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Commit 2c911103 authored by Russell King's avatar Russell King Committed by Wolfram Sang
Browse files

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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Acked-by: default avatarMark A. Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 4c5c95f5

drivers/i2c/busses/i2c-mv64xxx.c

+10 −14
Original line number Diff line number Diff line
@@ -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);
@@ -650,7 +649,7 @@ mv64xxx_i2c_probe(struct platform_device *pd) 


exit_free_irq:

	free_irq(drv_data->irq, drv_data);

	exit_unmap_regs:

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;

}