[V4,04/11] clk: imx: scu: bypass cpu power domains
diff mbox series

Message ID 1566299605-15641-5-git-send-email-aisheng.dong@nxp.com
State New
Headers show
Series
  • clk: imx8: add new clock binding for better pm support
Related show

Commit Message

Aisheng Dong Aug. 20, 2019, 11:13 a.m. UTC
Bypass cpu power domains which are owned by ATF.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
ChangeLog:
v4: no changes
v3: new patch
---
 drivers/clk/imx/clk-scu.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Stephen Boyd Sept. 6, 2019, 5:07 p.m. UTC | #1
Quoting Dong Aisheng (2019-08-20 04:13:18)
> diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
> index 48bfb08..5f935b1 100644
> --- a/drivers/clk/imx/clk-scu.c
> +++ b/drivers/clk/imx/clk-scu.c
> @@ -479,6 +479,10 @@ static int imx_clk_scu_attach_pd(struct device *dev, u32 rsrc_id)
>                 .args[0] = rsrc_id,
>         };
>  
> +       if ((rsrc_id == IMX_SC_R_A35) || (rsrc_id == IMX_SC_R_A53) ||
> +           (rsrc_id == IMX_SC_R_A72))

Please drop the extra parenthesis. It makes it hard to read.

> +               return 0;
> +
>         return of_genpd_add_device(&genpdspec, dev);
Dong Aisheng Sept. 9, 2019, 10:24 a.m. UTC | #2
On Sat, Sep 7, 2019 at 5:28 PM Stephen Boyd <sboyd@kernel.org> wrote:
>
> Quoting Dong Aisheng (2019-08-20 04:13:18)
> > diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
> > index 48bfb08..5f935b1 100644
> > --- a/drivers/clk/imx/clk-scu.c
> > +++ b/drivers/clk/imx/clk-scu.c
> > @@ -479,6 +479,10 @@ static int imx_clk_scu_attach_pd(struct device *dev, u32 rsrc_id)
> >                 .args[0] = rsrc_id,
> >         };
> >
> > +       if ((rsrc_id == IMX_SC_R_A35) || (rsrc_id == IMX_SC_R_A53) ||
> > +           (rsrc_id == IMX_SC_R_A72))
>
> Please drop the extra parenthesis. It makes it hard to read.
>

Will drop it, thx

Regards
Aisheng

> > +               return 0;
> > +
> >         return of_genpd_add_device(&genpdspec, dev);

Patch
diff mbox series

diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 48bfb08..5f935b1 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -479,6 +479,10 @@  static int imx_clk_scu_attach_pd(struct device *dev, u32 rsrc_id)
 		.args[0] = rsrc_id,
 	};
 
+	if ((rsrc_id == IMX_SC_R_A35) || (rsrc_id == IMX_SC_R_A53) ||
+	    (rsrc_id == IMX_SC_R_A72))
+		return 0;
+
 	return of_genpd_add_device(&genpdspec, dev);
 }