diff options
| author | Alexey Romanov <[email protected]> | 2023-10-05 11:54:25 +0300 |
|---|---|---|
| committer | Neil Armstrong <[email protected]> | 2023-10-12 13:39:41 +0200 |
| commit | 80f45c3b3606ad68710223bcee596b06f86e1a3b (patch) | |
| tree | ffc77dd19116b99d761aee15564b0ea08806dc1a /drivers | |
| parent | 881714983eec3701f1617190f92c945a27e664a8 (diff) | |
phy: move clk enable/disable in init/exit
It is better to place clk_enable() in phy_meson_g12a_usb2_init()
and clk_disable() in phy_meson_g12a_usb2_exit().
For more detailed information, please see comments in the review of
a similar driver in the Linux Kernel:
https://lore.kernel.org/all/CAFBinCCEhobbyKHuKDWzTYCQWgNT1-e8=7hMhq1mvT6CuEOjGw@mail.gmail.com/
Signed-off-by: Alexey Romanov <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/phy/meson-g12a-usb2.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/phy/meson-g12a-usb2.c b/drivers/phy/meson-g12a-usb2.c index a803b6796cc..2ea0498f866 100644 --- a/drivers/phy/meson-g12a-usb2.c +++ b/drivers/phy/meson-g12a-usb2.c @@ -161,6 +161,14 @@ static int phy_meson_g12a_usb2_init(struct phy *phy) struct phy_meson_g12a_usb2_priv *priv = dev_get_priv(dev); int ret; +#if CONFIG_IS_ENABLED(CLK) + ret = clk_enable(&priv->clk); + if (ret && ret != -ENOSYS && ret != -ENOTSUPP) { + pr_err("failed to enable PHY clock\n"); + return ret; + } +#endif + ret = reset_assert(&priv->reset); udelay(1); ret |= reset_deassert(&priv->reset); @@ -253,6 +261,10 @@ static int phy_meson_g12a_usb2_exit(struct phy *phy) struct phy_meson_g12a_usb2_priv *priv = dev_get_priv(dev); int ret; +#if CONFIG_IS_ENABLED(CLK) + clk_disable(&priv->clk); +#endif + ret = reset_assert(&priv->reset); if (ret) return ret; @@ -290,13 +302,6 @@ int meson_g12a_usb2_phy_probe(struct udevice *dev) ret = clk_get_by_index(dev, 0, &priv->clk); if (ret < 0) return ret; - - ret = clk_enable(&priv->clk); - if (ret && ret != -ENOSYS && ret != -ENOTSUPP) { - pr_err("failed to enable PHY clock\n"); - clk_free(&priv->clk); - return ret; - } #endif return 0; |