[PATCH][next] spi: SPISG: Fix less than zero comparison on a u32 variable

[Colin Ian King <colin.i.king@xxxxxxxxx>]

The check for ns < 0 is always false because variable ns is a u32 which
is not a signed type. Fix this by making ns a s32 type.

Fixes: cef9991e04ae ("spi: Add Amlogic SPISG driver")
Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/spi/spi-amlogic-spisg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-amlogic-spisg.c b/drivers/spi/spi-amlogic-spisg.c
index 48a5325b4db7..2ab8bdf2a676 100644
--- a/drivers/spi/spi-amlogic-spisg.c
+++ b/drivers/spi/spi-amlogic-spisg.c
@@ -163,7 +163,7 @@ struct spisg_device {
 
 static int spi_delay_to_sclk(u32 slck_speed_hz, struct spi_delay *delay)
 {
-	u32 ns;
+	s32 ns;
 
 	if (!delay)
 		return 0;
-- 
2.50.0