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authorJulia Cartwright <julia@ni.com>2017-03-21 17:43:05 -0500
committerLee Jones <lee.jones@linaro.org>2017-04-27 09:25:05 +0100
commit9fe8c2dfe165f18873042d25ef430e18c97b1dae (patch)
treec8ca5dbfbb12e82ce8f6a8f16d838aa070d00fa8 /drivers/mfd/88pm805.c
parent93ad4471912029f7519c23da56538a5d54552124 (diff)
downloadlinux-9fe8c2dfe165f18873042d25ef430e18c97b1dae.tar.bz2
mfd: t7l66xb: Make use of raw_spinlock variants
The t7l66xb mfd driver currently implements 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: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/88pm805.c')
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