linux-kernel - Major improvements to the ch341 driver v4

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Message-Id: <1460754856-27908-1-git-send-email-greg@chown.ath.cx>
Date:	Fri, 15 Apr 2016 23:14:03 +0200
From:	Grigori Goronzy <greg@...wn.ath.cx>
To:	Johan Hovold <johan@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Major improvements to the ch341 driver v4

Hi,

here's a hopefully final v4 of my ch341 patchset.  Changelog below
this time, because it's cleary better this way.  Please review.

v4:
- Fix parity even/odd mixup introduced in v3.
- Fix compilation errors of intermediate commits introduced in v3.

v3:
- Use u8 shorthand for unsigned char.
- Get rid of an unused variable.
- Improve error handling in set_termios.
- Only set mark/space when parity is enabled.
- Use C_* macros and some other simplifications.
- Patch termios HW flags for default CS8 case.
- Drop most style fixes.
- Unify definitions for the "general status" register bits.

v2:
- Improve/fix B0 handling.
- Fix initial/default configuration.
- Add tx_empty callback.
- Split up one patch:
  - Reinitialize chip on reconfiguration.
  - Add support for parity, frame length, stop bits.

v1:
- Initial version

Best regards
Grigori