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c36de2e73a
Backport almost 50 commits from upstream Linux to improve thermal drivers for MediaTek SoCs and add new LVTS driver for MT7988. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From fb1bbb5b63e4e3c788a978724749ced57d208054 Mon Sep 17 00:00:00 2001
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From: Minjie Du <duminjie@vivo.com>
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Date: Thu, 21 Sep 2023 17:10:50 +0800
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Subject: [PATCH 38/42] thermal/drivers/mediatek/lvts_thermal: Fix error check
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in lvts_debugfs_init()
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debugfs_create_dir() function returns an error value embedded in
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the pointer (PTR_ERR). Evaluate the return value using IS_ERR
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rather than checking for NULL.
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Signed-off-by: Minjie Du <duminjie@vivo.com>
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Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
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Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
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Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Link: https://lore.kernel.org/r/20230921091057.3812-1-duminjie@vivo.com
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---
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drivers/thermal/mediatek/lvts_thermal.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/thermal/mediatek/lvts_thermal.c
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+++ b/drivers/thermal/mediatek/lvts_thermal.c
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@@ -219,7 +219,7 @@ static int lvts_debugfs_init(struct devi
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sprintf(name, "controller%d", i);
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dentry = debugfs_create_dir(name, lvts_td->dom_dentry);
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- if (!dentry)
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+ if (IS_ERR(dentry))
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continue;
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regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
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