[PATCH] mpc85xx_ads: add in missing of_node_put()
Paul Gortmaker
paul.gortmaker at windriver.com
Thu Jan 3 04:50:01 EST 2008
In message: Re: [PATCH] mpc85xx_ads: add in missing of_node_put()
on 23/12/2007 Stephen Rothwell wrote:
> On Fri, 21 Dec 2007 10:40:09 -0500 Paul Gortmaker <paul.gortmaker at windriver.com> wrote:
> >
> > cpm2_pic_init() does its own of_node_get() so we should do an of_node_put()
> > before calling it.
>
> The of_node_put() should really go after the call to cpm2_pic_init(), that
> way you retain a raised ref count at all times. Sorry fo not being
> entirely clear before.
No problem. Updated version below.
Thanks,
Paul.
>From eea2826182b4b732ded224240ef9dc89a881ce4b Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker at windriver.com>
Date: Fri, 21 Dec 2007 10:12:38 -0500
Subject: [PATCH] mpc85xx_ads: add in missing of_node_put()
Add in missing of_node_put() after cpm2_pic_init(). This and other coding
style cleanups as suggested by Stephen Rothwell.
Signed-off-by: Paul Gortmaker <paul.gortmaker at windriver.com>
---
arch/powerpc/platforms/85xx/mpc85xx_ads.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index bccdc25..91781a9 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -52,9 +52,9 @@ static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
{
int cascade_irq;
- while ((cascade_irq = cpm2_get_irq()) >= 0) {
+ while ((cascade_irq = cpm2_get_irq()) >= 0)
generic_handle_irq(cascade_irq);
- }
+
desc->chip->eoi(irq);
}
@@ -70,13 +70,12 @@ static void __init mpc85xx_ads_pic_init(void)
#endif
np = of_find_node_by_type(np, "open-pic");
-
- if (np == NULL) {
+ if (!np) {
printk(KERN_ERR "Could not find open-pic node\n");
return;
}
- if(of_address_to_resource(np, 0, &r)) {
+ if (of_address_to_resource(np, 0, &r)) {
printk(KERN_ERR "Could not map mpic register space\n");
of_node_put(np);
return;
@@ -100,6 +99,7 @@ static void __init mpc85xx_ads_pic_init(void)
irq = irq_of_parse_and_map(np, 0);
cpm2_pic_init(np);
+ of_node_put(np);
set_irq_chained_handler(irq, cpm2_cascade);
#endif
}
@@ -112,7 +112,7 @@ struct cpm_pin {
int port, pin, flags;
};
-static struct cpm_pin mpc8560_ads_pins[] = {
+static const struct cpm_pin mpc8560_ads_pins[] = {
/* SCC1 */
{3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
{3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
--
1.5.0.rc1.gf4b6c
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