Re: scsi: ufs: Problem at init on msm8998

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On 15/01/2019 13:37, Marc Gonzalez wrote:

> I had a look at "[8998] How to check PMIC PON reason" but I'm not sure how to read
> PM0=0x4000024000020020:0x40 PM1=0x4000084000080020:0x800 PM2=0x4000084000080020:0x800

AFAIU, the PM0 format is [8c7][8c6][8c5][8c4][8c3][8c2][8c1][8c0]:[8cb][8ca][8c9][8c8]

(Though I don't know which ranges PM1 and PM2 are a dump of.)

Decoding PM0...

8c0: 0x20 = bit 5 = Triggered from PON1
8c1: 0x00
8c2: 0x02 = bit 1 = Triggered by PS_HOLD
8c3: 0x00
8c4: 0x40 = bit 6 = PMIC entered ON state because of a warm-reset sequence
8c5: 0x02 = bit 1 = Triggered by PS_HOLD
8c6: 0x00
8c7: 0x40 = bit 6 = PMIC entered OFF state because of a fault-handling sequence
8c8: 0x40 = bit 6 = Triggered by UVLO event
8c9: 0x00
8ca: 0x00
8cb: 0x00

UVLO = Undervoltage lockout

A priori not a driver issue :-)



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