Messages in this thread | | | From | <> | Subject | Re: [PATCH 2/2] mfd: atmel-flexcom: use resume_noirq | Date | Fri, 9 Jul 2021 09:09:10 +0000 |
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On 05.07.2021 14:31, Claudiu Beznea wrote: > Flexcom IP embeds 3 other IPs: usart, i2c, spi and selects the operation > mode (usart, i2c, spi) via mode register (FLEX_MR). On i2c bus there might > be connected critical devices (like PMIC) which on suspend/resume should > be suspended/resumed at the end/beginning. i2c uses > .suspend_noirq/.resume_noirq for this kind of purposes. Align flexcom > to use .resume_noirq as it should be resumed before the embedded IPs. > Otherwise the embedded devices might behave badly. > > Fixes: 7fdec11015c3 ("atmel_flexcom: Support resuming after a chip reset") > Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Tested-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
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