On 9 May 2014 18:46, Balaji T K <balajitk@xxxxxx> wrote:
> With devm_clk_get conversion clk_put can be removed in clean up path
>
> Signed-off-by: Balaji T K <balajitk@xxxxxx>
> ---
> drivers/mmc/host/omap_hsmmc.c | 15 ++++-----------
> 1 files changed, 4 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index b4de63b..b8ae7ee 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -1922,7 +1922,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
>
> spin_lock_init(&host->irq_lock);
>
> - host->fclk = clk_get(&pdev->dev, "fck");
> + host->fclk = devm_clk_get(&pdev->dev, "fck");
> if (IS_ERR(host->fclk)) {
> ret = PTR_ERR(host->fclk);
> host->fclk = NULL;
> @@ -1941,7 +1941,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
>
> omap_hsmmc_context_save(host);
>
> - host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
> + host->dbclk = devm_clk_get(&pdev->dev, "mmchsdb_fck");
> /*
> * MMC can still work without debounce clock.
> */
> @@ -1949,7 +1949,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
> host->dbclk = NULL;
> } else if (clk_prepare_enable(host->dbclk) != 0) {
> dev_warn(mmc_dev(host->mmc), "Failed to enable debounce clk\n");
> - clk_put(host->dbclk);
> host->dbclk = NULL;
You should use the IS_ERR macro, no need to reset dbclk to NULL.
> }
>
> @@ -2105,11 +2104,8 @@ err_irq:
> dma_release_channel(host->rx_chan);
> pm_runtime_put_sync(host->dev);
> pm_runtime_disable(host->dev);
> - clk_put(host->fclk);
> - if (host->dbclk) {
> + if (host->dbclk)
Use IS_ERR instead.
> clk_disable_unprepare(host->dbclk);
> - clk_put(host->dbclk);
> - }
> err1:
> iounmap(host->base);
> mmc_free_host(mmc);
> @@ -2144,11 +2140,8 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
>
> pm_runtime_put_sync(host->dev);
> pm_runtime_disable(host->dev);
> - clk_put(host->fclk);
> - if (host->dbclk) {
> + if (host->dbclk)
Use IS_ERR instead.
> clk_disable_unprepare(host->dbclk);
> - clk_put(host->dbclk);
> - }
>
> omap_hsmmc_gpio_free(host->pdata);
> iounmap(host->base);
> --
> 1.7.5.4
>
Kind regards
Ulf Hansson
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