Re: [PATCH] ipmi: si: Use platform_get_irq() to retrieve interrupt

[Corey Minyard <corey@minyard.net>]

On Wed, Jun 03, 2026 at 05:53:56PM -0500, Corey Minyard wrote:
> On Wed, Jun 03, 2026 at 12:25:11PM -0700, Rosen Penev wrote:
> > Use platform_get_irq() to retrieve the interrupt resource instead of
> > directly parsing and mapping the OF node via irq_of_parse_and_map().
> > This is the standard pattern for platform devices.
> > irq_of_parse_and_map() requires ire_dispose_mapping(), which is missing.
> > 
> > Assisted-by: Antigravity:Gemini-3.5-Flash
> > Signed-off-by: Rosen Penev <rosenp@gmail.com>
> > ---
> >  drivers/char/ipmi/ipmi_si_platform.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c
> > index fb6e359ae494..e10b5d8af092 100644
> > --- a/drivers/char/ipmi/ipmi_si_platform.c
> > +++ b/drivers/char/ipmi/ipmi_si_platform.c
> > @@ -276,7 +276,7 @@ static int of_ipmi_probe(struct platform_device *pdev)
> >  	io.regspacing	= regspacing ? be32_to_cpup(regspacing) : DEFAULT_REGSPACING;
> >  	io.regshift	= regshift ? be32_to_cpup(regshift) : 0;
> >  
> > -	io.irq		= irq_of_parse_and_map(pdev->dev.of_node, 0);
> > +	io.irq		= platform_get_irq(pdev, 0);
> 
> This should be something like:
> 
> 	io.irq = platform_get_irq_optional(pdev, 0);
> 	if (io.irq > 0)
> 		io.irq_setup = ipmi_std_irq_setup;
> 	else
> 		io.irq = 0;
> 
> right?

Oops, cut and paste error, try:

 	io.irq = platform_get_irq_optional(pdev, 0);
 	if (io.irq < 0)
 		io.irq = 0;

This just disables the interrupt if it can't get it.

> 
> -corey
> 
> >  	io.dev		= &pdev->dev;
> >  
> >  	dev_dbg(&pdev->dev, "addr 0x%lx regsize %d spacing %d irq %d\n",
> > -- 
> > 2.54.0
> >