Re: [PATCH v3 5/6] mfd: ahc1ec0-hwmon: Add sub-device hwmon for Advantech embedded controller

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On Mon, 02 Nov 2020, Shihlun.Lin wrote:

> Hi Lee,
> 
> Thank you for your time for checking my submission.
> 
> > On Thu, 29 Oct 2020, Shihlun Lin wrote:
> > 
> > > This is one of sub-device driver for Advantech embedded controller
> > > AHC1EC0. This driver provides sysfs ABI for Advantech related
> > > applications to monitor the system status.
> > >
> > > Signed-off-by: Shihlun Lin <shihlun.lin@xxxxxxxxxxxxxxxx>
> > > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > 
> > LKP reported that your driver needed upstreaming?
> > 
> > I'm confused!
> > 
> 
> When I submitted the driver first time, LKP reported some warning to me and ask me to add the tag.
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> Link: https://www.spinics.net/lists/kernel/msg3698194.html

That would only be for the fix.

Having a test robot report a missing driver seems odd.

> > > ---
> > >  drivers/mfd/Kconfig         |    8 +
> > >  drivers/mfd/Makefile        |    1 +
> > >  drivers/mfd/ahc1ec0-hwmon.c | 1514
> > +++++++++++++++++++++++++++++++++++
> > 
> > This obviously belongs in drivers/hwmon.
> > 
> 
> Thank you so much, I will do it.
> 
> > >  3 files changed, 1523 insertions(+)
> > >  create mode 100644 drivers/mfd/ahc1ec0-hwmon.c
> > >
> > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > > index 965bcafbe5b2..52ca49b211fc 100644
> > > --- a/drivers/mfd/Kconfig
> > > +++ b/drivers/mfd/Kconfig
> > > @@ -2175,5 +2175,13 @@ config MFD_AHC1EC0
> > >  	  provides expose functions for sub-devices to read/write the value
> > >  	  to embedded controller.
> > >
> > > +config MFD_AHC1EC0_HWMON
> > > +	tristate "Advantech EC Hareware Monitor Function"
> > > +	depends on MFD_AHC1EC0
> > > +	help
> > > +	  This is sub-device for Advantech embedded controller AHC1EC0. This
> > > +	  driver provides the sysfs attribues for applications to monitor
> > > +	  the system status.
> > > +
> > >  endmenu
> > >  endif
> > > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> > > index 80a9a2bdc3ba..eb645db817b5 100644
> > > --- a/drivers/mfd/Makefile
> > > +++ b/drivers/mfd/Makefile
> > > @@ -269,3 +269,4 @@ obj-$(CONFIG_MFD_SIMPLE_MFD_I2C)	+=
> > simple-mfd-i2c.o
> > >  obj-$(CONFIG_MFD_INTEL_M10_BMC)   += intel-m10-bmc.o
> > >
> > >  obj-$(CONFIG_MFD_AHC1EC0)	+= ahc1ec0.o
> > > +obj-$(CONFIG_MFD_AHC1EC0_HWMON)	+= ahc1ec0-hwmon.o
> > > diff --git a/drivers/mfd/ahc1ec0-hwmon.c b/drivers/mfd/ahc1ec0-hwmon.c
> > > new file mode 100644
> > > index 000000000000..3e493b040b4a
> > > --- /dev/null
> > > +++ b/drivers/mfd/ahc1ec0-hwmon.c
> > > @@ -0,0 +1,1514 @@
> > > +// SPDX-License-Identifier: GPL-2.0-only
> > >
> > +/**************************************************************
> > ***************
> > > + * Copyright (c) 2018, Advantech Automation Corp.
> > 
> > You can't just lift a whole driver from downstream code and send it to
> > the mailing list as-is.
> > 
> 
> Could you give me more advice about how to submit the whole driver?
> Is there any website to guide me?

There is lots of documentation on how to upstream code/drivers in
the /Documentation folder.

Start here:

 https://www.kernel.org/doc/html/latest/process/submitting-patches.html

Note, this online document, along with all of the others you will
required are actually contained in /Documentation, in the kernel
source tree.

> Thank you so much.
> 
> > > + * THIS IS AN UNPUBLISHED WORK CONTAINING CONFIDENTIAL AND
> > PROPRIETARY
> > > + * INFORMATION WHICH IS THE PROPERTY OF ADVANTECH AUTOMATION
> > CORP.
> > > + *
> > > + * ANY DISCLOSURE, USE, OR REPRODUCTION, WITHOUT WRITTEN
> > AUTHORIZATION FROM
> > > + * ADVANTECH AUTOMATION CORP., IS STRICTLY PROHIBITED.
> > > +
> > ****************************************************************
> > *************
> > 
> > This warning is in contradiction to the licence you are proposing.
> 
> Thank you so much, I will remove it.

You'd better seek proper permission from your legal department before
doing so.  Subverting licence agreements can land you in heaps of
trouble if you're not careful.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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