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linux/drivers/mfd/ezx-pcap.c
Fuqian Huang b65dc4f6b3 mfd: ezx-pcap: Replace mutex_lock with spin_lock 
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.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-09-02 11:05:37 +01:00

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