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Commit ce13105a authored by Wolfram Sang's avatar Wolfram Sang Committed by Greg Kroah-Hartman
Browse files

i2c: riic: avoid potential division by zero 



[ Upstream commit 7890fce6201aed46d3576e3d641f9ee5c1f0e16f ]

Value comes from DT, so it could be 0. Unlikely, but could be.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 2d109cef

drivers/i2c/busses/i2c-riic.c

+1 −1
Original line number Diff line number Diff line
@@ -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++) {

		/*