Hi, On 12/18/20 6:25 AM, hejingxian wrote: > diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig > index 26956c0..73af2f0 100644 > --- a/drivers/char/Kconfig > +++ b/drivers/char/Kconfig > @@ -560,3 +560,10 @@ config RANDOM_TRUST_BOOTLOADER > booloader is trustworthy so it will be added to the kernel's entropy > pool. Otherwise, say N here so it will be regarded as device input that > only mixes the entropy pool. > + > +config PIN_MEMORY_DEV > + bool "/dev/pinmem character device" > + depends PIN_MEMORY depends on > + default n Don't need default n, it's already the default. > + help > + pin memory driver Better help text, please. Also, it should be indented by 2 (more) spaces. thanks. -- ~Randy