linux-kernel - [PATCHv2 0/5] pinctrl fixes for generic functions and groups

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Date:   Tue, 19 Jun 2018 02:31:21 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCHv2 0/5] pinctrl fixes for generic functions and groups

Here are fixes to the race issues for generic group and functions
reported by H. Nikolaus Schaller <hns@...delico.com>. I have not seen
the issue here myself, so please test to see if this is sufficient.

I've also fixed rza1 in addition to pinctrl-single. Please also check
the drivers pinctrl-mt7622.c and pinctrl-ingenic.c if mutex fixes are
needed there.

Regards,

Tony

Changes since v1:

- Check if a function or group already exists as suggested by
  Andy Shevchenko

- Make sure we always have a valid name for functions and groups
  as suggested by Christ van Willegen

- Prettify rza1 variables as suggested by Jacopo Mondi


Tony Lindgren (5):
  pinctrl: core: Return selector to the pinctrl driver
  pinctrl: pinmux: Return selector to the pinctrl driver
  pinctrl: single: Fix group and function selector use
  pinctrl: rza1: Fix selector use for groups and functions
  pinctrl: core: Remove broken remove_last group and pinmux functions

 drivers/pinctrl/core.c           | 35 ++++++++++--
 drivers/pinctrl/core.h           |  6 ---
 drivers/pinctrl/pinctrl-rza1.c   | 24 +++++----
 drivers/pinctrl/pinctrl-single.c | 91 +++++++++++++++++++-------------
 drivers/pinctrl/pinmux.c         | 16 ++++--
 drivers/pinctrl/pinmux.h         |  7 ---
 6 files changed, 112 insertions(+), 67 deletions(-)

-- 
2.17.1