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Message-Id: <79c7f01e29876c612e90d6d0157fb1572ca8b3fb.1752046270.git.xiaopei01@kylinos.cn> Date: Wed, 9 Jul 2025 15:37:13 +0800 From: Pei Xiao <xiaopei01@...inos.cn> To: pdeschrijver@...dia.com, pgaikwad@...dia.com, mturquette@...libre.com, sboyd@...nel.org, linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Pei Xiao <xiaopei01@...inos.cn> Subject: [PATCH 1/2] clk: tegra: periph: Fix error handling and resolve unsigned compare warning ./drivers/clk/tegra/clk-periph.c:59:5-9: WARNING: Unsigned expression compared with zero: rate < 0 The unsigned long 'rate' variable caused: - Incorrect handling of negative errors - Compile warning: "Unsigned expression compared with zero" Fix by changing to long type and adding req->rate cast. Signed-off-by: Pei Xiao <xiaopei01@...inos.cn> --- drivers/clk/tegra/clk-periph.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index 0626650a7011..c9fc52a36fce 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -51,7 +51,7 @@ static int clk_periph_determine_rate(struct clk_hw *hw, struct tegra_clk_periph *periph = to_clk_periph(hw); const struct clk_ops *div_ops = periph->div_ops; struct clk_hw *div_hw = &periph->divider.hw; - unsigned long rate; + long rate; __clk_hw_set_clk(div_hw, hw); @@ -59,7 +59,7 @@ static int clk_periph_determine_rate(struct clk_hw *hw, if (rate < 0) return rate; - req->rate = rate; + req->rate = (unsigned long)rate; return 0; } -- 2.25.1
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