[PATCH 2/2] clk: shmobile: clk-mstp: add backwards comapt for indices field
Ben Dooks
ben.dooks at codethink.co.uk
Fri Mar 7 07:46:40 EST 2014
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))
+ 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;
--
1.9.0
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