Hello!
On 28.04.2021 2:05, 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 were, it should be considered broken and best be
^ was
disabled in the ahci_sunxi driver.
Fixes: c5754b5220f0 ("ARM: sunxi: Add support for Allwinner SUNXi SoCs sata to ahci_platform")
The "Fixes:" tag should immediately precede the signoff tag...
[1] https://github.com/allwinner-zh/documents/tree/master/
And this line should be immediately after the patch description.
Signed-off-by: Timo Sigurdsson <public_timo.s@xxxxxxxxxxxxxx>
Tested-by: Timo Sigurdsson <public_timo.s@xxxxxxxxxxxxxx>
[...]
MBR, Sergei
