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SubjectRe: [PATCH 02/16] bus: mhi: core: Add support for registering MHI controllers
On Thu, Jan 23, 2020 at 10:05:50AM -0700, Jeffrey Hugo wrote:
> On 1/23/2020 4:18 AM, Manivannan Sadhasivam wrote:
> > This commit adds support for registering MHI controller drivers with
> > the MHI stack. MHI controller drivers manages the interaction with the
> > MHI client devices such as the external modems and WiFi chipsets. They
> > are also the MHI bus master in charge of managing the physical link
> > between the host and client device.
> >
> > This is based on the patch submitted by Sujeev Dias:
> > https://lkml.org/lkml/2018/7/9/987
> >
> > Signed-off-by: Sujeev Dias <sdias@codeaurora.org>
> > Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
> > [jhugo: added static config for controllers and fixed several bugs]
> > Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
> > [mani: removed DT dependency, splitted and cleaned up for upstream]
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> > drivers/bus/Kconfig | 1 +
> > drivers/bus/Makefile | 3 +
> > drivers/bus/mhi/Kconfig | 14 +
> > drivers/bus/mhi/Makefile | 2 +
> > drivers/bus/mhi/core/Makefile | 3 +
> > drivers/bus/mhi/core/init.c | 404 +++++++++++++++++++++++++++++
> > drivers/bus/mhi/core/internal.h | 169 ++++++++++++
> > include/linux/mhi.h | 438 ++++++++++++++++++++++++++++++++
> > include/linux/mod_devicetable.h | 12 +
> > 9 files changed, 1046 insertions(+)
> > create mode 100644 drivers/bus/mhi/Kconfig
> > create mode 100644 drivers/bus/mhi/Makefile
> > create mode 100644 drivers/bus/mhi/core/Makefile
> > create mode 100644 drivers/bus/mhi/core/init.c
> > create mode 100644 drivers/bus/mhi/core/internal.h
> > create mode 100644 include/linux/mhi.h
> >
> > diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
> > index 50200d1c06ea..383934e54786 100644
> > --- a/drivers/bus/Kconfig
> > +++ b/drivers/bus/Kconfig
> > @@ -202,5 +202,6 @@ config DA8XX_MSTPRI
> > peripherals.
> > source "drivers/bus/fsl-mc/Kconfig"
> > +source "drivers/bus/mhi/Kconfig"
> > endmenu
> > diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile
> > index 1320bcf9fa9d..05f32cd694a4 100644
> > --- a/drivers/bus/Makefile
> > +++ b/drivers/bus/Makefile
> > @@ -34,3 +34,6 @@ obj-$(CONFIG_UNIPHIER_SYSTEM_BUS) += uniphier-system-bus.o
> > obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress-config.o
> > obj-$(CONFIG_DA8XX_MSTPRI) += da8xx-mstpri.o
> > +
> > +# MHI
> > +obj-$(CONFIG_MHI_BUS) += mhi/
> > diff --git a/drivers/bus/mhi/Kconfig b/drivers/bus/mhi/Kconfig
> > new file mode 100644
> > index 000000000000..a8bd9bd7db7c
> > --- /dev/null
> > +++ b/drivers/bus/mhi/Kconfig
> > @@ -0,0 +1,14 @@
> > +# SPDX-License-Identifier: GPL-2.0
>
> first time I noticed this, although I suspect this will need to be corrected
> "everywhere" -
> Per the SPDX website, the "GPL-2.0" label is deprecated. It's replacement
> is "GPL-2.0-only".
> I think all instances should be updated to "GPL-2.0-only"

No, it is fine, please read Documentation/process/license-rules.rst

thanks,

greg k-h

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