linux-kernel - [PATCHv3 3/3] spi: omap2-mcspi: Trivial optimisation

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Date:	Sat, 31 Mar 2012 17:06:58 +0530
From:	Shubhrajyoti D <shubhrajyoti@...com>
To:	<spi-devel-general@...ts.sourceforge.net>
CC:	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Shubhrajyoti D <shubhrajyoti@...com>
Subject: [PATCHv3 3/3] spi: omap2-mcspi: Trivial optimisation

Trivial optimisation of tmp variable by directly writing the value
to the register.

Cc :  Tarun Kanti DebBarma <tarun.kanti@...com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@...com>
---
 drivers/spi/spi-omap2-mcspi.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 0b0da2f..f374eee 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1050,16 +1050,15 @@ static int __init omap2_mcspi_master_setup(struct omap2_mcspi *mcspi)
 {
 	struct spi_master	*master = mcspi->master;
 	struct omap2_mcspi_regs	*ctx = &mcspi->ctx;
-	u32			tmp;
 	int			ret = 0;
 
 	ret = omap2_mcspi_enable_clocks(mcspi);
 	if (ret < 0)
 		return ret;
 
-	tmp = OMAP2_MCSPI_WAKEUPENABLE_WKEN;
-	mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE, tmp);
-	ctx->wakeupenable = tmp;
+	mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE,
+				OMAP2_MCSPI_WAKEUPENABLE_WKEN);
+	ctx->wakeupenable = OMAP2_MCSPI_WAKEUPENABLE_WKEN;
 
 	omap2_mcspi_set_master_mode(master);
 	omap2_mcspi_disable_clocks(mcspi);
-- 
1.7.1

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