Re: [PATCH] clk: gpio: Really allow an optional clock= DT property
From: Michael Turquette
Date: Fri Feb 19 2016 - 11:19:28 EST
On Thu, Feb 18, 2016 at 7:12 PM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote:
>
> We mis-merged the original patch from Russell here and so the
> patch went almost all the way, except that we still failed to
> probe when there wasn't a clocks property in the DT node. Allow
> that case by making a negative value from
> of_clk_get_parent_count() into "no parents", like the original
> patch did.
>
> Fixes: 7ed88aa2efa5 ("clk: fix clk-gpio.c with optional clock= DT property")
> Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Ack.
Regards,
Mike
> ---
> drivers/clk/clk-gpio.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
> index 19fed65587e8..7b09a265d79f 100644
> --- a/drivers/clk/clk-gpio.c
> +++ b/drivers/clk/clk-gpio.c
> @@ -289,7 +289,7 @@ static void __init of_gpio_clk_setup(struct device_node *node,
>
> num_parents = of_clk_get_parent_count(node);
> if (num_parents < 0)
> - return;
> + num_parents = 0;
>
> data = kzalloc(sizeof(*data), GFP_KERNEL);
> if (!data)
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
--
Michael Turquette
CEO
BayLibre - At the Heart of Embedded Linux
http://baylibre.com/