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Message-Id: <200802241211.48000.rjw@sisk.pl>
Date: Sun, 24 Feb 2008 12:11:46 +0100
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: Mirco Tischler <mt-ml@....de>
Cc: Jeff Chua <jeff.chua.linux@...il.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Jesse Barnes <jesse.barnes@...el.com>,
Romano Giannetti <romano@....icai.upcomillas.es>,
Dave Airlie <airlied@...ux.ie>, Greg KH <gregkh@...e.de>,
lkml <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
Pavel Machek <pavel@....cz>,
Alexey Starikovskiy <astarikovskiy@...e.de>,
pm list <linux-pm@...ts.linux-foundation.org>,
Len Brown <lenb@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] PM: Introduce PM_EVENT_HIBERNATE (was: Re: i915 hibernation patch (was: Re: 2.6.25-rc2 System no longer ...))
On Sunday, 24 of February 2008, Mirco Tischler wrote:
>
> On Sa, 2008-02-23 at 19:13 +0100, Rafael J. Wysocki wrote:
> > Index: linux-2.6/drivers/usb/host/u132-hcd.c
> > ===================================================================
> > --- linux-2.6.orig/drivers/usb/host/u132-hcd.c
> > +++ linux-2.6/drivers/usb/host/u132-hcd.c
> > @@ -3214,14 +3214,19 @@ static int u132_suspend(struct platform_
> > return -ESHUTDOWN;
> > } else {
> > int retval = 0;
> > - if (state.event == PM_EVENT_FREEZE) {
> > +
> > + switch (state.event) {
> > + case PM_EVENT_FREEZE:
> > retval = u132_bus_suspend(hcd);
> > - } else if (state.event == PM_EVENT_SUSPEND) {
> > + break;
> > + case PM_EVENT_SUSPEND:
> > + case PM_EVENT_HIBERNATE:
> > int ports = MAX_U132_PORTS;
> > while (ports-- > 0) {
> > port_power(u132, ports, 0);
> > }
> > - }
> > + break;
> > + }
> > if (retval == 0)
> > pdev->dev.power.power_state = state;
> > return retval;
> Hmm. Doesn't compile for me in 2.6.25-rc2-git7:
>
> CC [M] drivers/usb/host/u132-hcd.o
> drivers/usb/host/u132-hcd.c: In function ‘u132_suspend’:
> drivers/usb/host/u132-hcd.c:3224: error: expected expression before
> ‘int’
> drivers/usb/host/u132-hcd.c:3225: error: ‘ports’ undeclared (first use
> in this function)
> drivers/usb/host/u132-hcd.c:3225: error: (Each undeclared identifier is
> reported only once
> drivers/usb/host/u132-hcd.c:3225: error: for each function it appears
> in.)
> make[3]: *** [drivers/usb/host/u132-hcd.o] Error 1
> make[2]: *** [drivers/usb/host] Error 2
> make[1]: *** [drivers/usb] Error 2
> make: *** [drivers] Error 2
>
> This fixes it:
>
> Thanks
> Mirco
>
> ---
> From: Mirco Tischler <mt-ml@....de>
>
> Fixes the following compile error caused by commit
> 3a2d5b700132f35401f1d9e22fe3c2cab02c2549
>
> ...
> CC [M] drivers/usb/host/u132-hcd.o
> drivers/usb/host/u132-hcd.c: In function ‘u132_suspend’:
> drivers/usb/host/u132-hcd.c:3224: error: expected expression before
> ‘int’
> drivers/usb/host/u132-hcd.c:3225: error: ‘ports’ undeclared (first use
> in this function)
> ...
>
> Signed-off-by: Mirco Tischler <mt-ml@....de>
> ---
> drivers/usb/host/u132-hcd.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
> index 6fca069..58830b2 100644
> --- a/drivers/usb/host/u132-hcd.c
> +++ b/drivers/usb/host/u132-hcd.c
> @@ -3214,6 +3214,7 @@ static int u132_suspend(struct platform_device
> *pdev, pm_message_t state)
> return -ESHUTDOWN;
> } else {
> int retval = 0;
> + int ports = 0;
Hm, why not to do:
---
drivers/usb/host/u132-hcd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/drivers/usb/host/u132-hcd.c
===================================================================
--- linux-2.6.orig/drivers/usb/host/u132-hcd.c
+++ linux-2.6/drivers/usb/host/u132-hcd.c
@@ -3214,6 +3214,7 @@ static int u132_suspend(struct platform_
return -ESHUTDOWN;
} else {
int retval = 0;
+ int ports = MAX_U132_PORTS;
switch (state.event) {
case PM_EVENT_FREEZE:
@@ -3221,7 +3222,6 @@ static int u132_suspend(struct platform_
break;
case PM_EVENT_SUSPEND:
case PM_EVENT_HIBERNATE:
- int ports = MAX_U132_PORTS;
while (ports-- > 0) {
port_power(u132, ports, 0);
}
--
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