Re: [PATCH 2/5] reset: imx8mp-audiomix: Prepare the code for more reset bits

From: Daniel Baluta
Date: Wed Feb 19 2025 - 03:22:42 EST


On Tue, Feb 18, 2025 at 5:56 PM Frank Li <Frank.li@xxxxxxx> wrote:
>
> On Tue, Feb 18, 2025 at 10:57:09AM +0200, Daniel Baluta wrote:
> > Current code supports EARC PHY Software Reset and EARC Software
> > Reset but it is not easily extensible to more reset bits.
> >
> > So, refactor the code in order to easily allow more reset bits
> > in the future.
>
> Nit: wrap at 75 chars
>
> >
> > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
> > ---
> > drivers/reset/reset-imx8mp-audiomix.c | 53 ++++++++++++++++++++++-----
> > 1 file changed, 43 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
> > index 1fe21980a66c..6b1666c4e069 100644
> > --- a/drivers/reset/reset-imx8mp-audiomix.c
> > +++ b/drivers/reset/reset-imx8mp-audiomix.c
> > @@ -12,7 +12,30 @@
> > #include <linux/reset-controller.h>
> >
> > #define IMX8MP_AUDIOMIX_EARC_OFFSET 0x200
> > -#define IMX8MP_AUDIOMIX_EARC_RESET_MASK 0x3
> > +#define IMX8MP_AUDIOMIX_EARC_RESET_MASK 0x1
> > +#define IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK 0x2
> > +
> > +#define IMX8MP_AUDIOMIX_EARC 0
> > +#define IMX8MP_AUDIOMIX_EARC_PHY 1
>
>
> Does dt binding need such macro?
>
> If not, you can use enum.
> If yes, create binding header file for it.

Thanks Philipp, Peng and Frank for your comments. All are valid.

Will fix them in v2.