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authorTony Lindgren <tony@atomide.com>2017-04-04 06:15:54 +0300
committerLee Jones <lee.jones@linaro.org>2017-04-27 11:25:07 +0300
commitac89473213c602b98172d92e40f5e78032b1aba0 (patch)
treeed3cc6fe23d2c778ff7f3cd34c683ac7f3829f50 /drivers/pwm/pwm-sti.c
parent4d5db2a3a207451a8b11802c4d5f45a8931d996c (diff)
downloadlinux-ac89473213c602b98172d92e40f5e78032b1aba0.tar.xz
mfd: cpcap: Fix interrupt to use level interrupt
I made a mistake assuming the device tree configuration for interrupt triggering was somehow passed to the SPI device but it's not. In the Motorola Linux kernel tree CPCAP PMIC is configured as a rising edge triggered interrupt, but then then it's interrupt handler keeps looping until the GPIO line goes down. So the CPCAP interrupt is clearly a level interrupt and not an edge interrupt. Earlier when I tried to configure it as level interrupt using the device tree, I did not account that the triggering only gets passed to the SPI core and it also needs to be specified in the CPCAP driver when we do devm_regmap_add_irq_chip(). Fixes: 56e1d40d3bea ("mfd: cpcap: Add minimal support") Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/pwm/pwm-sti.c')
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