Re: [patch 03/10] soc: ti: ti_sci_inta_msi: Switch MSI descriptor locking to guard()

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On Mar 09, 2025 at 09:41:46 +0100, Thomas Gleixner wrote:
> Convert the code to use the new guard(msi_descs_lock).
> 
> No functional change intended.
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Nishanth Menon <nm@xxxxxx>
> