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soc: renesas: r8a77980-sysc: Fix power request conflicts

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Describe the location and contents of the SYSCEXTMASK register on R-Car
V3H, to prevent conflicts between internal and external power requests.

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/20190828113618.6672-7-geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2019-08-28 13:36:17 +02:00
parent a228560c52
commit ee038b88c6
1 changed files with 3 additions and 0 deletions
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drivers/soc/renesas/r8a77980-sysc.c
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@ -6,6 +6,7 @@
* Copyright (C) 2018 Cogent Embedded, Inc.
*/
#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/kernel.h>
@ -49,4 +50,6 @@ static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
.areas = r8a77980_areas,
.num_areas = ARRAY_SIZE(r8a77980_areas),
.extmask_offs = 0x138,
.extmask_val = BIT(0),
};