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authorChanwoo Choi <cw00.choi@samsung.com>2014-12-23 16:40:21 +0900
committerSylwester Nawrocki <s.nawrocki@samsung.com>2014-12-23 14:24:59 +0100
commit151d4d35f9674cf5c37e870e952c22dc04cc649d (patch)
tree09a8abffc3a694c1640b7dbd095c39b7772e3d36 /drivers/clk/samsung/clk.c
parent97bf6af1f928216fd6c5a66e8a57bfa95a659672 (diff)
downloadlinux-151d4d35f9674cf5c37e870e952c22dc04cc649d.tar.bz2
clk: samsung: Change the return value of samsung_cmu_register_one()
This patch changes the return value of samsung_cmu_register_one() from 'void' to 'samsung_clk_provider structure' pointer type because samsung_clk_provider may be used in each clock driver. Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Diffstat (limited to 'drivers/clk/samsung/clk.c')
-rw-r--r--drivers/clk/samsung/clk.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index 4bda54095a16..9e1f88c04fd4 100644
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c
@@ -374,19 +374,24 @@ static void samsung_clk_sleep_init(void __iomem *reg_base,
* Common function which registers plls, muxes, dividers and gates
* for each CMU. It also add CMU register list to register cache.
*/
-void __init samsung_cmu_register_one(struct device_node *np,
+struct samsung_clk_provider * __init samsung_cmu_register_one(
+ struct device_node *np,
struct samsung_cmu_info *cmu)
{
void __iomem *reg_base;
struct samsung_clk_provider *ctx;
reg_base = of_iomap(np, 0);
- if (!reg_base)
+ if (!reg_base) {
panic("%s: failed to map registers\n", __func__);
+ return NULL;
+ }
ctx = samsung_clk_init(np, reg_base, cmu->nr_clk_ids);
- if (!ctx)
+ if (!ctx) {
panic("%s: unable to alllocate ctx\n", __func__);
+ return ctx;
+ }
if (cmu->pll_clks)
samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks,
@@ -410,4 +415,6 @@ void __init samsung_cmu_register_one(struct device_node *np,
cmu->nr_clk_regs);
samsung_clk_of_add_provider(np, ctx);
+
+ return ctx;
}