From d0bbe0328fe552ff3211b3cbbf6117a885a3d5b2 Mon Sep 17 00:00:00 2001 From: Min Li Date: Tue, 24 May 2022 10:45:01 -0400 Subject: ptp: ptp_clockmatrix: fix is_single_shot is_single_shot should return false for the power_of_2 mask Fixes: bec67592521e ("ptp: ptp_clockmatrix: Add PTP_CLK_REQ_EXTTS support") Signed-off-by: Min Li Link: https://lore.kernel.org/r/1653403501-12621-1-git-send-email-min.li.xe@renesas.com Signed-off-by: Jakub Kicinski --- drivers/ptp/ptp_clockmatrix.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c index cb258e1448d5..c9d451bf89e2 100644 --- a/drivers/ptp/ptp_clockmatrix.c +++ b/drivers/ptp/ptp_clockmatrix.c @@ -267,7 +267,7 @@ static int arm_tod_read_trig_sel_refclk(struct idtcm_channel *channel, u8 ref) static bool is_single_shot(u8 mask) { /* Treat single bit ToD masks as continuous trigger */ - return mask <= 8 && is_power_of_2(mask); + return !(mask <= 8 && is_power_of_2(mask)); } static int idtcm_extts_enable(struct idtcm_channel *channel, -- cgit v1.2.3