linux-kernel - Re: [PATCH v2] soc: add aspeed folder and misc drivers

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Message-ID: <CAO=notz9QVoqKLrhJ3kx9FHja5+Mh68f36O36+1ewLG+SanmOA@mail.gmail.com>
Date:   Tue, 23 Apr 2019 08:28:14 -0700
From:   Patrick Venture <venture@...gle.com>
To:     Patrick Venture <venture@...gle.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg KH <gregkh@...uxfoundation.org>,
        Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-aspeed@...ts.ozlabs.org, arm-soc <arm@...nel.org>,
        soc@...nel.org
Subject: Re: [PATCH v2] soc: add aspeed folder and misc drivers

On Tue, Apr 23, 2019 at 8:22 AM Patrick Venture <venture@...gle.com> wrote:
>
> On Tue, Apr 23, 2019 at 7:26 AM Patrick Venture <venture@...gle.com> wrote:
> >
> > Create a SoC folder for the ASPEED parts and place the misc drivers
> > currently present into this folder.  These drivers are not generic part
> > drivers, but rather only apply to the ASPEED SoCs.
> >
> > Signed-off-by: Patrick Venture <venture@...gle.com>
>
> Accidentally lost the Acked-by when re-sending this patchset as I
> didn't see it on v1 before re-sending v2 to the larger audience.

Since there was a change between v1 and v2, Arnd, I'd appreciate you
Ack this version of the patchset since it changes when the soc/aspeed
Makefile is followed.

