diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2019-02-05 13:58:41 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-02-08 22:27:18 +0100 |
| commit | 60c1d5605b67218cc600588af59260c0d1144495 (patch) | |
| tree | 9b54c950f490dd7e57525deb833ee4cf6610c115 /drivers/i2c | |
| parent | i2c: sh_mobile: use new clock calculation formulas for Gen2 (diff) | |
| download | linux-60c1d5605b67218cc600588af59260c0d1144495.tar.xz linux-60c1d5605b67218cc600588af59260c0d1144495.zip | |
i2c: gpio: merge two very similar comments
I think it is clear enough if we have the explanation once and make it
clear it is applicable for both SCL and SDA. Reword it a little with
the help of Simon's native language skills :)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-gpio.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 362d3b9dd3b6..2d532cc042f5 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -286,11 +286,11 @@ static int i2c_gpio_probe(struct platform_device *pdev) /* * First get the GPIO pins; if it fails, we'll defer the probe. - * If the SDA line is marked from platform data or device tree as - * "open drain" it means something outside of our control is making - * this line being handled as open drain, and we should just handle - * it as any other output. Else we enforce open drain as this is - * required for an I2C bus. + * If the SCL/SDA lines are marked "open drain" by platform data or + * device tree then this means that something outside of our control is + * marking these lines to be handled as open drain, and we should just + * handle them as we handle any other output. Else we enforce open + * drain as this is required for an I2C bus. */ if (pdata->sda_is_open_drain) gflags = GPIOD_OUT_HIGH; @@ -300,13 +300,6 @@ static int i2c_gpio_probe(struct platform_device *pdev) if (IS_ERR(priv->sda)) return PTR_ERR(priv->sda); - /* - * If the SCL line is marked from platform data or device tree as - * "open drain" it means something outside of our control is making - * this line being handled as open drain, and we should just handle - * it as any other output. Else we enforce open drain as this is - * required for an I2C bus. - */ if (pdata->scl_is_open_drain) gflags = GPIOD_OUT_HIGH; else |