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i2c: use DIV_ROUND_UP macro to do calculation

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Don't open-code DIV_ROUND_UP() kernel macro.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Zheng Yongjun 2020-12-22 21:31:31 +08:00 committed by Wolfram Sang
parent 2478b9c1dc
commit 9d64834b2a
1 changed files with 3 additions and 3 deletions
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6
drivers/i2c/busses/i2c-imx.c
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@ -537,7 +537,7 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
i2c_imx->cur_clk = i2c_clk_rate;
div = (i2c_clk_rate + i2c_imx->bitrate - 1) / i2c_imx->bitrate;
div = DIV_ROUND_UP(i2c_clk_rate, i2c_imx->bitrate);
if (div < i2c_clk_div[0].div)
i = 0;
else if (div > i2c_clk_div[i2c_imx->hwdata->ndivs - 1].div)
@ -555,8 +555,8 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
* This delay is used in I2C bus disable function
* to fix chip hardware bug.
*/
i2c_imx->disable_delay = (500000U * i2c_clk_div[i].div
+ (i2c_clk_rate / 2) - 1) / (i2c_clk_rate / 2);
i2c_imx->disable_delay = DIV_ROUND_UP(500000U * i2c_clk_div[i].div,
i2c_clk_rate / 2);
#ifdef CONFIG_I2C_DEBUG_BUS
dev_dbg(&i2c_imx->adapter.dev, "I2C_CLK=%d, REQ DIV=%d\n",