linux-kernel - [PATCH v3 0/6] thermal/drivers/mediatek/lvts_thermal: Fixes to the interrupt handling

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Message-ID: <20230706153823.201943-1-nfraprado@collabora.com>
Date:   Thu,  6 Jul 2023 11:37:31 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Alexandre Bailon <abailon@...libre.com>,
        Balsam CHIHI <bchihi@...libre.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Alexandre Mergnat <amergnat@...libre.com>,
        kernel@...labora.com,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>, Amit Kucheria <amitk@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org
Subject: [PATCH v3 0/6] thermal/drivers/mediatek/lvts_thermal: Fixes to the interrupt handling


This series fixes interrupt handling in the LVTS thermal driver. It not
only solves the interrupt storms currently happening, but also allows
the temperature monitoring interrupts to trigger when the thermal trip
temperature is reached.

This series was tested together with the MT8192 support series [1] on
the Spherion Chromebook (mt8192-asurada-spherion).

These are standalone fixes and don't depend on anything else.

[1] https://lore.kernel.org/all/20230530195132.2286163-1-bero@baylibre.com

Thanks,
Nícolas

Changes in v3:
- Reworded cover letter
- Split bitmaps for immediate and filtered modes into separate arrays
  (patch 2)
- Removed duplicate code for setting MINIMUM_THRESHOLD (patch 5)

Changes in v2:
- Added commits 3, 5, 6 to get working interrupts when crossing thermal
trip points
- Updated commit 4 with interrupt flags for the offset

Nícolas F. R. A. Prado (6):
  thermal/drivers/mediatek/lvts_thermal: Handle IRQ on all controllers
  thermal/drivers/mediatek/lvts_thermal: Honor sensors in immediate mode
  thermal/drivers/mediatek/lvts_thermal: Use offset threshold for IRQ
  thermal/drivers/mediatek/lvts_thermal: Disable undesired interrupts
  thermal/drivers/mediatek/lvts_thermal: Don't leave threshold zeroed
  thermal/drivers/mediatek/lvts_thermal: Manage threshold between
    sensors

 drivers/thermal/mediatek/lvts_thermal.c | 152 ++++++++++++++++++------
 1 file changed, 115 insertions(+), 37 deletions(-)

-- 
2.41.0