RE: [PATCH v2 2/4] drivers: firmware: xilinx: Add ZynqMP firmware driver

From: Jolly Shah
Date: Wed Jan 24 2018 - 18:28:24 EST


Thanks for review Greg,

> -----Original Message-----
> From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx]
> Sent: Tuesday, January 23, 2018 12:38 AM
> 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@xxxxxxxxxx; robh+dt@xxxxxxxxxx;
> mark.rutland@xxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; Rajan Vaja
> <RAJANV@xxxxxxxxxx>; Jolly Shah <JOLLYS@xxxxxxxxxx>
> Subject: Re: [PATCH v2 2/4] drivers: firmware: xilinx: Add ZynqMP firmware
> driver
>
> On Wed, Jan 17, 2018 at 12:20:32PM -0800, Jolly Shah wrote:
> > This patch is adding communication layer with firmware.
> > Firmware driver provides an interface to firmware APIs.
> > Interface APIs can be used by any driver to communicate to
> > PMUFW(Platform Management Unit). All requests go through ATF.
> >
> > Signed-off-by: Jolly Shah <jollys@xxxxxxxxxx>
> > Signed-off-by: Rajan Vaja <rajanv@xxxxxxxxxx>
> > ---
> > arch/arm64/Kconfig.platforms | 1 +
> > drivers/firmware/Kconfig | 1 +
> > drivers/firmware/Makefile | 1 +
> > drivers/firmware/xilinx/Kconfig | 4 +
> > drivers/firmware/xilinx/Makefile | 4 +
> > drivers/firmware/xilinx/zynqmp/Kconfig | 16 +
> > drivers/firmware/xilinx/zynqmp/Makefile | 4 +
> > drivers/firmware/xilinx/zynqmp/firmware.c | 987
> ++++++++++++++++++++++++
> > include/linux/firmware/xilinx/zynqmp/firmware.h | 570 ++++++++++++++
>
> Why does this file need to be in include/linux/ at all? Shouldn't it just live in the
> driver-specific subdir?
>
> thanks,
>
> greg k-h

It is used by multiple drivers so can not live in driver specific subdir.

Thanks,
Jolly Shah