powerpc/dt_cpu_ftrs: Enable Prefixed Instructions
authorAlistair Popple <alistair@popple.id.au>
Thu, 21 May 2020 01:43:39 +0000 (11:43 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 2 Jun 2020 10:59:20 +0000 (20:59 +1000)
commitc63d688c3dabca973c5a7da73d17422ad13f3737
tree2150cb3765e3787393482767f8a5f36568afc480
parent43d0d37acbe40a9a93d9891ca670638cd22116b1
powerpc/dt_cpu_ftrs: Enable Prefixed Instructions

Prefix instructions have their own FSCR bit which needs to be enabled
via a CPU feature. The kernel will save the FSCR for problem state but
it needs to be enabled initially.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200521014341.29095-6-alistair@popple.id.au
arch/powerpc/kernel/dt_cpu_ftrs.c