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I2C: mv64xxx: use devm_kzalloc() 

As we're changing to using devm_* APIs to fix various problems
in this driver, lets also do devm_kzalloc() while we're here too.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Russell King 2013-05-16 21:35:10 +01:00 committed by Wolfram Sang
parent 4c5c95f53b
commit 2c91110304
1 changed files with 10 additions and 14 deletions
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24
drivers/i2c/busses/i2c-mv64xxx.c
View File

@ -580,16 +580,15 @@ mv64xxx_i2c_probe(struct platform_device *pd)
if ((!pdata && !pd->dev.of_node))
return -ENODEV;
drv_data = kzalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL);
drv_data = devm_kzalloc(&pd->dev, sizeof(struct mv64xxx_i2c_data),
GFP_KERNEL);
if (!drv_data)
return -ENOMEM;
r = platform_get_resource(pd, IORESOURCE_MEM, 0);
drv_data->reg_base = devm_ioremap_resource(&pd->dev, r);
if (IS_ERR(drv_data->reg_base)) {
rc = PTR_ERR(drv_data->reg_base);
goto exit_kfree;
}
if (IS_ERR(drv_data->reg_base))
return PTR_ERR(drv_data->reg_base);
strlcpy(drv_data->adapter.name, MV64XXX_I2C_CTLR_NAME " adapter",
sizeof(drv_data->adapter.name));
@ -613,11 +612,11 @@ mv64xxx_i2c_probe(struct platform_device *pd)
} else if (pd->dev.of_node) {
rc = mv64xxx_of_config(drv_data, pd->dev.of_node);
if (rc)
goto exit_unmap_regs;
goto exit_clk;
}
if (drv_data->irq < 0) {
rc = -ENXIO;
goto exit_unmap_regs;
goto exit_clk;
}
drv_data->adapter.dev.parent = &pd->dev;
@ -637,7 +636,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
"mv64xxx: Can't register intr handler irq: %d\n",
drv_data->irq);
rc = -EINVAL;
goto exit_unmap_regs;
goto exit_clk;
} else if ((rc = i2c_add_numbered_adapter(&drv_data->adapter)) != 0) {
dev_err(&drv_data->adapter.dev,
"mv64xxx: Can't add i2c adapter, rc: %d\n", -rc);
@ -648,9 +647,9 @@ mv64xxx_i2c_probe(struct platform_device *pd)
return 0;
exit_free_irq:
free_irq(drv_data->irq, drv_data);
exit_unmap_regs:
exit_free_irq:
free_irq(drv_data->irq, drv_data);
exit_clk:
#if defined(CONFIG_HAVE_CLK)
/* Not all platforms have a clk */
if (!IS_ERR(drv_data->clk)) {
@ -658,8 +657,6 @@ mv64xxx_i2c_probe(struct platform_device *pd)
clk_unprepare(drv_data->clk);
}
#endif
exit_kfree:
kfree(drv_data);
return rc;
}
@ -677,7 +674,6 @@ mv64xxx_i2c_remove(struct platform_device *dev)
clk_unprepare(drv_data->clk);
}
#endif
kfree(drv_data);
return 0;
}