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authorHeiner Kallweit <hkallweit1@gmail.com>2022-04-16 01:12:01 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2022-04-26 14:05:21 +0200
commit238b638b309093b77852137bcffd98702b95564f (patch)
treee46af8909a8fe905bc23b09ae7e01c535633f0b3 /drivers/mmc
parent36ed2fd32b2cf7ff49804fae455e58e4d3b3bcad (diff)
downloadlinux-238b638b309093b77852137bcffd98702b95564f.tar.bz2
mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
Using the device-managed version allows to simplify clean-up in probe() error path and remove(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/268b3cd5-2388-2553-bdba-c72853f91aa3@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/meson-gx-mmc.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 58ab9d90bc8b..2f08d442e557 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1271,8 +1271,8 @@ static int meson_mmc_probe(struct platform_device *pdev)
/* data bounce buffer */
host->bounce_buf_size = mmc->max_req_size;
host->bounce_buf =
- dma_alloc_coherent(host->dev, host->bounce_buf_size,
- &host->bounce_dma_addr, GFP_KERNEL);
+ dmam_alloc_coherent(host->dev, host->bounce_buf_size,
+ &host->bounce_dma_addr, GFP_KERNEL);
if (host->bounce_buf == NULL) {
dev_err(host->dev, "Unable to map allocate DMA bounce buffer.\n");
ret = -ENOMEM;
@@ -1280,12 +1280,12 @@ static int meson_mmc_probe(struct platform_device *pdev)
}
}
- host->descs = dma_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
- &host->descs_dma_addr, GFP_KERNEL);
+ host->descs = dmam_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
+ &host->descs_dma_addr, GFP_KERNEL);
if (!host->descs) {
dev_err(host->dev, "Allocating descriptor DMA buffer failed\n");
ret = -ENOMEM;
- goto err_bounce_buf;
+ goto err_free_irq;
}
mmc->ops = &meson_mmc_ops;
@@ -1293,10 +1293,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
return 0;
-err_bounce_buf:
- if (!host->dram_access_quirk)
- dma_free_coherent(host->dev, host->bounce_buf_size,
- host->bounce_buf, host->bounce_dma_addr);
err_free_irq:
free_irq(host->irq, host);
err_init_clk:
@@ -1318,13 +1314,6 @@ static int meson_mmc_remove(struct platform_device *pdev)
writel(0, host->regs + SD_EMMC_IRQ_EN);
free_irq(host->irq, host);
- dma_free_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
- host->descs, host->descs_dma_addr);
-
- if (!host->dram_access_quirk)
- dma_free_coherent(host->dev, host->bounce_buf_size,
- host->bounce_buf, host->bounce_dma_addr);
-
clk_disable_unprepare(host->mmc_clk);
clk_disable_unprepare(host->core_clk);