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SubjectRe: [PATCH] mfd: ezx-pcap: replace mutex_lock with spin_lock
On Tue, 13 Aug 2019, Fuqian Huang wrote:

> As mutex_lock might sleep.
> Function pcap_adc_irq is an interrupt handler.
> The use of mutex_lock in pcap_adc_irq may cause sleep
> in IRQ context.
> Replace mutex_lock with spin_lock to avoid this.

No one has complained explaining why this might be a bad idea and the
premise is sound enough.

Applied, thanks.

Lee Jones [李琼斯]
Linaro Services Technical Lead │ Open source software for ARM SoCs
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