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spi: spi-davinci: Fix variable type

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'prescale' contains the return value of davinci_spi_get_prescale()
which is a signed integer. Convert 'prescale' to integer to silence
the following warning:
drivers/spi/spi-davinci.c:318 davinci_spi_setup_transfer() warn:
unsigned 'prescale' is never less than zero.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sachin Kamat 2013-09-11 16:05:04 +05:30 committed by Mark Brown
parent 272b98c645
commit 32ea394443
1 changed files with 2 additions and 1 deletions
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3
drivers/spi/spi-davinci.c
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@ -279,7 +279,8 @@ static int davinci_spi_setup_transfer(struct spi_device *spi,
struct davinci_spi *dspi;
struct davinci_spi_config *spicfg;
u8 bits_per_word = 0;
u32 hz = 0, spifmt = 0, prescale = 0;
u32 hz = 0, spifmt = 0;
int prescale;
dspi = spi_master_get_devdata(spi->master);
spicfg = (struct davinci_spi_config *)spi->controller_data;