linux-kernel - [PATCH v7 08/11] ARM: sun9i: smp: Add is

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Message-Id: <20180420211022.11759-9-mylene.josserand@bootlin.com>
Date:   Fri, 20 Apr 2018 23:10:19 +0200
From:   Mylène Josserand <mylene.josserand@...tlin.com>
To:     linux@...linux.org.uk, maxime.ripard@...tlin.com, wens@...e.org,
        marc.zyngier@....com, mark.rutland@....com, robh+dt@...nel.org,
        horms@...ge.net.au, geert@...ux-m68k.org, magnus.damm@...il.com
Cc:     linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        thomas.petazzoni@...tlin.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, mylene.josserand@...tlin.com
Subject: [PATCH v7 08/11] ARM: sun9i: smp: Add is_a83t field

To prepare the support of sun8i-a83t, add a field in the smp_data
structure to know if we are on sun9i-a80 or sun8i-a83t.

Add also a global variable to retrieve which architecture we are
having.

Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>
---
 arch/arm/mach-sunxi/mc_smp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c
index 03f021d0c73e..48e5f4db64b6 100644
--- a/arch/arm/mach-sunxi/mc_smp.c
+++ b/arch/arm/mach-sunxi/mc_smp.c
@@ -74,6 +74,7 @@ static void __iomem *sram_b_smp_base;
 
 extern void sunxi_mc_smp_secondary_startup(void);
 extern void sunxi_mc_smp_resume(void);
+static int is_a83t;
 
 static bool sunxi_core_is_cortex_a15(unsigned int core, unsigned int cluster)
 {
@@ -624,6 +625,7 @@ struct sunxi_mc_smp_nodes {
 struct sunxi_mc_smp_data {
 	const char *enable_method;
 	int (*get_smp_nodes)(struct sunxi_mc_smp_nodes *nodes);
+	int is_a83t;
 };
 
 static void __init sunxi_mc_smp_put_nodes(struct sunxi_mc_smp_nodes *nodes)
@@ -697,6 +699,8 @@ static int __init sunxi_mc_smp_init(void)
 			break;
 	}
 
+	is_a83t = sunxi_mc_smp_data[i].is_a83t;
+
 	of_node_put(node);
 	if (ret)
 		return -ENODEV;
-- 
2.11.0