[PATCH v1] i2c: busses: convert to devm_platform_get_and_ioremap_resource

[Dejin Zheng]

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@xxxxxxxxx>
---
 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