aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91
diff options
context:
space:
mode:
authorMaxime Ripard <maxime.ripard@free-electrons.com>2014-07-01 11:33:20 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2014-09-03 10:55:42 +0200
commita981b29f027ace1b27fb4a96cef6cbfee49dbdd7 (patch)
tree309932e36297ffc7d9a790d5c3d3ec3b979c8eb4 /arch/arm/mach-at91
parentARM: at91: dt: Remove init_time definitions (diff)
downloadlinux-dev-a981b29f027ace1b27fb4a96cef6cbfee49dbdd7.tar.xz
linux-dev-a981b29f027ace1b27fb4a96cef6cbfee49dbdd7.zip
ARM: at91: PIT: Use consistent exit path in probe
The current probe code is, whenever it fails to retrieve a resource, either panicing, silently returning, or returning and displaying an error. Make the code consistent by always panicing whenever it fails to grab any resource. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/at91sam926x_time.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index af466eb68624..641e860e83e7 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -208,7 +208,7 @@ static void __init at91sam926x_pit_common_init(void)
/* Set up irq handler */
ret = setup_irq(at91sam926x_pit_irq.irq, &at91sam926x_pit_irq);
if (ret)
- pr_crit("AT91: PIT: Unable to setup IRQ\n");
+ panic("AT91: PIT: Unable to setup IRQ\n");
/* Set up and register clockevents */
pit_clkevt.mult = div_sc(pit_rate, NSEC_PER_SEC, pit_clkevt.shift);
@@ -222,7 +222,7 @@ static void __init at91sam926x_pit_dt_init(struct device_node *node)
pit_base_addr = of_iomap(node, 0);
if (!pit_base_addr)
- return;
+ panic("AT91: PIT: Could not map PIT address\n");
mck = of_clk_get(node, 0);
if (IS_ERR(mck))
@@ -234,18 +234,12 @@ static void __init at91sam926x_pit_dt_init(struct device_node *node)
/* Get the interrupts property */
irq = irq_of_parse_and_map(node, 0);
- if (!irq) {
- pr_crit("AT91: PIT: Unable to get IRQ from DT\n");
- goto clk_err;
- }
+ if (!irq)
+ panic("AT91: PIT: Unable to get IRQ from DT\n");
at91sam926x_pit_irq.irq = irq;
at91sam926x_pit_common_init();
-
-clk_err:
- clk_put(mck);
- iounmap(pit_base_addr);
}
CLOCKSOURCE_OF_DECLARE(at91sam926x_pit, "atmel,at91sam9260-pit",
at91sam926x_pit_dt_init);