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| author | Clark Wang <xiaoning.wang@nxp.com> | 2023-05-29 16:02:51 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-28 10:15:32 +0200 |
| commit | 2c76c3af30d2f042a58186119760e02bd9091c86 (patch) | |
| tree | 249cfde24a2b08c4ba90b850d179eda4815a0837 | |
| parent | 6f639f6ad1796d291f5e0ea4bd5a47968c9c1f81 (diff) | |
| download | exynos-2c76c3af30d2f042a58186119760e02bd9091c86.tar.gz | |
i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle
[ Upstream commit e69b9bc170c6d93ee375a5cbfd15f74c0fb59bdd ]
Claim clkhi and clklo as integer type to avoid possible calculation
errors caused by data overflow.
Fixes: a55fa9d0e42e ("i2c: imx-lpi2c: add low power i2c bus driver")
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-imx-lpi2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index f494b2749700..a4f90796032b 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -206,8 +206,8 @@ static void lpi2c_imx_stop(struct lpi2c_imx_struct *lpi2c_imx) /* CLKLO = I2C_CLK_RATIO * CLKHI, SETHOLD = CLKHI, DATAVD = CLKHI/2 */ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) { - u8 prescale, filt, sethold, clkhi, clklo, datavd; - unsigned int clk_rate, clk_cycle; + u8 prescale, filt, sethold, datavd; + unsigned int clk_rate, clk_cycle, clkhi, clklo; enum lpi2c_imx_pincfg pincfg; unsigned int temp; |