linux-kernel - Re: [PATCH RFC char-misc-next 1/5] misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.

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Date:   Tue, 23 Aug 2022 13:22:52 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        UNGLinuxDriver@...rochip.com, arnd@...db.de,
        dragan.cvetic@...inx.com, derek.kiernan@...inx.com
Subject: Re: [PATCH RFC char-misc-next 1/5] misc: microchip: pci1xxxx: load
 auxiliary bus driver for the PIO function in the multi-function endpoint of
 pci1xxxx device.

On Thu, Aug 04, 2022 at 10:02:15PM +0530, Kumaravel Thiagarajan wrote:
> pci1xxxx is a PCIe switch with a multi-function endpoint on one of its
> downstream ports. PIO function is one of the functions in the
> multi-function endpoint. PIO function combines a GPIO controller and also
> an interface to program pci1xxxx's OTP & EEPROM. This auxiliary bus driver
> is loaded for the PIO function and separate child devices are enumerated
> for GPIO controller and OTP/EEPROM interface.
> 
> Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
> ---
>  MAINTAINERS                                   |   8 +
>  drivers/misc/Kconfig                          |   1 +
>  drivers/misc/Makefile                         |   3 +-
>  drivers/misc/mchp_pci1xxxx/Kconfig            |  10 ++
>  drivers/misc/mchp_pci1xxxx/Makefile           |   1 +
>  drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c | 167 ++++++++++++++++++
>  drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.h |  28 +++
>  7 files changed, 217 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/misc/mchp_pci1xxxx/Kconfig
>  create mode 100644 drivers/misc/mchp_pci1xxxx/Makefile
>  create mode 100644 drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
>  create mode 100644 drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 285ffe0df5cf..ba491e4fc35f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13244,6 +13244,14 @@ S:	Supported
>  F:	Documentation/devicetree/bindings/mtd/atmel-nand.txt
>  F:	drivers/mtd/nand/raw/atmel/*
>  
> +MICROCHIP PCI1XXXX GP DRIVER
> +M:	Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
> +M:	UNGLinuxDriver@...rochip.com

Please do not add random email aliases to the MAINTAINERS file, use
people's names and email addresses, otherwise there is no sense of
ownership.

thanks,

greg k-h