Re: [PATCH 5/5] usb: chipidea: allow disabling glue drivers if EMBEDDED

From: Peter Chen
Date: Tue Apr 07 2020 - 21:41:50 EST


On 20-04-07 22:00:37, MichaÅ MirosÅaw wrote:
> On Tue, Apr 07, 2020 at 03:12:36AM +0000, Peter Chen wrote:
> > On 20-04-04 02:00:06, MichaÅ MirosÅaw wrote:
> > > Allow to cut down on driver size for embedded config.
> > >
> > > Signed-off-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
> > > ---
> > > drivers/usb/chipidea/Kconfig | 37 ++++++++++++++++++++++++-----------
> > > drivers/usb/chipidea/Makefile | 12 +++++-------
> > > 2 files changed, 31 insertions(+), 18 deletions(-)
> > >
> > > diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
> > > index d53db520e209..8bafcfc6080d 100644
> > > --- a/drivers/usb/chipidea/Kconfig
> > > +++ b/drivers/usb/chipidea/Kconfig
> > > @@ -18,17 +18,6 @@ config USB_CHIPIDEA
> > >
> > > if USB_CHIPIDEA
> > >
> > > -config USB_CHIPIDEA_OF
> > > - tristate
> > > - depends on OF
> > > - default USB_CHIPIDEA
> > > -
> > > -config USB_CHIPIDEA_PCI
> > > - tristate
> > > - depends on USB_PCI
> > > - depends on NOP_USB_XCEIV
> > > - default USB_CHIPIDEA
> > > -
> > > config USB_CHIPIDEA_UDC
> > > bool "ChipIdea device controller"
> > > depends on USB_GADGET
> > > @@ -43,4 +32,30 @@ config USB_CHIPIDEA_HOST
> > > help
> > > Say Y here to enable host controller functionality of the
> > > ChipIdea driver.
> > > +
> > > +config USB_CHIPIDEA_PCI
> > > + tristate "Enable PCI glue driver" if EMBEDDED
> [...]
> > Why depends on EMBEDDED for this driver? Not everyone needs this
> > configuration.
>
> This does not make the driver depend on EMBEDDED, only the prompts are.
> By default (without CONFIG_EMBEDDED) you will have all glue layers built
> if you enable the driver. I can remove the 'if EMBEDDED', but
> I suppose those options are only relevant for people building for
> resource-constrained systems, so would have EMBEDDED enabled anyway.
>

Make sense. I applied this series, thanks.

--

Thanks,
Peter Chen