linux-kernel - [PATCH] spi: omap2-mcspi: Fix the redifine warning

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Date:	Mon, 19 Nov 2012 12:12:29 +0530
From:	Shubhrajyoti D <shubhrajyoti@...com>
To:	<spi-devel-general@...ts.sourceforge.net>
CC:	<broonie@...nsource.wolfsonmicro.com>, <grant.likely@...retlab.ca>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Shubhrajyoti D <shubhrajyoti@...com>
Subject: [PATCH] spi: omap2-mcspi: Fix the redifine warning

Fix the below warning
drivers/spi/spi-omap2-mcspi.c:336:34: warning: symbol 'tx' shadows an earlier one
drivers/spi/spi-omap2-mcspi.c:327:12: originally declared here

So delete the u8 tx as it is assigned and not used(resigned afterwards).

Signed-off-by: Shubhrajyoti D <shubhrajyoti@...com>
---
 drivers/spi/spi-omap2-mcspi.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 251f6d0..c3dcfb3 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -323,14 +323,11 @@ static void omap2_mcspi_tx_dma(struct spi_device *spi,
 	struct omap2_mcspi	*mcspi;
 	struct omap2_mcspi_dma  *mcspi_dma;
 	unsigned int		count;
-	const u8		* tx;
 
 	mcspi = spi_master_get_devdata(spi->master);
 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];
 	count = xfer->len;
 
-	tx = xfer->tx_buf;
-
 	if (mcspi_dma->dma_tx) {
 		struct dma_async_tx_descriptor *tx;
 		struct scatterlist sg;
-- 
1.7.5.4

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