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authorGeert Uytterhoeven <geert+renesas@glider.be>2019-09-20 16:35:23 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2019-10-01 10:30:03 +0200
commit8c32c5ff873580a5bff1b743ac5e080b36fbd784 (patch)
tree473c4c6a050c1943064c13a665b23802aeb7b081 /drivers/soc/renesas
parent26405045e73b184900ad43206eeda7bee1cedee1 (diff)
soc: renesas: r8a774c0-sysc: Fix power request conflicts
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
Diffstat (limited to 'drivers/soc/renesas')
-rw-r--r--drivers/soc/renesas/r8a774c0-sysc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/renesas/r8a774c0-sysc.c b/drivers/soc/renesas/r8a774c0-sysc.c
index 11050e17ea81..40d1558aab37 100644
--- a/drivers/soc/renesas/r8a774c0-sysc.c
+++ b/drivers/soc/renesas/r8a774c0-sysc.c
@@ -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),
};