linux-kernel - [PATCH] mmc: moxart: Remove unused variable 'dma_time' and 'pio

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Date:   Fri,  2 Apr 2021 17:53:51 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     ulf.hansson@...aro.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] mmc: moxart: Remove unused variable 'dma_time' and 'pio_time'

Fixes the following W=1 kernel build warning(s):

drivers/mmc/host/moxart-mmc.c:257:7: warning: variable ‘dma_time’ set
but not used
drivers/mmc/host/moxart-mmc.c:395:7: warning: variable ‘pio_time’ set
but not used

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/mmc/host/moxart-mmc.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index 89bff4e..bde2988 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -257,7 +257,6 @@ static void moxart_dma_complete(void *param)
 static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
 {
 	u32 len, dir_slave;
-	long dma_time;
 	struct dma_async_tx_descriptor *desc = NULL;
 	struct dma_chan *dma_chan;
 
@@ -294,8 +293,8 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
 
 	data->bytes_xfered += host->data_remain;
 
-	dma_time = wait_for_completion_interruptible_timeout(
-		   &host->dma_complete, host->timeout);
+	wait_for_completion_interruptible_timeout(&host->dma_complete,
+						  host->timeout);
 
 	dma_unmap_sg(dma_chan->device->dev,
 		     data->sg, data->sg_len,
@@ -395,7 +394,6 @@ static void moxart_prepare_data(struct moxart_host *host)
 static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
 {
 	struct moxart_host *host = mmc_priv(mmc);
-	long pio_time;
 	unsigned long flags;
 	u32 status;
 
@@ -431,8 +429,8 @@ static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
 			spin_unlock_irqrestore(&host->lock, flags);
 
 			/* PIO transfers start from interrupt. */
-			pio_time = wait_for_completion_interruptible_timeout(
-				   &host->pio_complete, host->timeout);
+			wait_for_completion_interruptible_timeout(&host->pio_complete,
+								  host->timeout);
 
 			spin_lock_irqsave(&host->lock, flags);
 		}
-- 
1.8.3.1