On 6/14/21 1:25 AM, Timo Sigurdsson wrote: > DIPM is unsupported or broken on sunxi. Trying to enable the power > management policy med_power_with_dipm on an Allwinner A20 SoC based board > leads to immediate I/O errors and the attached SATA disk disappears from > the /dev filesystem. A reset (power cycle) is required to make the SATA > controller or disk work again. The A10 and A20 SoC data sheets and manuals > don't mention DIPM at all [1], so it's fair to assume that it's simply not > supported. But even if it was, it should be considered broken and best be > disabled in the ahci_sunxi driver. Applied, thanks. -- Jens Axboe
