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* [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
@ 2022-04-15 23:12 ` Heiner Kallweit
  0 siblings, 0 replies; 6+ messages in thread
From: Heiner Kallweit @ 2022-04-15 23:12 UTC (permalink / raw)
  To: Ulf Hansson, Neil Armstrong, Kevin Hilman, Jerome Brunet,
	Martin Blumenstingl
  Cc: linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

Using the device-managed version allows to simplify clean-up in probe()
error path and remove().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 9f815cfbd..d4134b18d 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1301,8 +1301,8 @@ 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;
@@ -1310,12 +1310,12 @@ 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;
@@ -1323,10 +1323,6 @@ 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:
@@ -1348,13 +1344,6 @@ 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);
 
-- 
2.35.3


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
@ 2022-04-15 23:12 ` Heiner Kallweit
  0 siblings, 0 replies; 6+ messages in thread
From: Heiner Kallweit @ 2022-04-15 23:12 UTC (permalink / raw)
  To: Ulf Hansson, Neil Armstrong, Kevin Hilman, Jerome Brunet,
	Martin Blumenstingl
  Cc: linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

Using the device-managed version allows to simplify clean-up in probe()
error path and remove().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 9f815cfbd..d4134b18d 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1301,8 +1301,8 @@ 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;
@@ -1310,12 +1310,12 @@ 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;
@@ -1323,10 +1323,6 @@ 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:
@@ -1348,13 +1344,6 @@ 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);
 
-- 
2.35.3


_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
@ 2022-04-15 23:12 ` Heiner Kallweit
  0 siblings, 0 replies; 6+ messages in thread
From: Heiner Kallweit @ 2022-04-15 23:12 UTC (permalink / raw)
  To: Ulf Hansson, Neil Armstrong, Kevin Hilman, Jerome Brunet,
	Martin Blumenstingl
  Cc: linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

Using the device-managed version allows to simplify clean-up in probe()
error path and remove().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 9f815cfbd..d4134b18d 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1301,8 +1301,8 @@ 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;
@@ -1310,12 +1310,12 @@ 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;
@@ -1323,10 +1323,6 @@ 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:
@@ -1348,13 +1344,6 @@ 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);
 
-- 
2.35.3


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
  2022-04-15 23:12 ` Heiner Kallweit
  (?)
@ 2022-04-21 13:54   ` Ulf Hansson
  -1 siblings, 0 replies; 6+ messages in thread
From: Ulf Hansson @ 2022-04-21 13:54 UTC (permalink / raw)
  To: Heiner Kallweit
  Cc: Neil Armstrong, Kevin Hilman, Jerome Brunet, Martin Blumenstingl,
	linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

On Sat, 16 Apr 2022 at 01:12, Heiner Kallweit <hkallweit1@gmail.com> wrote:
>
> Using the device-managed version allows to simplify clean-up in probe()
> error path and remove().
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
>  1 file changed, 5 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 9f815cfbd..d4134b18d 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -1301,8 +1301,8 @@ 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;
> @@ -1310,12 +1310,12 @@ 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;
> @@ -1323,10 +1323,6 @@ 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:
> @@ -1348,13 +1344,6 @@ 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);
>
> --
> 2.35.3
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
@ 2022-04-21 13:54   ` Ulf Hansson
  0 siblings, 0 replies; 6+ messages in thread
From: Ulf Hansson @ 2022-04-21 13:54 UTC (permalink / raw)
  To: Heiner Kallweit
  Cc: Neil Armstrong, Kevin Hilman, Jerome Brunet, Martin Blumenstingl,
	linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

On Sat, 16 Apr 2022 at 01:12, Heiner Kallweit <hkallweit1@gmail.com> wrote:
>
> Using the device-managed version allows to simplify clean-up in probe()
> error path and remove().
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
>  1 file changed, 5 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 9f815cfbd..d4134b18d 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -1301,8 +1301,8 @@ 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;
> @@ -1310,12 +1310,12 @@ 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;
> @@ -1323,10 +1323,6 @@ 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:
> @@ -1348,13 +1344,6 @@ 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);
>
> --
> 2.35.3
>

_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent()
@ 2022-04-21 13:54   ` Ulf Hansson
  0 siblings, 0 replies; 6+ messages in thread
From: Ulf Hansson @ 2022-04-21 13:54 UTC (permalink / raw)
  To: Heiner Kallweit
  Cc: Neil Armstrong, Kevin Hilman, Jerome Brunet, Martin Blumenstingl,
	linux-mmc, linux-arm-kernel, open list:ARM/Amlogic Meson...

On Sat, 16 Apr 2022 at 01:12, Heiner Kallweit <hkallweit1@gmail.com> wrote:
>
> Using the device-managed version allows to simplify clean-up in probe()
> error path and remove().
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/meson-gx-mmc.c | 21 +++++----------------
>  1 file changed, 5 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 9f815cfbd..d4134b18d 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -1301,8 +1301,8 @@ 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;
> @@ -1310,12 +1310,12 @@ 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;
> @@ -1323,10 +1323,6 @@ 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:
> @@ -1348,13 +1344,6 @@ 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);
>
> --
> 2.35.3
>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-04-21 13:56 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-15 23:12 [PATCH] mmc: meson-gx: switch to device-managed dmam_alloc_coherent() Heiner Kallweit
2022-04-15 23:12 ` Heiner Kallweit
2022-04-15 23:12 ` Heiner Kallweit
2022-04-21 13:54 ` Ulf Hansson
2022-04-21 13:54   ` Ulf Hansson
2022-04-21 13:54   ` Ulf Hansson

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