linux-kernel - [PATCH 5.6 026/254] clocksource/drivers/timer-microchip-pit64b: Fix rate for gck

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Message-Id: <20200416131329.091921791@linuxfoundation.org>
Date:   Thu, 16 Apr 2020 15:21:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.6 026/254] clocksource/drivers/timer-microchip-pit64b: Fix rate for gck

From: Claudiu Beznea <claudiu.beznea@...rochip.com>

[ Upstream commit 0585244523f0f4de7e4480375e871617a79cab98 ]

Generic clock rate needs to be set in case it was selected as timer clock
source in mchp_pit64b_init_mode(). Otherwise it will be enabled with wrong
rate.

Fixes: 625022a5f160 ("clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Link: https://lore.kernel.org/r/1584352376-32585-1-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/clocksource/timer-microchip-pit64b.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clocksource/timer-microchip-pit64b.c b/drivers/clocksource/timer-microchip-pit64b.c
index bd63d3484838a..59e11ca8ee73e 100644
--- a/drivers/clocksource/timer-microchip-pit64b.c
+++ b/drivers/clocksource/timer-microchip-pit64b.c
@@ -264,6 +264,7 @@ static int __init mchp_pit64b_init_mode(struct mchp_pit64b_timer *timer,
 
 	if (!best_diff) {
 		timer->mode |= MCHP_PIT64B_MR_SGCLK;
+		clk_set_rate(timer->gclk, gclk_round);
 		goto done;
 	}
 
-- 
2.20.1