blob: 364eaf8131c7bb3840d50efe88dc2b2960968e99 [file] [log] [blame]
From dd8de6b969acdbda36dbf4e3eec3e79163542daa Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa@the-dreams.de>
Date: Fri, 10 May 2013 10:16:54 +0200
Subject: drivers/i2c/busses: don't check resource with devm_ioremap_resource
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
(cherry picked from commit 3cc2d009bc210516c61536273b304c4f6ccd797c)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
drivers/i2c/busses/i2c-davinci.c | 8 +-------
drivers/i2c/busses/i2c-designware-platdrv.c | 8 +-------
drivers/i2c/busses/i2c-imx.c | 6 +-----
drivers/i2c/busses/i2c-omap.c | 8 +-------
drivers/i2c/busses/i2c-rcar.c | 7 +------
5 files changed, 5 insertions(+), 32 deletions(-)
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -644,13 +644,6 @@ static int davinci_i2c_probe(struct plat
struct resource *mem, *irq;
int r;
- /* NOTE: driver uses the static register mapping */
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "no mem resource?\n");
- return -ENODEV;
- }
-
irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq) {
dev_err(&pdev->dev, "no irq resource?\n");
@@ -695,6 +688,7 @@ static int davinci_i2c_probe(struct plat
return -ENODEV;
clk_prepare_enable(dev->clk);
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base)) {
r = PTR_ERR(dev->base);
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -87,13 +87,6 @@ static int dw_i2c_probe(struct platform_
struct resource *mem;
int irq, r;
- /* NOTE: driver uses the static register mapping */
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "no mem resource?\n");
- return -EINVAL;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
@@ -104,6 +97,7 @@ static int dw_i2c_probe(struct platform_
if (!dev)
return -ENOMEM;
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base))
return PTR_ERR(dev->base);
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -498,17 +498,13 @@ static int __init i2c_imx_probe(struct p
dev_dbg(&pdev->dev, "<%s>\n", __func__);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "can't get device resources\n");
- return -ENOENT;
- }
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "can't get irq number\n");
return -ENOENT;
}
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1087,13 +1087,6 @@ omap_i2c_probe(struct platform_device *p
u32 rev;
u16 minor, major, scheme;
- /* NOTE: driver uses the static register mapping */
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(&pdev->dev, "no mem resource?\n");
- return -ENODEV;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
@@ -1106,6 +1099,7 @@ omap_i2c_probe(struct platform_device *p
return -ENOMEM;
}
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base))
return PTR_ERR(dev->base);
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -665,12 +665,6 @@ static int rcar_i2c_probe(struct platfor
u32 bus_speed;
int ret;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "no mmio resources\n");
- return -ENODEV;
- }
-
priv = devm_kzalloc(dev, sizeof(struct rcar_i2c_priv), GFP_KERNEL);
if (!priv) {
dev_err(dev, "no mem for private data\n");
@@ -692,6 +686,7 @@ static int rcar_i2c_probe(struct platfor
if (ret < 0)
return ret;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->io = devm_ioremap_resource(dev, res);
if (IS_ERR(priv->io))
return PTR_ERR(priv->io);