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Date: Fri, 10 May 2013 10:16:54 +0200
From: Wolfram Sang <wsa@...-dreams.de>
To: linux-kernel@...r.kernel.org
Cc: Wolfram Sang <wsa@...-dreams.de>, Sekhar Nori <nsekhar@...com>,
Kevin Hilman <khilman@...prootsystems.com>,
Tony Lindgren <tony@...mide.com>,
Ben Dooks <ben-linux@...ff.org>,
Kukjin Kim <kgene.kim@...sung.com>,
Barry Song <baohua.song@....com>,
Stephen Warren <swarren@...dotorg.org>,
davinci-linux-open-source@...ux.davincidsp.com,
linux-i2c@...r.kernel.org, linux-omap@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [RFC 09/42] 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@...-dreams.de>
---
drivers/i2c/busses/i2c-davinci.c | 6 +-----
drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-----
drivers/i2c/busses/i2c-imx.c | 6 +-----
drivers/i2c/busses/i2c-omap.c | 6 +-----
drivers/i2c/busses/i2c-rcar.c | 7 +------
drivers/i2c/busses/i2c-s3c2410.c | 5 -----
drivers/i2c/busses/i2c-sirf.c | 6 ------
drivers/i2c/busses/i2c-tegra.c | 5 -----
8 files changed, 5 insertions(+), 42 deletions(-)
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index cf20e06..2ed3e7b 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -647,11 +647,6 @@ static int davinci_i2c_probe(struct platform_device *pdev)
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) {
@@ -697,6 +692,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
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);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 8ec9133..6f3c612 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -87,11 +87,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
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) {
@@ -103,6 +98,7 @@ static int dw_i2c_probe(struct platform_device *pdev)
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);
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 82f20c6..b274ca1 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -500,17 +500,13 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
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);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index e02f9e3..8498ab7 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1085,11 +1085,6 @@ omap_i2c_probe(struct platform_device *pdev)
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) {
@@ -1103,6 +1098,7 @@ omap_i2c_probe(struct platform_device *pdev)
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);
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 4ba4a95..0fc5858 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -623,12 +623,6 @@ static int rcar_i2c_probe(struct platform_device *pdev)
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");
@@ -642,6 +636,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
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);
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 6e8ee92..cab1c91 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1082,11 +1082,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
/* map the registers */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "cannot find IO resource\n");
- return -ENOENT;
- }
-
i2c->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(i2c->regs))
diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
index 5a7ad24..a63c7d5 100644
--- a/drivers/i2c/busses/i2c-sirf.c
+++ b/drivers/i2c/busses/i2c-sirf.c
@@ -303,12 +303,6 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
adap->class = I2C_CLASS_HWMON;
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (mem_res == NULL) {
- dev_err(&pdev->dev, "Unable to get MEM resource\n");
- err = -EINVAL;
- goto out;
- }
-
siic->base = devm_ioremap_resource(&pdev->dev, mem_res);
if (IS_ERR(siic->base)) {
err = PTR_ERR(siic->base);
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index b60ff90..9aa1b60 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -714,11 +714,6 @@ static int tegra_i2c_probe(struct platform_device *pdev)
int ret = 0;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "no mem resource\n");
- return -EINVAL;
- }
-
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
--
1.7.10.4
--
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