mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

MIPS: CPC: Use bitfield helpers 

Use the FIELD_PREP() helper, instead of open-coding the same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Geert Uytterhoeven 2021-11-22 16:53:46 +01:00 committed by Thomas Bogendoerfer
parent 13166af248
commit 9d348f6b92
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/mips/kernel/mips-cpc.c
View File

@ -4,6 +4,7 @@
* Author: Paul Burton <paul.burton@mips.com>
*/
#include <linux/bitfield.h>
#include <linux/errno.h>
#include <linux/percpu.h>
#include <linux/of.h>
@ -97,7 +98,7 @@ void mips_cpc_lock_other(unsigned int core)
curr_core = cpu_core(&current_cpu_data);
spin_lock_irqsave(&per_cpu(cpc_core_lock, curr_core),
per_cpu(cpc_core_lock_flags, curr_core));
write_cpc_cl_other(core << __ffs(CPC_Cx_OTHER_CORENUM));
write_cpc_cl_other(FIELD_PREP(CPC_Cx_OTHER_CORENUM, core));
/*
* Ensure the core-other region reflects the appropriate core &