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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-08-28 14:36:18 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-10-01 11:29:59 +0300
commitb34095cbc2bb102c9f138afd8c99a8a205b0e142 (patch)
treecc594a26671193728f22906b1a801747534a3c1f /drivers/soc/renesas
parentee038b88c60a32908fd83d420fce445bd0138f6d (diff)
downloadlinux-b34095cbc2bb102c9f138afd8c99a8a205b0e142.tar.xz
soc: renesas: r8a77990-sysc: Fix power request conflicts
Describe the location and contents of the SYSCEXTMASK register on R-Car E3, 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/20190828113618.6672-8-geert+renesas@glider.be
Diffstat (limited to 'drivers/soc/renesas')
-rw-r--r--drivers/soc/renesas/r8a77990-sysc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c
index 664b244eb1dd..1d2432020b7a 100644
--- a/drivers/soc/renesas/r8a77990-sysc.c
+++ b/drivers/soc/renesas/r8a77990-sysc.c
@@ -5,6 +5,7 @@
* Copyright (C) 2018 Renesas Electronics Corp.
*/
+#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/sys_soc.h>
@@ -50,4 +51,6 @@ const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
.init = r8a77990_sysc_init,
.areas = r8a77990_areas,
.num_areas = ARRAY_SIZE(r8a77990_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};