@@ -706,11 +706,9 @@ static int mvsd_probe(struct platform_device *pdev)
if (irq < 0)
return irq;
- mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev);
- if (!mmc) {
- ret = -ENOMEM;
- goto out;
- }
+ mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(*host));
+ if (!mmc)
+ return -ENOMEM;
host = mmc_priv(mmc);
host->mmc = mmc;
@@ -724,11 +722,9 @@ static int mvsd_probe(struct platform_device *pdev)
* fixed rate clock).
*/
host->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(host->clk)) {
- dev_err(&pdev->dev, "no clock associated\n");
- ret = -EINVAL;
- goto out;
- }
+ if (IS_ERR(host->clk))
+ return dev_err_probe(&pdev->dev, -EINVAL, "no clock associated\n");
+
clk_prepare_enable(host->clk);
mmc->ops = &mvsd_ops;
@@ -787,12 +783,7 @@ static int mvsd_probe(struct platform_device *pdev)
return 0;
out:
- if (mmc) {
- if (!IS_ERR(host->clk))
- clk_disable_unprepare(host->clk);
- mmc_free_host(mmc);
- }
-
+ clk_disable_unprepare(host->clk);
return ret;
}
@@ -808,7 +799,6 @@ static void mvsd_remove(struct platform_device *pdev)
if (!IS_ERR(host->clk))
clk_disable_unprepare(host->clk);
- mmc_free_host(mmc);
}
static const struct of_device_id mvsdio_dt_ids[] = {
Use new function devm_mmc_alloc_host() to simplify the code. Cc: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> --- drivers/mmc/host/mvsdio.c | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-)