diff options
| author | Sam Shih <[email protected]> | 2026-04-16 16:23:05 +0800 |
|---|---|---|
| committer | David Lechner <[email protected]> | 2026-04-17 17:05:54 -0500 |
| commit | 374cb8a28840e54f70463ab6829eb641ab6cdc9f (patch) | |
| tree | 43dc28d14fa800bc0965628fdb492685806d70da | |
| parent | ad3ea453d8eddd09d924b7fb8ae054ff8f290abb (diff) | |
clk: mediatek: add grandparent variable in mtk_find_parent_rate()
Add grandparent device variable in mtk_find_parent_rate() to allow
the grandparent device being reused instead of calling
dev_get_parent(priv->parent) multiple times.
Signed-off-by: Sam Shih <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
Link: https://patch.msgid.link/726ccc71593f6c224c13142a0bd4a9f6f0f81445.1776326933.git.weijie.gao@mediatek.com
Signed-off-by: David Lechner <[email protected]>
| -rw-r--r-- | drivers/clk/mediatek/clk-mtk.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index d405eeab6f2..a74c039b9d1 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -217,17 +217,20 @@ static ulong mtk_find_parent_rate(struct mtk_clk_priv *priv, struct clk *clk, case CLK_PARENT_APMIXED: /* APMIXEDSYS can be parent or grandparent. */ if (dev_get_driver_ops(clk->dev) == &mtk_clk_apmixedsys_ops || - dev_get_driver_ops(clk->dev) == &mtk_clk_fixed_pll_ops) + dev_get_driver_ops(clk->dev) == &mtk_clk_fixed_pll_ops) { parent_dev = clk->dev; - else if (dev_get_driver_ops(priv->parent) == &mtk_clk_apmixedsys_ops || - dev_get_driver_ops(priv->parent) == &mtk_clk_fixed_pll_ops) + } else if (dev_get_driver_ops(priv->parent) == &mtk_clk_apmixedsys_ops || + dev_get_driver_ops(priv->parent) == &mtk_clk_fixed_pll_ops) { parent_dev = priv->parent; - else if (dev_get_driver_ops(dev_get_parent(priv->parent)) == &mtk_clk_apmixedsys_ops || - dev_get_driver_ops(dev_get_parent(priv->parent)) == &mtk_clk_fixed_pll_ops) - parent_dev = dev_get_parent(priv->parent); - else - return -EINVAL; - + } else { + struct udevice *grandparent_dev = dev_get_parent(priv->parent); + + if (dev_get_driver_ops(grandparent_dev) == &mtk_clk_apmixedsys_ops || + dev_get_driver_ops(grandparent_dev) == &mtk_clk_fixed_pll_ops) + parent_dev = grandparent_dev; + else + return -EINVAL; + } break; case CLK_PARENT_TOPCKGEN: if (dev_get_driver_ops(clk->dev) == &mtk_clk_topckgen_ops) |