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

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commit fd733519436fb56fc89265f42276bfac04a14cfc upstream.

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
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
This commit is contained in:
Geert Uytterhoeven
2019-12-18 11:33:20 +00:00
committed by Pavel Machek
parent db581acbab
commit cb0f8407e6
1 changed files with 3 additions and 0 deletions
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3
drivers/soc/renesas/r8a77965-sysc.c
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@@ -7,6 +7,7 @@
* Copyright (C) 2016 Glider bvba
*/
#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/kernel.h>
@@ -34,4 +35,6 @@ 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),
};