diff options
author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2014-05-02 21:15:11 +0200 |
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committer | Wolfram Sang <wsa@the-dreams.de> | 2014-05-22 10:09:23 +0200 |
commit | 4fd31c2eb7bf19927524bca1c5c17e6bb0f4f6eb (patch) | |
tree | ce60977168cd69aebc2c9c2e69c60e82df96aa19 /drivers/i2c/busses/i2c-sh_mobile.c | |
parent | 5aacb66656121ba8c917a905e0eef192c0b22212 (diff) | |
download | blackbird-obmc-linux-4fd31c2eb7bf19927524bca1c5c17e6bb0f4f6eb.tar.gz blackbird-obmc-linux-4fd31c2eb7bf19927524bca1c5c17e6bb0f4f6eb.zip |
i2c: sh_mobile: devm conversion, low hanging fruits
Convert the easy parts to devm. irqs will be converted in a seperate
patch to keep diffs readable.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-sh_mobile.c')
-rw-r--r-- | drivers/i2c/busses/i2c-sh_mobile.c | 41 |
1 files changed, 10 insertions, 31 deletions
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 2e481abd50ce..c47d11493b97 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -655,45 +655,33 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) struct sh_mobile_i2c_data *pd; struct i2c_adapter *adap; struct resource *res; - int size; int ret; u32 bus_speed; - pd = kzalloc(sizeof(struct sh_mobile_i2c_data), GFP_KERNEL); - if (pd == NULL) { - dev_err(&dev->dev, "cannot allocate private data\n"); + pd = devm_kzalloc(&dev->dev, sizeof(struct sh_mobile_i2c_data), GFP_KERNEL); + if (!pd) return -ENOMEM; - } - pd->clk = clk_get(&dev->dev, NULL); + pd->clk = devm_clk_get(&dev->dev, NULL); if (IS_ERR(pd->clk)) { dev_err(&dev->dev, "cannot get clock\n"); - ret = PTR_ERR(pd->clk); - goto err; + return PTR_ERR(pd->clk); } ret = sh_mobile_i2c_hook_irqs(dev, 1); if (ret) { dev_err(&dev->dev, "cannot request IRQ\n"); - goto err_clk; + return ret; } pd->dev = &dev->dev; platform_set_drvdata(dev, pd); res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&dev->dev, "cannot find IO resource\n"); - ret = -ENOENT; - goto err_irq; - } - size = resource_size(res); - - pd->reg = ioremap(res->start, size); - if (pd->reg == NULL) { - dev_err(&dev->dev, "cannot map IO\n"); - ret = -ENXIO; + pd->reg = devm_ioremap_resource(&dev->dev, res); + if (IS_ERR(pd->reg)) { + ret = PTR_ERR(pd->reg); goto err_irq; } @@ -710,7 +698,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) /* The IIC blocks on SH-Mobile ARM processors * come with two new bits in ICIC. */ - if (size > 0x17) + if (resource_size(res) > 0x17) pd->flags |= IIC_FLAG_HAS_ICIC67; sh_mobile_i2c_init(pd); @@ -747,7 +735,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) ret = i2c_add_numbered_adapter(adap); if (ret < 0) { dev_err(&dev->dev, "cannot add numbered adapter\n"); - goto err_all; + goto err_irq; } dev_info(&dev->dev, @@ -756,14 +744,8 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) return 0; - err_all: - iounmap(pd->reg); err_irq: sh_mobile_i2c_hook_irqs(dev, 0); - err_clk: - clk_put(pd->clk); - err: - kfree(pd); return ret; } @@ -772,11 +754,8 @@ static int sh_mobile_i2c_remove(struct platform_device *dev) struct sh_mobile_i2c_data *pd = platform_get_drvdata(dev); i2c_del_adapter(&pd->adap); - iounmap(pd->reg); sh_mobile_i2c_hook_irqs(dev, 0); - clk_put(pd->clk); pm_runtime_disable(&dev->dev); - kfree(pd); return 0; } |