Re: CONFIG_MFD_PCF50633=m breaks the kernel build

From: Balaji Rao
Date: Thu Jan 15 2009 - 05:31:49 EST


On Thu, Jan 15, 2009 at 11:09:55AM +0100, Jean Delvare wrote:
> On Thu, 15 Jan 2009 14:41:08 +0530, Balaji Rao wrote:
> > On Thu, Jan 15, 2009 at 10:06:53AM +0100, Jean Delvare wrote:
> > > Hi Balaji,
> > >
> > > Building kernel 2.6.29-rc1-git4 on x86_64 with CONFIG_MFD_PCF50633=m
> > > fails at linking time with:
> > >
> > > ERROR: "__set_irq_handler" [drivers/mfd/pcf50633-core.ko] undefined!
> > > ERROR: "handle_level_irq" [drivers/mfd/pcf50633-core.ko] undefined!
> >
> > Yes, I've seen this. The fix is waiting on linux-mfd to be pulled
> > anytime soon.
>
> Where is linux-mfd? And what is it, a git tree, a mailing list? I
> couldn't find any reference.

It's a git tree at http://git.o-hand.com/cgit.cgi/linux-mfd/

>
> Can you please send me the patch now, so that I can fix my build
> locally right now?
>

pcf50633: Remove references to non-exported functions

Remove references to set_irq_type and handle_level_irq which are not
exported to modules.

Signed-off-by: Balaji Rao <balajirrao@xxxxxxxxxxxx>

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 24508e2..ea9488e 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -626,7 +626,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
}

if (client->irq) {
- set_irq_handler(client->irq, handle_level_irq);
ret = request_irq(client->irq, pcf50633_irq,
IRQF_TRIGGER_LOW, "pcf50633", pcf);

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