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soc: renesas: r8a774c0-sysc: Fix power request conflicts

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Describe the location and contents of the SYSCEXTMASK register on
RZ/G2E, 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: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190920143523.23125-1-geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven 2019-09-20 16:35:23 +02:00
parent 26405045e7
commit 8c32c5ff87
1 changed files with 3 additions and 0 deletions
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3
drivers/soc/renesas/r8a774c0-sysc.c
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@ -6,6 +6,7 @@
* Based on Renesas R-Car E3 System Controller
*/
#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 r8a774c0_sysc_info __initconst = {
.init = r8a774c0_sysc_init,
.areas = r8a774c0_areas,
.num_areas = ARRAY_SIZE(r8a774c0_areas),
.extmask_offs = 0x2f8,
.extmask_val = BIT(0),
};