[PATCH v4 1/3] i2c: mv64xxx: Remove useless test before clk_disable_unprepare
Wolfram Sang
wsa at the-dreams.de
Fri Jan 26 09:40:08 PST 2018
On Tue, Jan 16, 2018 at 05:35:38PM +0100, Gregory CLEMENT wrote:
> The 2 functions called from clk_disable_unprepare() already check that
> the clock pointer is valid: no need to test it before calling it.
I can't find that in the code for !OF?
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> ---
> drivers/i2c/busses/i2c-mv64xxx.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
> index a832c45276a4..f69066266faa 100644
> --- a/drivers/i2c/busses/i2c-mv64xxx.c
> +++ b/drivers/i2c/busses/i2c-mv64xxx.c
> @@ -950,9 +950,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
> exit_reset:
> reset_control_assert(drv_data->rstc);
> exit_clk:
> - /* Not all platforms have a clk */
> - if (!IS_ERR(drv_data->clk))
> - clk_disable_unprepare(drv_data->clk);
> + clk_disable_unprepare(drv_data->clk);
>
> return rc;
> }
> @@ -965,9 +963,7 @@ mv64xxx_i2c_remove(struct platform_device *dev)
> i2c_del_adapter(&drv_data->adapter);
> free_irq(drv_data->irq, drv_data);
> reset_control_assert(drv_data->rstc);
> - /* Not all platforms have a clk */
> - if (!IS_ERR(drv_data->clk))
> - clk_disable_unprepare(drv_data->clk);
> + clk_disable_unprepare(drv_data->clk);
>
> return 0;
> }
> --
> 2.15.1
>
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