mtd: denali: remove another set-but-unused variable

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=ba5f2bc2afbf598aa2efb35542cd0d40fce76c45
Commit:     ba5f2bc2afbf598aa2efb35542cd0d40fce76c45
Parent:     a81b4708838261784fa473582607a6c687c39d00
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Fri Sep 19 09:37:19 2014 -0700
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Fri Sep 19 09:38:54 2014 -0700

    mtd: denali: remove another set-but-unused variable
    
    The variable "irq_status" in denali_read_page_raw() is set, but not used.
    
    Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/denali.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index cd58601..e5c39d2 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1218,7 +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) {
@@ -1237,7 +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);