linux-kernel - [PATCH] clocksource/drivers/timer-ti-dm: Fix finding alwon timer

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Message-Id: <20230412064142.12726-1-tony@atomide.com>
Date:   Wed, 12 Apr 2023 09:41:41 +0300
From:   Tony Lindgren <tony@...mide.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh@...nel.org>
Cc:     Georgi Vlaev <g-vlaev@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Keerthy <j-keerthy@...com>,
        Ladislav Michl <ladis@...ux-mips.org>,
        Nishanth Menon <nm@...com>, Suman Anna <s-anna@...com>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] clocksource/drivers/timer-ti-dm: Fix finding alwon timer

Clean-up commit b6999fa1c847 ("clocksource/drivers/timer-ti-dm: Use
of_address_to_resource()") caused a regression where pa is never set
making all related SoCs fail to boot. Let's fix this by setting pa
if found.

Fixes: b6999fa1c847 ("clocksource/drivers/timer-ti-dm: Use of_address_to_resource()")
Cc: Rob Herring <robh@...nel.org>
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 drivers/clocksource/timer-ti-dm-systimer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-ti-dm-systimer.c b/drivers/clocksource/timer-ti-dm-systimer.c
--- a/drivers/clocksource/timer-ti-dm-systimer.c
+++ b/drivers/clocksource/timer-ti-dm-systimer.c
@@ -261,8 +261,10 @@ static void __init dmtimer_systimer_assign_alwon(void)
 		if (of_address_to_resource(np, 0, &res))
 			continue;
 
+		pa = res.start;
+
 		/* Quirky omap3 boards must use dmtimer12 */
-		if (quirk_unreliable_oscillator && res.start == 0x48318000)
+		if (quirk_unreliable_oscillator && pa == 0x48318000)
 			continue;
 
 		of_node_put(np);
-- 
2.40.0