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Message-ID: <20250919142649.58859-5-ziyao@disroot.org>
Date: Fri, 19 Sep 2025 14:26:45 +0000
From: Yao Zi <ziyao@...root.org>
To: Yinbo Zhu <zhuyinbo@...ngson.cn>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Huacai Chen <chenhuacai@...nel.org>,
WANG Xuerui <kernel@...0n.name>
Cc: linux-clk@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
loongarch@...ts.linux.dev,
Mingcong Bai <jeffbai@...c.io>,
Kexy Biscuit <kexybiscuit@...c.io>,
Yao Zi <ziyao@...root.org>
Subject: [PATCH v4 4/8] clk: loongson2: Allow zero divisors for dividers
LS2K0300 and LS2K0500 ship divider clocks which allows zero divisors,
in which case the divider acts the same as one is specified.
Let's pass CLK_DIVIDER_ALLOW_ZERO when registering divider clocks to
prepare for future introduction of these clocks.
Signed-off-by: Yao Zi <ziyao@...root.org>
---
drivers/clk/clk-loongson2.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk-loongson2.c b/drivers/clk/clk-loongson2.c
index bba97270376c..7a916c7d2718 100644
--- a/drivers/clk/clk-loongson2.c
+++ b/drivers/clk/clk-loongson2.c
@@ -361,7 +361,8 @@ static int loongson2_clk_probe(struct platform_device *pdev)
p->parent_name, 0,
clp->base + p->reg_offset,
p->div_shift, p->div_width,
- CLK_DIVIDER_ONE_BASED,
+ CLK_DIVIDER_ONE_BASED |
+ CLK_DIVIDER_ALLOW_ZERO,
&clp->clk_lock);
break;
case CLK_TYPE_GATE:
--
2.50.1
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