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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>,
        Stephen Boyd <sboyd@kernel.org>
Subject: [PATCH 5.4 200/232] clk: ingenic/TCU: Fix round_rate returning error
Date:   Thu, 16 Apr 2020 15:24:54 +0200
Message-Id: <20200416131340.282150287@linuxfoundation.org>
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References: <20200416131316.640996080@linuxfoundation.org>
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From: Paul Cercueil <paul@crapouillou.net>

commit edcc42945dee85e9dec3737f3dbf59d917ae5418 upstream.

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@vger.kernel.org
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lkml.kernel.org/r/20200213161952.37460-2-paul@crapouillou.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -189,7 +189,7 @@ static long ingenic_tcu_round_rate(struc
 	u8 prescale;
 
 	if (req_rate > rate)
-		return -EINVAL;
+		return rate;
 
 	prescale = ingenic_tcu_get_prescale(rate, req_rate);