On 05/14/2019 10:06 PM, Sergei Shtylyov wrote: [...] >>>>>>>> Have you tested reading? v8 patch still works while v9 patches >>>>>>>> hang on doing: >>>>>>>> >>>>>>>> $ cat /dev/mtd<n>... >>>>>>> >>>>>>> Sorry, 'od -x', not 'cat'. >>>>>> >>>>>> root@draak:/# cat /proc/mtd >>>>>> dev: size erasesize name >>>>>> mtd0: 00040000 00001000 "Bank 1 - Boot parameter" >>>>>> mtd1: 00140000 00001000 "Bank 1 - Loader-BL2" >>>>>> mtd2: 00040000 00001000 "Bank 1 - Certification" >>>>>> mtd3: 00080000 00001000 "Bank 1 - ARM Trusted FW" >>>>>> mtd4: 00400000 00001000 "Bank 1 - Reserved-1" >>>>>> mtd5: 00300000 00001000 "Bank 1 - U-Boot" >>>>>> mtd6: 00200000 00001000 "Bank 1 - Reserved-2" >>>>>> mtd7: 00480000 00001000 "Bank 1 - Splash" >>>>>> mtd8: 00040000 00001000 "Bank 1 - Device Tree" >>>>>> root@draak:/# od -x /dev/mtd1 >>>>>> 0000000 0000 d280 0001 d280 0002 d280 0003 d280 >>>>>> 0000020 0004 d280 0005 d280 0006 d280 0007 d280 >>>>>> 0000040 0008 d280 0009 d280 000a d280 000b d280 >>>>>> 0000060 000c d280 000d d280 000e d280 000f d280 >>>>>> 0000100 0010 d280 0011 d280 0012 d280 0013 d280 >>>>>> 0000120 0014 d280 0015 d280 0016 d280 0017 d280 >>>>>> 0000140 0018 d280 0019 d280 001a d280 001b d280 >>>>>> 0000160 001c d280 001d d280 001e d280 1000 d53e >>>>>> 0000200 f800 9266 1000 d51e 3fdf d503 3ba0 1005 >>>>> >>>>> Still hangs for me. After I patches spi-mem.c and the driver to >>>>> call RPM for the MFD, it started working again. Perhaps, that clock>> >> is still enabled on your target. What does the following print (for > > Even with these issues worked around, I still see strange behavior on > writes, e.g. after I mount JFFS2 partition, remove 1 file, unmount, re-mount, > and mount again, the removed file is back! :-/ Too many re-mounts, one was enough. :-) > [...] > >> thanks & best regards, >> Mason MBR, Sergei