Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f4e12939 authored by Philippe Gerum's avatar Philippe Gerum Committed by Mike Frysinger
Browse files

Blackfin: inline I-pipe bypass code in ret_from_exception 



Signed-off-by: default avatarPhilippe Gerum <rpm@xenomai.org>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 9ea7770f

arch/blackfin/kernel/ipipe.c

+0 −5
Original line number Diff line number Diff line
@@ -164,11 +164,6 @@ out: 
		__clear_bit(IPIPE_STALL_FLAG, &p->status);

}



int __ipipe_check_root(void)

{

	return ipipe_root_domain_p;

}



void __ipipe_enable_irqdesc(struct ipipe_domain *ipd, unsigned irq)

{

	struct irq_desc *desc = irq_to_desc(irq);

arch/blackfin/mach-common/entry.S

+7 −7
Original line number Diff line number Diff line
@@ -840,13 +840,13 @@ ENDPROC(_resume) 


ENTRY(_ret_from_exception)

#ifdef CONFIG_IPIPE

	[--sp] = rets;

	SP += -12;

	call ___ipipe_check_root

	SP += 12

	rets = [sp++];

	cc = r0 == 0;

	if cc jump 4f;                /* not on behalf of Linux, get out */

	p2.l = _per_cpu__ipipe_percpu_domain;

	p2.h = _per_cpu__ipipe_percpu_domain;

	r0.l = _ipipe_root;

	r0.h = _ipipe_root;

	r2 = [p2];

	cc = r0 == r2;

	if !cc jump 4f;  /* not on behalf of the root domain, get out */

#endif /* CONFIG_IPIPE */

	p2.l = lo(IPEND);

	p2.h = hi(IPEND);