spi: spi-orion: check return value from clk_prepare()/clk_enable()
clk_prepare()/clk_enable() can fail, and it's return value should
be checked. Add the proper checking, and while we're here, convert
to clk_prepare_enable().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index d018a4a..2484498 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -382,8 +382,10 @@
goto out;
}
- clk_prepare(spi->clk);
- clk_enable(spi->clk);
+ status = clk_prepare_enable(spi->clk);
+ if (status)
+ goto out;
+
tclk_hz = clk_get_rate(spi->clk);
master->max_speed_hz = DIV_ROUND_UP(tclk_hz, 4);
master->min_speed_hz = DIV_ROUND_UP(tclk_hz, 30);