>
> > ---
> > v2:
> >  Added configuration option for ASPEED to soc/Makefile
> > ---
> >  drivers/misc/Kconfig                          | 16 ----------------
> >  drivers/misc/Makefile                         |  2 --
> >  drivers/soc/Kconfig                           |  1 +
> >  drivers/soc/Makefile                          |  1 +
> >  drivers/soc/aspeed/Kconfig                    | 19 +++++++++++++++++++
> >  drivers/soc/aspeed/Makefile                   |  2 ++
> >  .../{misc => soc/aspeed}/aspeed-lpc-ctrl.c    |  0
> >  .../{misc => soc/aspeed}/aspeed-lpc-snoop.c   |  0
> >  8 files changed, 23 insertions(+), 18 deletions(-)
> >  create mode 100644 drivers/soc/aspeed/Kconfig
> >  create mode 100644 drivers/soc/aspeed/Makefile
> >  rename drivers/{misc => soc/aspeed}/aspeed-lpc-ctrl.c (100%)
> >  rename drivers/{misc => soc/aspeed}/aspeed-lpc-snoop.c (100%)
> >
> > diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> > index 42ab8ec92a04..b80cb6af0cb4 100644
> > --- a/drivers/misc/Kconfig
> > +++ b/drivers/misc/Kconfig
> > @@ -496,22 +496,6 @@ config VEXPRESS_SYSCFG
> >           bus. System Configuration interface is one of the possible means
> >           of generating transactions on this bus.
> >
> > -config ASPEED_LPC_CTRL
> > -       depends on (ARCH_ASPEED || COMPILE_TEST) && REGMAP && MFD_SYSCON
> > -       tristate "Aspeed ast2400/2500 HOST LPC to BMC bridge control"
> > -       ---help---
> > -         Control Aspeed ast2400/2500 HOST LPC to BMC mappings through
> > -         ioctl()s, the driver also provides a read/write interface to a BMC ram
> > -         region where the host LPC read/write region can be buffered.
> > -
> > -config ASPEED_LPC_SNOOP
> > -       tristate "Aspeed ast2500 HOST LPC snoop support"
> > -       depends on (ARCH_ASPEED || COMPILE_TEST) && REGMAP && MFD_SYSCON
> > -       help
> > -         Provides a driver to control the LPC snoop interface which
> > -         allows the BMC to listen on and save the data written by
> > -         the host to an arbitrary LPC I/O port.
> > -
> >  config PCI_ENDPOINT_TEST
> >         depends on PCI
> >         select CRC32
> > diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
> > index d5b7d3404dc7..b9affcdaa3d6 100644
> > --- a/drivers/misc/Makefile
> > +++ b/drivers/misc/Makefile
> > @@ -54,8 +54,6 @@ obj-$(CONFIG_GENWQE)          += genwqe/
> >  obj-$(CONFIG_ECHO)             += echo/
> >  obj-$(CONFIG_VEXPRESS_SYSCFG)  += vexpress-syscfg.o
> >  obj-$(CONFIG_CXL_BASE)         += cxl/
> > -obj-$(CONFIG_ASPEED_LPC_CTRL)  += aspeed-lpc-ctrl.o
> > -obj-$(CONFIG_ASPEED_LPC_SNOOP) += aspeed-lpc-snoop.o
> >  obj-$(CONFIG_PCI_ENDPOINT_TEST)        += pci_endpoint_test.o
> >  obj-$(CONFIG_OCXL)             += ocxl/
> >  obj-y                          += cardreader/
> > diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig
> > index c07b4a85253f..b750a88547c7 100644
> > --- a/drivers/soc/Kconfig
> > +++ b/drivers/soc/Kconfig
> > @@ -2,6 +2,7 @@ menu "SOC (System On Chip) specific Drivers"
> >
> >  source "drivers/soc/actions/Kconfig"
> >  source "drivers/soc/amlogic/Kconfig"
> > +source "drivers/soc/aspeed/Kconfig"
> >  source "drivers/soc/atmel/Kconfig"
> >  source "drivers/soc/bcm/Kconfig"
> >  source "drivers/soc/fsl/Kconfig"
> > diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
> > index 90b686e586c6..814128fe479f 100644
> > --- a/drivers/soc/Makefile
> > +++ b/drivers/soc/Makefile
> > @@ -4,6 +4,7 @@
> >  #
> >
> >  obj-$(CONFIG_ARCH_ACTIONS)     += actions/
> > +obj-$(CONFIG_ARCH_ASPEED)      += aspeed/
> >  obj-$(CONFIG_ARCH_AT91)                += atmel/
> >  obj-y                          += bcm/
> >  obj-$(CONFIG_ARCH_DOVE)                += dove/
> > diff --git a/drivers/soc/aspeed/Kconfig b/drivers/soc/aspeed/Kconfig
> > new file mode 100644
> > index 000000000000..457282cd1da5
> > --- /dev/null
> > +++ b/drivers/soc/aspeed/Kconfig
> > @@ -0,0 +1,19 @@
> > +menu "Aspeed SoC drivers"
> > +
> > +config ASPEED_LPC_CTRL
> > +       depends on (ARCH_ASPEED || COMPILE_TEST) && REGMAP && MFD_SYSCON
> > +       tristate "Aspeed ast2400/2500 HOST LPC to BMC bridge control"
> > +       ---help---
> > +         Control Aspeed ast2400/2500 HOST LPC to BMC mappings through
> > +         ioctl()s, the driver also provides a read/write interface to a BMC ram
> > +         region where the host LPC read/write region can be buffered.
> > +
> > +config ASPEED_LPC_SNOOP
> > +       tristate "Aspeed ast2500 HOST LPC snoop support"
> > +       depends on (ARCH_ASPEED || COMPILE_TEST) && REGMAP && MFD_SYSCON
> > +       help
> > +         Provides a driver to control the LPC snoop interface which
> > +         allows the BMC to listen on and save the data written by
> > +         the host to an arbitrary LPC I/O port.
> > +
> > +
> > diff --git a/drivers/soc/aspeed/Makefile b/drivers/soc/aspeed/Makefile
> > new file mode 100644
> > index 000000000000..cfaa9adc67b5
> > --- /dev/null
> > +++ b/drivers/soc/aspeed/Makefile
> > @@ -0,0 +1,2 @@
> > +obj-$(CONFIG_ASPEED_LPC_CTRL)  += aspeed-lpc-ctrl.o
> > +obj-$(CONFIG_ASPEED_LPC_SNOOP) += aspeed-lpc-snoop.o
> > diff --git a/drivers/misc/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
> > similarity index 100%
> > rename from drivers/misc/aspeed-lpc-ctrl.c
> > rename to drivers/soc/aspeed/aspeed-lpc-ctrl.c
> > diff --git a/drivers/misc/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c
> > similarity index 100%
> > rename from drivers/misc/aspeed-lpc-snoop.c
> > rename to drivers/soc/aspeed/aspeed-lpc-snoop.c
> > --
> > 2.21.0.593.g511ec345e18-goog
> >