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Message-Id: <20200519030036.1785-2-zhang.lyra@gmail.com>
Date: Tue, 19 May 2020 11:00:36 +0800
From: Chunyan Zhang <zhang.lyra@...il.com>
To: Stephen Boyd <sboyd@...nel.org>,
Michael Turquette <mturquette@...libre.com>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
Orson Zhai <orsonzhai@...il.com>,
Baolin Wang <baolin.wang7@...il.com>,
Chunyan Zhang <chunyan.zhang@...soc.com>,
Chunyan Zhang <zhang.lyra@...il.com>
Subject: [PATCH 2/2] clk: sprd: return correct type of value for _sprd_pll_recalc_rate
From: Chunyan Zhang <chunyan.zhang@...soc.com>
The function _sprd_pll_recalc_rate() defines return value to unsigned
long, but it would return a negative value when malloc fail, changing
to return its parent_rate makes more sense, since if the callback
.recalc_rate() is not set, the framework returns the parent_rate as
well.
Fixes: 3e37b005580b ("clk: sprd: add adjustable pll support")
Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>
---
drivers/clk/sprd/pll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/sprd/pll.c b/drivers/clk/sprd/pll.c
index 15791484388f..13a322b2535a 100644
--- a/drivers/clk/sprd/pll.c
+++ b/drivers/clk/sprd/pll.c
@@ -106,7 +106,7 @@ static unsigned long _sprd_pll_recalc_rate(const struct sprd_pll *pll,
cfg = kcalloc(regs_num, sizeof(*cfg), GFP_KERNEL);
if (!cfg)
- return -ENOMEM;
+ return parent_rate;
for (i = 0; i < regs_num; i++)
cfg[i] = sprd_pll_read(pll, i);
--
2.20.1
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