Re: [PATCH v3 0/2] Add support for MaxLinear/Exar USB to serial converters

From: Manivannan Sadhasivam
Date: Sat May 16 2020 - 03:06:28 EST


Hi,

On Fri, May 01, 2020 at 12:19:22AM +0530, mani@xxxxxxxxxx wrote:
> From: Manivannan Sadhasivam <mani@xxxxxxxxxx>
>
> Hello,
>
> This series adds support for MaxLinear/Exar USB to serial converters.
> This driver only supports XR21V141X series but it can easily be extended
> to other series in future.
>
> This driver is inspired from the initial one submitted by Patong Yang:
>
> https://patchwork.kernel.org/patch/10543261/
>
> While the initial driver was a custom tty USB driver exposing whole
> new serial interface ttyXRUSBn, this version is completely based on USB
> serial core thus exposing the interfaces as ttyUSBn. This will avoid
> the overhead of exposing a new USB serial interface which the userspace
> tools are unaware of.
>
> This series has been tested with Hikey970 board hosting XR21V141X chip.
>

Any update on this series?

Thanks,
Mani

> Thanks,
> Mani
>
> Changes in v3:
>
> * Dropped the check for PID and also the reg_width property.
>
> Changes in v2:
>
> * Dropped the code related to handling variable register size. It's all u8 now.
> * Dropped the header file and moved the contents to driver itself.
> * Added Linus's reviewed-by tag for gpiochip patch.
> * Added PID to gpiochip label
> * Dropped gpiochip for interface 0
>
> Manivannan Sadhasivam (2):
> usb: serial: Add MaxLinear/Exar USB to Serial driver
> usb: serial: xr_serial: Add gpiochip support
>
> drivers/usb/serial/Kconfig | 9 +
> drivers/usb/serial/Makefile | 1 +
> drivers/usb/serial/xr_serial.c | 821 +++++++++++++++++++++++++++++++++
> 3 files changed, 831 insertions(+)
> create mode 100644 drivers/usb/serial/xr_serial.c
>
> --
> 2.17.1
>