| Message ID | 1368173847-5661-10-git-send-email-wsa@the-dreams.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Friday, May 10, 2013 5:17 PM, Wolfram Sang wrote: > > 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> > --- > 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 ----- For drivers/i2c/busses/i2c-s3c2410.c Reviewed-by: Jingoo Han <jg1.han@samsung.com> Best regards, Jingoo Han > 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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Wolfram Sang <wsa@the-dreams.de> writes: > 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> Acked-by: Kevin Hilman <khilman@linaro.org> # for i2c-omap.c -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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);
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> --- 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(-)