diff mbox

[v2,4/9] mmc: meson-gx: improve meson_mmc_irq_thread

Message ID 460d2337-7865-6c9c-21b6-98c2ea070926@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Heiner Kallweit Feb. 1, 2017, 6:48 a.m. UTC
Remove unneeded variable ret and simplify the if block.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
v2:
- no changes
---
 drivers/mmc/host/meson-gx-mmc.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

Comments

Kevin Hilman Feb. 3, 2017, 6:03 p.m. UTC | #1
Heiner Kallweit <hkallweit1@gmail.com> writes:

> Remove unneeded variable ret and simplify the if block.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
> v2:
> - no changes

Acked-by: Kevin Hilman <khilman@baylibre.com>

> ---
>  drivers/mmc/host/meson-gx-mmc.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
> index 529a4f22..4ce4c640 100644
> --- a/drivers/mmc/host/meson-gx-mmc.c
> +++ b/drivers/mmc/host/meson-gx-mmc.c
> @@ -670,7 +670,6 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
>  	struct mmc_command *cmd = host->cmd;
>  	struct mmc_data *data;
>  	unsigned int xfer_bytes;
> -	int ret = IRQ_HANDLED;
>  
>  	if (WARN_ON(!mrq))
>  		return IRQ_NONE;
> @@ -679,14 +678,12 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
>  		return IRQ_NONE;
>  
>  	data = cmd->data;
> -	if (data) {
> +	if (data && data->flags & MMC_DATA_READ) {
>  		xfer_bytes = data->blksz * data->blocks;
> -		if (data->flags & MMC_DATA_READ) {
> -			WARN_ON(xfer_bytes > host->bounce_buf_size);
> -			sg_copy_from_buffer(data->sg, data->sg_len,
> -					    host->bounce_buf, xfer_bytes);
> -			data->bytes_xfered = xfer_bytes;
> -		}
> +		WARN_ON(xfer_bytes > host->bounce_buf_size);
> +		sg_copy_from_buffer(data->sg, data->sg_len,
> +				    host->bounce_buf, xfer_bytes);
> +		data->bytes_xfered = xfer_bytes;
>  	}
>  
>  	meson_mmc_read_resp(host->mmc, cmd);
> @@ -695,7 +692,7 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
>  	else
>  		meson_mmc_start_cmd(host->mmc, data->stop);
>  
> -	return ret;
> +	return IRQ_HANDLED;
>  }
>  
>  /*
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diff mbox

Patch

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 529a4f22..4ce4c640 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -670,7 +670,6 @@  static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 	struct mmc_command *cmd = host->cmd;
 	struct mmc_data *data;
 	unsigned int xfer_bytes;
-	int ret = IRQ_HANDLED;
 
 	if (WARN_ON(!mrq))
 		return IRQ_NONE;
@@ -679,14 +678,12 @@  static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	data = cmd->data;
-	if (data) {
+	if (data && data->flags & MMC_DATA_READ) {
 		xfer_bytes = data->blksz * data->blocks;
-		if (data->flags & MMC_DATA_READ) {
-			WARN_ON(xfer_bytes > host->bounce_buf_size);
-			sg_copy_from_buffer(data->sg, data->sg_len,
-					    host->bounce_buf, xfer_bytes);
-			data->bytes_xfered = xfer_bytes;
-		}
+		WARN_ON(xfer_bytes > host->bounce_buf_size);
+		sg_copy_from_buffer(data->sg, data->sg_len,
+				    host->bounce_buf, xfer_bytes);
+		data->bytes_xfered = xfer_bytes;
 	}
 
 	meson_mmc_read_resp(host->mmc, cmd);
@@ -695,7 +692,7 @@  static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 	else
 		meson_mmc_start_cmd(host->mmc, data->stop);
 
-	return ret;
+	return IRQ_HANDLED;
 }
 
 /*