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SubjectRe: [PATCH v4 1/7] net-next: stmmac: dwmac-mediatek: add platform level clocks management
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Dear Angelo,
Thanks for your comments~

On Mon, 2021-12-06 at 16:14 +0100, AngeloGioacchino Del Regno wrote:
> Il 03/12/21 07:34, Biao Huang ha scritto:
> > This patch implements clks_config callback for dwmac-mediatek
> > platform,
> > which could support platform level clocks management.
> >
> > Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> > ---
> > .../ethernet/stmicro/stmmac/dwmac-mediatek.c | 24
> > ++++++++++++++-----
> > 1 file changed, 18 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> > b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> > index 58c0feaa8131..157ff655c85e 100644
> > --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> > +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> > @@ -359,9 +359,6 @@ static int mediatek_dwmac_init(struct
> > platform_device *pdev, void *priv)
> > return ret;
> > }
> >
> > - pm_runtime_enable(&pdev->dev);
> > - pm_runtime_get_sync(&pdev->dev);
> > -
> > return 0;
> > }
> >
> > @@ -370,11 +367,25 @@ static void mediatek_dwmac_exit(struct
> > platform_device *pdev, void *priv)
> > struct mediatek_dwmac_plat_data *plat = priv;
> >
> > clk_bulk_disable_unprepare(plat->num_clks_to_config, plat-
> > >clks);
> > -
> > - pm_runtime_put_sync(&pdev->dev);
> > - pm_runtime_disable(&pdev->dev);
> > }
> >
> > +static int mediatek_dwmac_clks_config(void *priv, bool enabled)
> > +{
> > + struct mediatek_dwmac_plat_data *plat = priv;
> > + int ret = 0;
> > +
> > + if (enabled) {
> > + ret = clk_bulk_prepare_enable(plat->num_clks_to_config,
> > plat->clks);
> > + if (ret) {
> > + dev_err(plat->dev, "failed to enable clks, err
> > = %d\n", ret);
> > + return ret;
> > + }
> > + } else {
> > + clk_bulk_disable_unprepare(plat->num_clks_to_config,
> > plat->clks);
> > + }
> > +
> > + return ret;
> > +}
> > static int mediatek_dwmac_probe(struct platform_device *pdev)
> > {
> > struct mediatek_dwmac_plat_data *priv_plat;
> > @@ -420,6 +431,7 @@ static int mediatek_dwmac_probe(struct
> > platform_device *pdev)
> > plat_dat->bsp_priv = priv_plat;
> > plat_dat->init = mediatek_dwmac_init;
> > plat_dat->exit = mediatek_dwmac_exit;
> > + plat_dat->clks_config = mediatek_dwmac_clks_config;
> > mediatek_dwmac_init(pdev, priv_plat);
> >
> > ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
> >
>
> Hello Biao,
>
> you're removing all calls to pm_runtime_* functions, so there is no
> more reason
> to include linux/pm_runtime.h in this file: please also remove the
> inclusion.
>
> Thanks!
Yes, I'll remove the inclusion in the next send.
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