2a25..803c802611eb 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -906,8 +906,7 @@ static int cdns_i2c_probe(struct platform_device *pdev)
id->quirks = data->quirks;
}

- r_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- id->membase = devm_ioremap_resource(&pdev->dev, r_mem);
+ id->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &r_mem);
if (IS_ERR(id->membase))
return PTR_ERR(id->membase);

diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c
index 635dd697ac0b..546426a470cc 100644
--- a/drivers/i2c/busses/i2c-pca-platform.c
+++ b/drivers/i2c/busses/i2c-pca-platform.c
@@ -149,8 +149,7 @@ static int i2c_pca_pf_probe(struct platform_device *pdev)
if (!i2c)
return -ENOMEM;

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- i2c->reg_base = devm_ioremap_resource(&pdev->dev, res);
+ i2c->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(i2c->reg_base))
return PTR_ERR(i2c->reg_base);

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 3b5397aa4ca6..a45c4bf1ec01 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -938,9 +938,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
return PTR_ERR(priv->clk);
}

- priv->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- priv->io = devm_ioremap_resource(dev, priv->res);
+ priv->io = devm_platform_get_and_ioremap_resource(pdev, 0, &priv->res);
if (IS_ERR(priv->io))
return PTR_ERR(priv->io);

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 330ffed011e0..cf48f8df4423 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1940,8 +1940,7 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
if (!i2c_dev)
return -ENOMEM;

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- i2c_dev->base = devm_ioremap_resource(&pdev->dev, res);
+ i2c_dev->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(i2c_dev->base))
return PTR_ERR(i2c_dev->base);
phy_addr = (dma_addr_t)res->start;
--
2.25.0
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