linux-kernel - [PATCH v3 0/4] pinctrl: rockchip: PREEMPT_RT

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Message-Id: <20170317182430.27400-1-john@metanate.com>
Date:   Fri, 17 Mar 2017 18:24:26 +0000
From:   John Keeping <john@...anate.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Julia Cartwright <julia@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        John Keeping <john@...anate.com>
Subject: [PATCH v3 0/4] pinctrl: rockchip: PREEMPT_RT_FULL fixes

The aim of the series is to make the Rockchip pinctrl irq_chip
implementation safe for use with RT_FULL which requires that raw
spinlocks are used to avoid sleeping in hardirq context.

This is the same as version 2 [1] with the 2.1 version of patch 1
included, but I'm rolling it up as a new version so it's simpler to
apply.

[1] https://www.spinics.net/lists/arm-kernel/msg568974.html

John Keeping (4):
  pinctrl: rockchip: remove unnecessary locking
  pinctrl: rockchip: convert to raw spinlock
  pinctrl: rockchip: split out verification of mux settings
  pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip

 drivers/pinctrl/pinctrl-rockchip.c | 149 +++++++++++++++++++++----------------
 1 file changed, 85 insertions(+), 64 deletions(-)

-- 
2.12.0.377.gf910686b23.dirty