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UPSTREAM: MIPS: Select CONFIG_HANDLE_DOMAIN_IRQ and make it work.

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Per the subject, always select HANDLE_DOMAIN_IRQ, and implement
set_irq_regs() so that it actually works.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12496/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
(cherry picked from commit 1d2753a66acbb101a0ec495cd13b9031ac1b171f)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
David Daney 2016-02-09 11:00:07 -08:00 • committed by Greg Kroah-Hartman
parent afcd2b8978
commit cb7c7f371e
2 changed files with 11 additions and 0 deletions
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1
arch/mips/Kconfig
View file

@ -64,6 +64,7 @@ config MIPS
select HAVE_IRQ_TIME_ACCOUNTING
select GENERIC_TIME_VSYSCALL
select ARCH_CLOCKSOURCE_DATA
select HANDLE_DOMAIN_IRQ
menu "Machine selection"

10
arch/mips/include/asm/irq_regs.h
View file

@ -18,4 +18,14 @@ static inline struct pt_regs *get_irq_regs(void)
return current_thread_info()->regs;
}
static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
{
struct pt_regs *old_regs;
old_regs = get_irq_regs();
current_thread_info()->regs = new_regs;
return old_regs;
}
#endif /* __ASM_IRQ_REGS_H */