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SubjectRe: [PATCH v6 06/10] pwm: dwc: split pci out of core driver
Hello,

On Thu, Nov 10, 2022 at 04:35:56PM +0000, Ben Dooks wrote:
> On 10/11/2022 15:29, Uwe Kleine-König wrote:
> > On Thu, Oct 20, 2022 at 04:16:06PM +0100, Ben Dooks wrote:
> > > Moving towards adding non-pci support for the driver, move the pci
> > > parts out of the core into their own module. This is partly due to
> > > the module_driver() code only being allowed once in a module and also
> > > to avoid a number of #ifdef if we build a single file in a system
> > > without pci support.
> > >
> > > Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
> > > ---
> > > v6:
> > > - put DWC_PERIOD_NS back to avoid bisect issues
> > > v4:
> > > - removed DWC_PERIOD_NS as not needed
> > > ---
> > > drivers/pwm/Kconfig | 14 +++-
> > > drivers/pwm/Makefile | 1 +
> > > drivers/pwm/pwm-dwc-pci.c | 133 ++++++++++++++++++++++++++++++++
> > > drivers/pwm/pwm-dwc.c | 158 +-------------------------------------
> > > drivers/pwm/pwm-dwc.h | 58 ++++++++++++++
> > > 5 files changed, 207 insertions(+), 157 deletions(-)
> > > create mode 100644 drivers/pwm/pwm-dwc-pci.c
> > > create mode 100644 drivers/pwm/pwm-dwc.h
> > >
> > > diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> > > index 3f3c53af4a56..a9f1c554db2b 100644
> > > --- a/drivers/pwm/Kconfig
> > > +++ b/drivers/pwm/Kconfig
> > > @@ -175,15 +175,23 @@ config PWM_CROS_EC
> > > Controller.
> > > config PWM_DWC
> > > - tristate "DesignWare PWM Controller"
> > > - depends on PCI || COMPILE_TEST
> > > + tristate "DesignWare PWM Controller core"
> > > depends on HAS_IOMEM
> > > help
> > > - PWM driver for Synopsys DWC PWM Controller attached to a PCI bus.
> > > + PWM driver for Synopsys DWC PWM Controller.
> >
> > Currently pwm-dwc doesn't contain a driver but is only a library used by
> > pwm-dwc-pci (and later the of driver). As such it doesn't make sense to
> > be user-selectible, does it?
>
> I suppose the PWM_DWC should select the original driver an a new
> PWM_DW_CORE should build the actual core driver.

Sounds about right.

I will discard the complete v6 series from the PWM patchwork in the
expectation that you will send a new round with all patches.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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