linux-kernel - [PATCH 2/2] ARM: at91: pm: use of_device_id array to find the proper shdwc node

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Message-ID: <1576062248-18514-3-git-send-email-claudiu.beznea@microchip.com>
Date:   Wed, 11 Dec 2019 13:04:08 +0200
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <linux@...linux.org.uk>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 2/2] ARM: at91: pm: use of_device_id array to find the proper shdwc node

Use of_device_id array to find the proper shdwc compatibile node.
SAM9X60's shdwc changes were not integrated when
commit eaedc0d379da ("ARM: at91: pm: add ULP1 support for SAM9X60")
was integrated.

Fixes: eaedc0d379da ("ARM: at91: pm: add ULP1 support for SAM9X60")
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 arch/arm/mach-at91/pm.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 457301709e54..ce907672438b 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -695,6 +695,12 @@ static void __init at91_pm_use_default_mode(int pm_mode)
 		soc_pm.data.suspend_mode = AT91_PM_ULP0;
 }
 
+static const struct of_device_id atmel_shdwc_ids[] = {
+	{ .compatible = "atmel,sama5d2-shdwc" },
+	{ .compatible = "microchip,sam9x60-shdwc" },
+	{ /* sentinel. */ }
+};
+
 static void __init at91_pm_modes_init(void)
 {
 	struct device_node *np;
@@ -704,7 +710,7 @@ static void __init at91_pm_modes_init(void)
 	    !at91_is_pm_mode_active(AT91_PM_ULP1))
 		return;
 
-	np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-shdwc");
+	np = of_find_matching_node(NULL, atmel_shdwc_ids);
 	if (!np) {
 		pr_warn("%s: failed to find shdwc!\n", __func__);
 		goto ulp1_default;
-- 
2.7.4