iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soc: renesas: r8a77965-sysc: Fix power request conflicts

Browse Source 
Describe the location and contents of the SYSCEXTMASK register on R-Car
M3-N, to prevent conflicts between internal and external power requests.

Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-5-geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven
2019-08-28 13:36:15 +02:00
parent 5a6cf826b3
commit fd73351943
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/soc/renesas/r8a77965-sysc.c
View File

@@ -7,6 +7,7 @@
* Copyright (C) 2016 Glider bvba * Copyright (C) 2016 Glider bvba
*/ */
#include <linux/bits.h>
#include <linux/bug.h> #include <linux/bug.h>
#include <linux/kernel.h> #include <linux/kernel.h>
@@ -33,4 +34,6 @@ static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
const struct rcar_sysc_info r8a77965_sysc_info __initconst = { const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
.areas = r8a77965_areas, .areas = r8a77965_areas,
.num_areas = ARRAY_SIZE(r8a77965_areas), .num_areas = ARRAY_SIZE(r8a77965_areas),
.extmask_offs = 0x2f8,
.extmask_val = BIT(0),
}; };