linux-kernel - [PATCH v2 2/2] clk: ingenic/TCU: Fix round

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Message-Id: <20200213161952.37460-2-paul@crapouillou.net>
Date:   Thu, 13 Feb 2020 13:19:52 -0300
From:   Paul Cercueil <paul@...pouillou.net>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>
Cc:     od@...c.me, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>,
        stable@...r.kernel.org
Subject: [PATCH v2 2/2] clk: ingenic/TCU: Fix round_rate returning error

When requesting a rate superior to the parent's rate, it would return
-EINVAL instead of simply returning the parent's rate like it should.

Fixes: 4f89e4b8f121 ("clk: ingenic: Add driver for the TCU clocks")
Cc: stable@...r.kernel.org
Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---

Notes:
    v2: New patch

 drivers/clk/ingenic/tcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c
index ad7daa494fd4..cd537c3db782 100644
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -189,7 +189,7 @@ static long ingenic_tcu_round_rate(struct clk_hw *hw, unsigned long req_rate,
 	u8 prescale;
 
 	if (req_rate > rate)
-		return -EINVAL;
+		return rate;
 
 	prescale = ingenic_tcu_get_prescale(rate, req_rate);
 
-- 
2.25.0