i2c: rcar: remove sign-compare flaw
gcc rightfully says:
drivers/i2c/busses/i2c-rcar.c:198:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index b694cba..d826e82 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -195,7 +195,7 @@
*/
rate = clk_get_rate(priv->clk);
cdf = rate / 20000000;
- if (cdf >= 1 << cdf_width) {
+ if (cdf >= 1U << cdf_width) {
dev_err(dev, "Input clock %lu too high\n", rate);
return -EIO;
}