@@ -1369,11 +1369,10 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
struct mmc_host *mmc;
int ret;
- mmc = mmc_alloc_host(sizeof(struct sunxi_mmc_host), &pdev->dev);
- if (!mmc) {
- dev_err(&pdev->dev, "mmc alloc host failed\n");
- return -ENOMEM;
- }
+ mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(*host));
+ if (!mmc)
+ return dev_err_probe(&pdev->dev, -ENOMEM,
+ "mmc alloc host failed\n");
platform_set_drvdata(pdev, mmc);
host = mmc_priv(mmc);
@@ -1383,15 +1382,13 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
ret = sunxi_mmc_resource_request(host, pdev);
if (ret)
- goto error_free_host;
+ return ret;
host->sg_cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
&host->sg_dma, GFP_KERNEL);
- if (!host->sg_cpu) {
- dev_err(&pdev->dev, "Failed to allocate DMA descriptor mem\n");
- ret = -ENOMEM;
- goto error_free_host;
- }
+ if (!host->sg_cpu)
+ return dev_err_probe(&pdev->dev, -ENOMEM,
+ `"Failed to allocate DMA descriptor mem\n");
if (host->cfg->ccu_has_timings_switch) {
/*
@@ -1481,8 +1478,6 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
error_free_dma:
dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
-error_free_host:
- mmc_free_host(mmc);
return ret;
}
@@ -1498,7 +1493,6 @@ static void sunxi_mmc_remove(struct platform_device *pdev)
sunxi_mmc_disable(host);
}
dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
- mmc_free_host(mmc);
}
#ifdef CONFIG_PM
Use new function devm_mmc_alloc_host() to simplify the code. Cc: Chen-Yu Tsai <wens@csie.org> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: Samuel Holland <samuel@sholland.org> Cc: linux-sunxi@lists.linux.dev Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn> --- drivers/mmc/host/sunxi-mmc.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-)