4.19-stable review patch. If anyone has any objections, please let me know.
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From: Wolfram Sang wsa+renesas@sang-engineering.com
[ Upstream commit 7890fce6201aed46d3576e3d641f9ee5c1f0e16f ]
Value comes from DT, so it could be 0. Unlikely, but could be.
Signed-off-by: Wolfram Sang wsa+renesas@sang-engineering.com Reviewed-by: Geert Uytterhoeven geert+renesas@glider.be Signed-off-by: Wolfram Sang wsa@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/busses/i2c-riic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index e6f351c92c02d..82ffa8eecec8d 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -315,7 +315,7 @@ static int riic_init_hw(struct riic_dev *riic, struct i2c_timings *t) * frequency with only 62 clock ticks max (31 high, 31 low). * Aim for a duty of 60% LOW, 40% HIGH. */ - total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz); + total_ticks = DIV_ROUND_UP(rate, t->bus_freq_hz ?: 1);
for (cks = 0; cks < 7; cks++) { /*