On Tue, Jan 10, 2023 at 13:56, Alexey Romanov <[email protected]> wrote:
> This function can be used by other modules. Also add comments. > > Signed-off-by: Alexey Romanov <[email protected]> > Reviewed-by: Neil Armstrong <[email protected]> Reviewed-by: Mattijs Korpershoek <[email protected]> > --- > arch/arm/include/asm/arch-meson/sm.h | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/arch/arm/include/asm/arch-meson/sm.h > b/arch/arm/include/asm/arch-meson/sm.h > index f3ae46a6d6b..53b75176493 100644 > --- a/arch/arm/include/asm/arch-meson/sm.h > +++ b/arch/arm/include/asm/arch-meson/sm.h > @@ -6,10 +6,35 @@ > #ifndef __MESON_SM_H__ > #define __MESON_SM_H__ > > +/** > + * meson_sm_read_efuse - read efuse memory into buffer > + * > + * @offset: offset from the start efuse memory > + * @buffer: pointer to buffer > + * @size: number of bytes to read > + * @return: number of bytes read > + */ > ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size); > > +/** > + * meson_sm_write_efuse - write into efuse memory from buffer > + * > + * @offset: offset from the start efuse memory > + * @buffer: pointer to buffer > + * @size: number of bytes to write > + * @return: number of bytes written > + */ > +ssize_t meson_sm_write_efuse(uintptr_t offset, void *buffer, size_t size); > + > #define SM_SERIAL_SIZE 12 > > +/** > + * meson_sm_get_serial - read chip unique id into buffer > + * > + * @buffer: pointer to buffer > + * @size: buffer size. > + * @return: zero on success or -errno on failure > + */ > int meson_sm_get_serial(void *buffer, size_t size); > > enum { > @@ -28,6 +53,9 @@ enum { > REBOOT_REASON_WATCHDOG_REBOOT = 13, > }; > > +/** > + * meson_sm_get_reboot_reason - get reboot reason > + */ > int meson_sm_get_reboot_reason(void); > > #endif /* __MESON_SM_H__ */ > -- > 2.25.1
