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spi/bcm63xx: Move default clock configuration to kill compiler warning

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drivers/spi/spi-bcm63xx.c: In function ‘bcm63xx_spi_setup_transfer’:
drivers/spi/spi-bcm63xx.c:207: warning: ‘clk_cfg’ may be used uninitialized in this function

While this is a false positive, it can easily be avoided by selecting
the default clock configuration first.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2015-11-09 10:28:50 +01:00 committed by Mark Brown
parent 8005c49d9a
commit 4dde99bd32
1 changed files with 3 additions and 4 deletions
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7
drivers/spi/spi-bcm63xx.c
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@ -207,6 +207,9 @@ static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
u8 clk_cfg, reg;
int i;
/* Default to lowest clock configuration */
clk_cfg = SPI_CLK_0_391MHZ;
/* Find the closest clock configuration */
for (i = 0; i < SPI_CLK_MASK; i++) {
if (t->speed_hz >= bcm63xx_spi_freq_table[i][0]) {
@ -215,10 +218,6 @@ static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
}
}
/* No matching configuration found, default to lowest */
if (i == SPI_CLK_MASK)
clk_cfg = SPI_CLK_0_391MHZ;
/* clear existing clock configuration bits of the register */
reg = bcm_spi_readb(bs, SPI_CLK_CFG);
reg &= ~SPI_CLK_MASK;