diff options
Diffstat (limited to 'drivers/clk/clk-uclass.c')
| -rw-r--r-- | drivers/clk/clk-uclass.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 3d2344f009e..cac0f6a0122 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -207,7 +207,8 @@ static struct clk *clk_set_default_get_by_id(struct clk *clk) return c; } -static int clk_set_default_parents(struct udevice *dev, int stage) +static int clk_set_default_parents(struct udevice *dev, + enum clk_defaults_stage stage) { struct clk clk, parent_clk, *c, *p; int index; @@ -260,10 +261,10 @@ static int clk_set_default_parents(struct udevice *dev, int stage) * It cannot be done right now but need to wait after the * device is probed */ - if (stage == 0 && clk.dev == dev) + if (stage == CLK_DEFAULTS_PRE && clk.dev == dev) continue; - if (stage > 0 && clk.dev != dev) + if (stage != CLK_DEFAULTS_PRE && clk.dev != dev) /* do not setup twice the parent clocks */ continue; @@ -289,7 +290,8 @@ static int clk_set_default_parents(struct udevice *dev, int stage) return 0; } -static int clk_set_default_rates(struct udevice *dev, int stage) +static int clk_set_default_rates(struct udevice *dev, + enum clk_defaults_stage stage) { struct clk clk, *c; int index; @@ -338,10 +340,10 @@ static int clk_set_default_rates(struct udevice *dev, int stage) * It cannot be done right now but need to wait after the * device is probed */ - if (stage == 0 && clk.dev == dev) + if (stage == CLK_DEFAULTS_PRE && clk.dev == dev) continue; - if (stage > 0 && clk.dev != dev) + if (stage != CLK_DEFAULTS_PRE && clk.dev != dev) /* do not setup twice the parent clocks */ continue; @@ -364,16 +366,21 @@ fail: return ret; } -int clk_set_defaults(struct udevice *dev, int stage) +int clk_set_defaults(struct udevice *dev, enum clk_defaults_stage stage) { int ret; if (!dev_has_ofnode(dev)) return 0; - /* If this not in SPL and pre-reloc state, don't take any action. */ + /* + * To avoid setting defaults twice, don't set them before relocation. + * However, still set them for SPL. And still set them if explicitly + * asked. + */ if (!(IS_ENABLED(CONFIG_SPL_BUILD) || (gd->flags & GD_FLG_RELOC))) - return 0; + if (stage != CLK_DEFAULTS_POST_FORCE) + return 0; debug("%s(%s)\n", __func__, dev_read_name(dev)); @@ -844,7 +851,7 @@ int clk_uclass_post_probe(struct udevice *dev) * where the DT is used to setup default parents and rates * using assigned-clocks */ - clk_set_defaults(dev, 1); + clk_set_defaults(dev, CLK_DEFAULTS_POST); return 0; } |