From: Jolly Shah <jolly.shah@xilinx.com>
To: olof@lixom.net, mturquette@baylibre.com, sboyd@kernel.org,
michal.simek@xilinx.com, arm@kernel.org,
linux-clk@vger.kernel.org
Cc: Jolly Shah <jolly.shah@xilinx.com>,
Rajan Vaja <rajan.vaja@xilinx.com>,
rajanv@xilinx.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/4] drivers: clk: zynqmp: Limit bestdiv with maxdiv
Date: Mon, 2 Mar 2020 13:50:40 -0800 [thread overview]
Message-ID: <1583185843-20707-2-git-send-email-jolly.shah@xilinx.com> (raw)
In-Reply-To: <1583185843-20707-1-git-send-email-jolly.shah@xilinx.com>
From: Rajan Vaja <rajan.vaja@xilinx.com>
Clock divider value should not be greater than maximum divider value.
So use minimum of best divider or maximum divider value.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
---
drivers/clk/zynqmp/divider.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c
index 973cdf0..7d2cb61 100644
--- a/drivers/clk/zynqmp/divider.c
+++ b/drivers/clk/zynqmp/divider.c
@@ -198,6 +198,8 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw,
if ((clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && divider->is_frac)
bestdiv = rate % *prate ? 1 : bestdiv;
+
+ bestdiv = min_t(u32, bestdiv, divider->max_div);
*prate = rate * bestdiv;
return rate;
--
2.7.4
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next prev parent reply other threads:[~2020-03-02 21:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-02 21:50 [PATCH v2 0/4] drivers: clk: zynqmp: minor bux fixes for zynqmp clock driver Jolly Shah
2020-03-02 21:50 ` Jolly Shah [this message]
2020-05-27 1:01 ` [PATCH v2 1/4] drivers: clk: zynqmp: Limit bestdiv with maxdiv Stephen Boyd
2020-03-02 21:50 ` [PATCH v2 2/4] drivers: clk: zynqmp: Fix divider2 calculation Jolly Shah
2020-05-27 1:01 ` Stephen Boyd
2020-03-02 21:50 ` [PATCH v2 3/4] drivers: clk: zynqmp: Fix invalid clock name queries Jolly Shah
2020-05-27 1:01 ` Stephen Boyd
2020-03-02 21:50 ` [PATCH v2 4/4] drivers: clk: zynqmp: fix memory leak in zynqmp_register_clocks Jolly Shah
2020-05-27 1:01 ` Stephen Boyd
2020-03-23 21:15 ` [PATCH v2 0/4] drivers: clk: zynqmp: minor bux fixes for zynqmp clock driver Jolly Shah
2020-04-09 20:44 ` Jolly Shah
2020-04-21 7:50 ` Michal Simek
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