RE: [PATCH v3 20/24] firmware: xilinx: Add APIs to read/write GGS/PGGS registers

From: Rajan Vaja
Date: Wed Mar 18 2020 - 08:41:51 EST


Hi Greg,

Thanks for applying patches and review.

Please see my comment inline.

> -----Original Message-----
> From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
> Sent: 18 March 2020 05:22 PM
> To: Jolly Shah <JOLLYS@xxxxxxxxxx>
> Cc: ard.biesheuvel@xxxxxxxxxx; mingo@xxxxxxxxxx; matt@xxxxxxxxxxxxxxxxxxx;
> sudeep.holla@xxxxxxx; hkallweit1@xxxxxxxxx; keescook@xxxxxxxxxxxx;
> dmitry.torokhov@xxxxxxxxx; Michal Simek <michals@xxxxxxxxxx>; Rajan Vaja
> <RAJANV@xxxxxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Rajan Vaja <RAJANV@xxxxxxxxxx>
> Subject: Re: [PATCH v3 20/24] firmware: xilinx: Add APIs to read/write GGS/PGGS
> registers
>
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>
> On Fri, Mar 06, 2020 at 03:47:28PM -0800, Jolly Shah wrote:
> > --- a/include/linux/firmware/xlnx-zynqmp.h
> > +++ b/include/linux/firmware/xlnx-zynqmp.h
> > @@ -105,6 +105,10 @@ enum pm_ioctl_id {
> > IOCTL_GET_PLL_FRAC_MODE,
> > IOCTL_SET_PLL_FRAC_DATA,
> > IOCTL_GET_PLL_FRAC_DATA,
> > + IOCTL_WRITE_GGS,
> > + IOCTL_READ_GGS,
> > + IOCTL_WRITE_PGGS,
> > + IOCTL_READ_PGGS,
>
> You do not have explicit numbers here? Bold :)
[Rajan] Here new IOCTL IDs are continuous so didn't mention explicit number.
Are asking for adding numbers like below:
enum pm_ioctl_id {
...
IOCTL_GET_PLL_FRAC_DATA = 11,
IOCTL_WRITE_GGS = 12,
....
}

Thanks,
Rajan
> greg k-h