[PATCH 2/2] clk: shmobile: clk-mstp: add backwards comapt for indices field
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Fri Mar 7 12:26:40 EST 2014
Hi Ben,
Thank you for the patch.
On Friday 07 March 2014 12:46:40 Ben Dooks wrote:
> Add comaptibiltiy for older device trees by checking to see if
> the clock-indices property is there and falling back to the
> older renesas,clock-indices field.
>
> This can be removed once all device-trees are converted.
>
> Signed-off-by: Ben Dooks <ben.dooks at codethink.co.uk>
> ---
> drivers/clk/shmobile/clk-mstp.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/shmobile/clk-mstp.c
> b/drivers/clk/shmobile/clk-mstp.c index 95a2aa7..fe63d40 100644
> --- a/drivers/clk/shmobile/clk-mstp.c
> +++ b/drivers/clk/shmobile/clk-mstp.c
> @@ -156,6 +156,7 @@ cpg_mstp_clock_register(const char *name, const char
> *parent_name, static void __init cpg_mstp_clocks_init(struct device_node
> *np)
> {
> struct mstp_clock_group *group;
> + const char *idxname;
> struct clk **clks;
> unsigned int i;
>
> @@ -184,6 +185,11 @@ static void __init cpg_mstp_clocks_init(struct
> device_node *np) for (i = 0; i < MSTP_MAX_CLOCKS; ++i)
> clks[i] = ERR_PTR(-ENOENT);
>
> + if (of_find_property(np, "clock-indices", &i))
You can leave the last argument NULL.
> + idxname = "clock-indices";
> + else
> + idxname = "renesas,clock-indices";
> +
> for (i = 0; i < MSTP_MAX_CLOCKS; ++i) {
> const char *parent_name;
> const char *name;
> @@ -197,8 +203,7 @@ static void __init cpg_mstp_clocks_init(struct
> device_node *np) continue;
>
> parent_name = of_clk_get_parent_name(np, i);
> - ret = of_property_read_u32_index(np, "clock-indices", i,
> - &clkidx);
> + ret = of_property_read_u32_index(np, idxname, i, &clkidx);
> if (parent_name == NULL || ret < 0)
> break;
--
Regards,
Laurent Pinchart
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