AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-03-19 09:39:24 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Blackfin: dpmc: omit RETE/RETN when hibernating

Browse Source 
The RETE/RETN registers are only used in emulation(JTAG) and NMI nodes,
or as scratch registers, neither of which need to be saved/restored as
this code doesn't execute at those core event levels.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-06-26 14:08:27 -04:00
parent 4705a25c06
commit 429e257ea3
1 changed files with 0 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/blackfin/mach-common/dpmc_modes.S
View File

@ -510,8 +510,6 @@ ENTRY(_do_hibernate)
r0 = RETI; r0 = RETI;
[--sp] = r0; [--sp] = r0;
[--sp] = RETX; [--sp] = RETX;
[--sp] = RETN;
[--sp] = RETE;
[--sp] = SEQSTAT; [--sp] = SEQSTAT;
/* Save Magic, return address and Stack Pointer */ /* Save Magic, return address and Stack Pointer */
@ -533,8 +531,6 @@ ENTRY(_do_hibernate)
/* Restore Core Registers */ /* Restore Core Registers */
SEQSTAT = [sp++]; SEQSTAT = [sp++];
RETE = [sp++];
RETN = [sp++];
RETX = [sp++]; RETX = [sp++];
r0 = [sp++]; r0 = [sp++];
RETI = r0; RETI = r0;