Re: [PATCH v8 3/8] i2c: rk3x: Remove redundant rk3x_i2c_clean_ipd()

From: Heiko Stuebner
Date: Wed May 11 2016 - 14:27:10 EST


Am Mittwoch, 11. Mai 2016, 03:24:07 schrieb David Wu:
> Call rk3x_i2c_setup() before rk3x_i2c_start()

That beginning of the sentence could use a tiny improvement, like

----
rk3x_i2c_setup() gets called directly before rk3x_i2c_start()
----

to make it obvious what happens in the code.

But a nice small improvement
Reviewed-by: Heiko Stuebner <heiko@xxxxxxxxx>

> and the last thing in setup was to clean the IPD,
> so no reason to do it at the beginning of start.
>
> Signed-off-by: David Wu <david.wu@xxxxxxxxxxxxxx>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> ---
> Change in v8:
> - none
>
> drivers/i2c/busses/i2c-rk3x.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> index 1e2677a..9eeb4e5 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -174,7 +174,6 @@ static void rk3x_i2c_start(struct rk3x_i2c *i2c)
> {
> u32 val;
>
> - rk3x_i2c_clean_ipd(i2c);
> i2c_writel(i2c, REG_INT_START, REG_IEN);
>
> /* enable adapter with correct mode, send START condition */