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authorJulia Cartwright <julia@ni.com>2017-03-09 19:22:06 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-03-16 18:39:16 +0300
commitf658ed3642cd1872c536c820597b85a9da2ddded (patch)
tree0e82f0356fdd49411d984cf092fd36c5062b3d64 /include/linux/nfs_iostat.h
parent82e529c1c7befe82fc7fc258b956e973056c20bb (diff)
downloadlinux-f658ed3642cd1872c536c820597b85a9da2ddded.tar.xz
pinctrl: sunxi: make use of raw_spinlock variants
The sunxi pinctrl driver currently implement an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by: Julia Cartwright <julia@ni.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/nfs_iostat.h')
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