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SubjectRe: [PATCH 4/7] i2c: s3c2410: Convert to use devm_ioremap()
From
Hi Tushar,

On 23 November 2012 11:29, Tushar Behera <tushar.behera@linaro.org> wrote:
> Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
> ---
> drivers/i2c/busses/i2c-s3c2410.c | 13 ++++---------
> 1 files changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
> index a274ef7..3446af2 100644
> --- a/drivers/i2c/busses/i2c-s3c2410.c
> +++ b/drivers/i2c/busses/i2c-s3c2410.c
> @@ -996,7 +996,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
> goto err_clk;
> }
>
> - i2c->regs = ioremap(res->start, resource_size(res));
> + i2c->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
>

request_mem_region and ioremap and be replaced using a single
devm_request_and_ioremap() call.

Also you may squash patches 2-5 into single convert to devm_* functions patch.


> if (i2c->regs == NULL) {
> dev_err(&pdev->dev, "cannot map IO\n");
> @@ -1016,7 +1016,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
>
> ret = s3c24xx_i2c_init(i2c);
> if (ret != 0)
> - goto err_iomap;
> + goto err_clk;
>
> /* find the IRQ for this unit (note, this relies on the init call to
> * ensure no current IRQs pending
> @@ -1025,7 +1025,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
> i2c->irq = ret = platform_get_irq(pdev, 0);
> if (ret <= 0) {
> dev_err(&pdev->dev, "cannot find IRQ\n");
> - goto err_iomap;
> + goto err_clk;
> }
>
> ret = request_irq(i2c->irq, s3c24xx_i2c_irq, 0,
> @@ -1033,7 +1033,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
>
> if (ret != 0) {
> dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
> - goto err_iomap;
> + goto err_clk;
> }
>
> ret = s3c24xx_i2c_register_cpufreq(i2c);
> @@ -1073,9 +1073,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
> err_irq:
> free_irq(i2c->irq, i2c);
>
> - err_iomap:
> - iounmap(i2c->regs);
> -
> err_clk:
> clk_disable_unprepare(i2c->clk);
> return ret;
> @@ -1100,8 +1097,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
>
> clk_disable_unprepare(i2c->clk);
>
> - iounmap(i2c->regs);
> -
> s3c24xx_i2c_dt_gpio_free(i2c);
>
> return 0;
> --
> 1.7.4.1
>
> --
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--
With warm regards,
Sachin


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