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From:   Bartosz Golaszewski <brgl@bgdev.pl>
To:     Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Sekhar Nori <nsekhar@ti.com>,
        Kevin Hilman <khilman@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        David Lechner <david@lechnology.com>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH v4 18/37] ARM: davinci: aintc: unify error handling
Date:   Thu, 14 Feb 2019 15:52:12 +0100
Message-Id: <20190214145231.8750-19-brgl@bgdev.pl>
In-Reply-To: <20190214145231.8750-1-brgl@bgdev.pl>
References: <20190214145231.8750-1-brgl@bgdev.pl>
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From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Instead of dumping stack traces, just print a specific error message
in aintc driver.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/mach-davinci/irq.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c
index 1b2eeddfabd1..2afaf19dc46c 100644
--- a/arch/arm/mach-davinci/irq.c
+++ b/arch/arm/mach-davinci/irq.c
@@ -91,8 +91,10 @@ void __init davinci_aintc_init(const struct davinci_aintc_config *config)
 
 	davinci_aintc_base = ioremap(config->reg.start,
 				     resource_size(&config->reg));
-	if (WARN_ON(!davinci_aintc_base))
+	if (!davinci_aintc_base) {
+		pr_err("%s: unable to ioremap register range\n", __func__);
 		return;
+	}
 
 	/* Clear all interrupt requests */
 	davinci_aintc_writel(~0x0, DAVINCI_AINTC_FIQ_REG0);
@@ -125,20 +127,28 @@ void __init davinci_aintc_init(const struct davinci_aintc_config *config)
 	}
 
 	irq_base = irq_alloc_descs(-1, 0, config->num_irqs, 0);
-	if (WARN_ON(irq_base < 0))
+	if (irq_base < 0) {
+		pr_err("%s: unable to allocate interrupt descriptors: %d\n",
+		       __func__, irq_base);
 		return;
+	}
 
 	davinci_aintc_irq_domain = irq_domain_add_legacy(NULL,
 						config->num_irqs, irq_base, 0,
 						&irq_domain_simple_ops, NULL);
-	if (WARN_ON(!davinci_aintc_irq_domain))
+	if (!davinci_aintc_irq_domain) {
+		pr_err("%s: unable to create interrupt domain\n", __func__);
 		return;
+	}
 
 	ret = irq_alloc_domain_generic_chips(davinci_aintc_irq_domain, 32, 1,
 					     "AINTC", handle_edge_irq,
 					     IRQ_NOREQUEST | IRQ_NOPROBE, 0, 0);
-	if (WARN_ON(ret))
+	if (ret) {
+		pr_err("%s: unable to allocate generic irq chips for domain\n",
+		       __func__);
 		return;
+	}
 
 	for (irq_off = 0, reg_off = 0;
 	     irq_off < config->num_irqs;
-- 
2.20.1