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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-08-28 13:36:15 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-10-01 10:29:49 +0200
commitfd733519436fb56fc89265f42276bfac04a14cfc (patch)
treefb2869039c6ab29772cdc2389b4f7b0807956860 /drivers/soc/renesas
parent5a6cf826b37c5cd31304ba42117f632ee1f0552f (diff)
downloadlinux-fd733519436fb56fc89265f42276bfac04a14cfc.tar.gz
linux-fd733519436fb56fc89265f42276bfac04a14cfc.tar.xz
soc: renesas: r8a77965-sysc: Fix power request conflicts
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
Diffstat (limited to 'drivers/soc/renesas')
-rw-r--r--drivers/soc/renesas/r8a77965-sysc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/renesas/r8a77965-sysc.c b/drivers/soc/renesas/r8a77965-sysc.c
index e0533beb50fd..b5d8230d4bbc 100644
--- a/drivers/soc/renesas/r8a77965-sysc.c
+++ b/drivers/soc/renesas/r8a77965-sysc.c
@@ -7,6 +7,7 @@
* Copyright (C) 2016 Glider bvba
*/
+#include <linux/bits.h>
#include <linux/bug.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 = {
.areas = r8a77965_areas,
.num_areas = ARRAY_SIZE(r8a77965_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};