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From: Frank Wunderlich <linux@fw-web.de>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Daniel Golle <daniel@makrotopia.org>,
	Laura Nao <laura.nao@collabora.com>,
	linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] thermal/drivers/mediatek/lvts: fix mt7987 thermal crash
Date: Mon,  9 Mar 2026 07:44:38 +0100	[thread overview]
Message-ID: <20260309064439.4296-1-linux@fw-web.de> (raw)

From: Frank Wunderlich <frank-w@public-files.de>

On mt7987 we see a crash due to missing ops entry.

[    1.518540] Internal error: Oops: 0000000096000005 [#1]  SMP
...
[    1.564481] pc : lvts_get_temp+0x84/0xc4
[    1.564492] lr : lvts_get_temp+0x60/0xc4
...
[    1.620900] Call trace:
[    1.631753]  lvts_get_temp+0x84/0xc4 (P)
[    1.645471]  __thermal_zone_get_temp+0x24/0x11c
[    1.656502]  __thermal_zone_device_update+0x9c/0x52c

Add the new ops member added in 7.0-rc1 for mt7987 too.

Fixes: a4c40559499f ("thermal/drivers/mediatek/lvts: Add platform ops to support alternative conversion logic")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
 drivers/thermal/mediatek/lvts_thermal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index a9617d5e0077..5671531d4c23 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -2026,6 +2026,7 @@ static const struct lvts_data mt7987_lvts_ap_data = {
 	.temp_offset	= LVTS_COEFF_B_MT7987,
 	.gt_calib_bit_offset = 32,
 	.def_calibration = 19380,
+	.ops = &lvts_platform_ops_mt7988,
 };
 
 static const struct lvts_data mt7988_lvts_ap_data = {
-- 
2.43.0



             reply	other threads:[~2026-03-09  6:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-09  6:44 Frank Wunderlich [this message]
2026-03-11  9:35 ` [PATCH] thermal/drivers/mediatek/lvts: fix mt7987 thermal crash Laura Nao
2026-03-12  7:39   ` Frank Wunderlich
2026-03-12 11:34     ` Laura Nao

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