linux-kernel - [PATCH v3 5/7] mtd: denali: remove a set-but-unused variable

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Message-Id: <1410865465-17941-6-git-send-email-yamada.m@jp.panasonic.com>
Date:	Tue, 16 Sep 2014 20:04:23 +0900
From:	Masahiro Yamada <yamada.m@...panasonic.com>
To:	linux-mtd@...ts.infradead.org
Cc:	Masahiro Yamada <yamada.m@...panasonic.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Josh Triplett <josh@...htriplett.org>,
	Huang Shijie <shijie8@...il.com>,
	"grmoore@...era.com" <grmoore@...era.com>,
	Rashika Kheria <rashika.kheria@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 5/7] mtd: denali: remove a set-but-unused variable

The variable "retry" in wait_for_irq() is set, but not used.
Likewise, for "irq_status" in denali_read_page_raw().

Signed-off-by: Masahiro Yamada <yamada.m@...panasonic.com>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
---

Changes in v3:
  - Remove also set-but-unused irq_status

Changes in v2: None

 drivers/mtd/nand/denali.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 4cb1497..e5c39d2 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -697,7 +697,6 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask)
 {
 	unsigned long comp_res;
 	uint32_t intr_status;
-	bool retry = false;
 	unsigned long timeout = msecs_to_jiffies(1000);
 
 	do {
@@ -717,7 +716,6 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask)
 			 * need to wait again
 			 */
 			spin_unlock_irq(&denali->irq_lock);
-			retry = true;
 		}
 	} while (comp_res != 0);
 
@@ -1220,7 +1218,6 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	dma_addr_t addr = denali->buf.dma_buf;
 	size_t size = denali->mtd.writesize + denali->mtd.oobsize;
 
-	uint32_t irq_status;
 	uint32_t irq_mask = INTR_STATUS__DMA_CMD_COMP;
 
 	if (page != denali->page) {
@@ -1239,7 +1236,7 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	denali_setup_dma(denali, DENALI_READ);
 
 	/* wait for operation to complete */
-	irq_status = wait_for_irq(denali, irq_mask);
+	wait_for_irq(denali, irq_mask);
 
 	dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE);
 
-- 
1.9.1

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