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Commit a3f24c0d authored by Linus Walleij's avatar Linus Walleij Committed by Wolfram Sang
Browse files

i2c: stu300: use clk_prepare/unprepare 



Make sure we prepare/unprepare the clock for the ST U300
I2C driver as is required by the clk API especially if you
use common clock.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarWolfram Sang <w.sang@pengutronix.de>
parent a55b44ac

drivers/i2c/busses/i2c-stu300.c

+3 −1
Original line number Diff line number Diff line
@@ -924,7 +924,7 @@ stu300_probe(struct platform_device *pdev) 


	dev->speed = scl_frequency;



	clk_enable(dev->clk);

	clk_prepare_enable(dev->clk);

	ret = stu300_init_hw(dev);

	clk_disable(dev->clk);
@@ -960,6 +960,7 @@ stu300_probe(struct platform_device *pdev) 


 err_add_adapter:

 err_init_hw:

	clk_unprepare(dev->clk);

	free_irq(dev->irq, dev);

 err_no_irq:

	iounmap(dev->virtbase);
@@ -1016,6 +1017,7 @@ stu300_remove(struct platform_device *pdev) 
	free_irq(dev->irq, dev);

	iounmap(dev->virtbase);

	release_mem_region(dev->phybase, dev->physize);

	clk_unprepare(dev->clk);

	clk_put(dev->clk);

	platform_set_drvdata(pdev, NULL);

	kfree(dev);