From: Michał Mirosław mirq-linux@rere.qmqm.pl
[ Upstream commit b1ac6704493fa14b5dc19eb6b69a73932361a131 ]
In SAMA5D2 datasheet, TWIHS_CWGR register rescription mentions clock offset of 3 cycles (compared to 4 in eg. SAMA5D3).
Cc: stable@vger.kernel.org # 5.2.x [needs applying to i2c-at91.c instead for earlier kernels] Fixes: 0ef6f3213dac ("i2c: at91: add support for new alternative command mode") Signed-off-by: Michał Mirosław mirq-linux@rere.qmqm.pl Acked-by: Ludovic Desroches ludovic.desroches@microchip.com Signed-off-by: Wolfram Sang wsa@the-dreams.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/busses/i2c-at91.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 0998a388d2ed5..d51bf536bdf75 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -914,7 +914,7 @@ static struct at91_twi_pdata sama5d4_config = {
static struct at91_twi_pdata sama5d2_config = { .clk_max_div = 7, - .clk_offset = 4, + .clk_offset = 3, .has_unre_flag = true, .has_alt_cmd = true, .has_hold_field = true,