diff options
| author | Lukasz Majewski | 2019-06-24 15:50:44 +0200 |
|---|---|---|
| committer | Stefano Babic | 2019-07-19 14:50:30 +0200 |
| commit | 2796af7368acab27a6f9141cecba78106891f1bf (patch) | |
| tree | 46dc367d013f9617a3a794ba45a7f86242018184 /drivers/clk/clk-uclass.c | |
| parent | 4aa78300a025b7e09aa8e902b2178b1870ef1ec5 (diff) | |
dm: clk: Define clk_get_by_id() for clk operations
This commit adds the clk_get_by_id() function, which is responsible
for getting the udevice with matching clk->id. Such approach allows
re-usage of inherit DM list relationship for the same class (UCLASS_CLK).
As a result - we don't need any other external list - it is just enough
to look for UCLASS_CLK related udevices.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/clk/clk-uclass.c')
| -rw-r--r-- | drivers/clk/clk-uclass.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 899b2dda6f3..506ba6014c9 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -491,6 +491,28 @@ int clk_disable_bulk(struct clk_bulk *bulk) return 0; } +int clk_get_by_id(ulong id, struct clk **clkp) +{ + struct udevice *dev; + struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_CLK, &uc); + if (ret) + return ret; + + uclass_foreach_dev(dev, uc) { + struct clk *clk = dev_get_clk_ptr(dev); + + if (clk && clk->id == id) { + *clkp = clk; + return 0; + } + } + + return -ENOENT; +} + UCLASS_DRIVER(clk) = { .id = UCLASS_CLK, .name = "clk", |