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Subject[PATCH v3 32/37] ARM: davinci: cp-intc: unify error handling
Date
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
---
arch/arm/mach-davinci/cp_intc.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
index 25221dfe8a20..1bf11fa8be76 100644
--- a/arch/arm/mach-davinci/cp_intc.c
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -177,8 +177,10 @@ davinci_cp_intc_do_init(const struct davinci_cp_intc_config *config,

davinci_cp_intc_base = ioremap(config->reg.start,
resource_size(&config->reg));
- if (WARN_ON(!davinci_cp_intc_base))
+ if (!davinci_cp_intc_base) {
+ pr_err("%s: unable to ioremap register range\n", __func__);
return -EINVAL;
+ }

davinci_cp_intc_write(0, DAVINCI_CP_INTC_GLOBAL_ENABLE);

@@ -210,8 +212,9 @@ davinci_cp_intc_do_init(const struct davinci_cp_intc_config *config,

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;
+ pr_err("%s: unable to allocate interrupt descriptors: %d\n",
+ __func__, irq_base);
+ return irq_base;
}

/* create a legacy host */
@@ -220,7 +223,7 @@ davinci_cp_intc_do_init(const struct davinci_cp_intc_config *config,
&davinci_cp_intc_irq_domain_ops, NULL);

if (!davinci_cp_intc_irq_domain) {
- pr_err("cp_intc: failed to allocate irq host!\n");
+ pr_err("%s: unable to create an interrupt domain\n", __func__);
return -EINVAL;
}

--
2.20.1
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