On Fri, Dec 18, 2020 at 04:37:26PM +0800, Alice Guo (OSS) wrote: > From: Alice Guo <alice.guo@xxxxxxx> > > Directly reading ocotp register depends on that bootloader enables ocotp > clk, which is not always effective, so change to use nvmem API. Using > nvmem API requires to support driver defer probe and thus change > soc-imx8m.c to use platform driver. > > The other reason is that directly reading ocotp register causes kexec > kernel hang because the 1st kernel running will disable unused clks > after kernel boots up, and then ocotp clk will be disabled even if > bootloader enables it. When kexec kernel, ocotp clk needs to be enabled > before reading ocotp registers, and nvmem API with platform driver > supported can accomplish this. > > Signed-off-by: Alice Guo <alice.guo@xxxxxxx> > --- > Changes for v8: > - none > Changes for v7: > - solve the problem "drivers/soc/imx/soc-imx8m.c:174:34: warning: > unused variable" There was a reviewed-by part of changelog. The tag was in your commit. I am now confused, as changes for v8 say "none"... but shall I trust it? Best regards, Krzysztof
