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[PATCH v2 28/33] ARM: davinci: cp-intc: unify error handling




From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>

Use WARN_ON() on eny error in cp-intc initialization and drop all
custom error messages.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Reviewed-by: David Lechner <david@xxxxxxxxxxxxxx>
---
 arch/arm/mach-davinci/cp_intc.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
index f3787ae4cdbd..c1efb9390655 100644
--- a/arch/arm/mach-davinci/cp_intc.c
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -200,20 +200,16 @@ davinci_cp_intc_do_init(const struct davinci_cp_intc_config *config,
 			DAVINCI_CP_INTC_CHAN_MAP(offset));
 
 	irq_base = irq_alloc_descs(-1, 0, config->num_irqs, 0);
-	if (irq_base < 0) {
-		pr_warn("Couldn't allocate IRQ numbers\n");
-		irq_base = 0;
-	}
+	if (WARN_ON(irq_base < 0))
+		return irq_base;
 
 	/* create a legacy host */
 	davinci_cp_intc_irq_domain = irq_domain_add_legacy(
 					node, config->num_irqs, irq_base, 0,
 					&davinci_cp_intc_irq_domain_ops, NULL);
 
-	if (!davinci_cp_intc_irq_domain) {
-		pr_err("cp_intc: failed to allocate irq host!\n");
+	if (WARN_ON(!davinci_cp_intc_irq_domain))
 		return -EINVAL;
-	}
 
 	set_handle_irq(davinci_cp_intc_handle_irq);
 
-- 
2.20.1