linux-kernel - [PATCH 0/2] USB: serial: cp210x: provide gpio valid mask

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Date:   Fri,  9 Apr 2021 17:52:14 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Pho Tran <photranvan0712@...il.com>, Hung.Nguyen@...abs.com,
        Tung.Pham@...abs.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] USB: serial: cp210x: provide gpio valid mask

Use the new GPIO valid-mask feature to inform gpiolib which pins are
available for use instead of handling that in a request callback.
    
This also allows user space to figure out which pins are available
through the chardev interface without having to request each pin in
turn.

Johan


Johan Hovold (2):
  USB: serial: cp210x: provide gpio valid mask
  USB: serial: cp210x: add gpio-configuration debug printk

 drivers/usb/serial/cp210x.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

-- 
2.26.3