Linux Images (ROCK64)

[t4_4t]

There seems to have been some reports already,
 "0.6.26: jenkins-linux-build-rock-64-195"
Crashes while booting.

boot.log
[    1.561006] Console: switching to colour frame buffer device 240x67
[    1.629487] rockchip-drm display-subsystem: fb0:  frame buffer device
[    1.636248] usbcore: registered new interface driver udl
[    1.640066] Unable to detect cache hierarchy for CPU 0
[    1.642053] brd: module loaded
[    1.651803] loop: module loaded
[    1.652439] lkdtm: No crash points registered, enable through debugfs
[--> 1.655143] rockchip-spi ff190000.spi: no high_speed pinctrl state
[    1.656897] Unable to handle kernel NULL pointer dereference at virtual address 00000005
[    1.657974] pgd = ffffff80093b9000
[    1.658437] [00000005] *pgd=000000007fffe003, *pud=000000007fffe003, *pmd=0000000000000000
[    1.659563] Internal error: Oops: 96000005 [#1] SMP
[    1.660187] Modules linked in:
[    1.660607] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.4.120-rockchip-ayufan-195 #1
[    1.661585] Hardware name: Pine64 Rock64 (DT)
[    1.662146] task: ffffffc079118000 task.stack: ffffffc079114000
[    1.662909] PC is at pinctrl_select_state+0x3c/0x12c
[    1.663548] LR is at pinctrl_select_state+0x7c/0x12c
[    1.664186] pc : [<ffffff8008596840>] lr : [<ffffff8008596880>] pstate: 60000045
[    1.665118] sp : ffffffc079117420


The cause is the following commit
spi: rockchip: set higher io driver when sclk higher than 24MHz
https://github.com/ayufan-rock64/linux-k...85539ea1bd