On Thu, Oct 17, 2019 at 11:07 PM Christoph Hellwig <h...@lst.de> wrote: > > From: Damien Le Moal <damien.lem...@wdc.com> > > When running in M-mode we can't use SBI based drivers. Add a new > CONFIG_RISCV_SBI that drivers that do SBI calls can depend on > instead. > > Signed-off-by: Damien Le Moal <damien.lem...@wdc.com> > Signed-off-by: Christoph Hellwig <h...@lst.de> > --- > arch/riscv/Kconfig | 6 ++++++ > drivers/tty/hvc/Kconfig | 2 +- > drivers/tty/serial/Kconfig | 2 +- > 3 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > index 86b7e8b0471c..b85492c42ccb 100644 > --- a/arch/riscv/Kconfig > +++ b/arch/riscv/Kconfig > @@ -76,6 +76,12 @@ config ARCH_MMAP_RND_BITS_MAX > config RISCV_M_MODE > bool > > +# set if we are running in S-mode and can use SBI calls > +config RISCV_SBI > + bool > + depends on !RISCV_M_MODE > + default y > + > config MMU > def_bool y > > diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig > index 4d22b911111f..4487a6b9acc8 100644 > --- a/drivers/tty/hvc/Kconfig > +++ b/drivers/tty/hvc/Kconfig > @@ -89,7 +89,7 @@ config HVC_DCC > > config HVC_RISCV_SBI > bool "RISC-V SBI console support" > - depends on RISCV > + depends on RISCV_SBI > select HVC_DRIVER > help > This enables support for console output via RISC-V SBI calls, which > diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig > index 67a9eb3f94ce..540142c5b7b3 100644 > --- a/drivers/tty/serial/Kconfig > +++ b/drivers/tty/serial/Kconfig > @@ -88,7 +88,7 @@ config SERIAL_EARLYCON_ARM_SEMIHOST > > config SERIAL_EARLYCON_RISCV_SBI > bool "Early console using RISC-V SBI" > - depends on RISCV > + depends on RISCV_SBI > select SERIAL_CORE > select SERIAL_CORE_CONSOLE > select SERIAL_EARLYCON > -- > 2.20.1 > > > _______________________________________________ > linux-riscv mailing list > linux-ri...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv
LGTM. Reviewed-by: Anup Patel <a...@brainfault.org> Regards, Anup
