diff mbox series

[1/1] soc: renesas: Identify R-Car M3-W ES1.3

Message ID 15160f6de0bba712fcea078c5ac7571fe33fcd5d.1555684066.git.horms+renesas@verge.net.au (mailing list archive)
State Accepted
Commit 15160f6de0bba712fcea078c5ac7571fe33fcd5d
Delegated to: Simon Horman
Headers show
Series [1/1] soc: renesas: Identify R-Car M3-W ES1.3 | expand

Commit Message

Simon Horman April 19, 2019, 2:35 p.m. UTC 
From: Takeshi Kihara <takeshi.kihara.df@renesas.com>

The Product Register of R-Car M3-W ES1.3 incorrectly identifies the SoC
revision as ES2.1. Add a workaround to fix this.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/soc/renesas/renesas-soc.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index 4af96e668a2f..3299cf5365f3 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -335,6 +335,9 @@  static int __init renesas_soc_init(void)
 		/* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */
 		if ((product & 0x7fff) == 0x5210)
 			product ^= 0x11;
+		/* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */
+		if ((product & 0x7fff) == 0x5211)
+			product ^= 0x12;
 		if (soc->id && ((product >> 8) & 0xff) != soc->id) {
 			pr_warn("SoC mismatch (product = 0x%x)\n", product);
 			return -ENODEV;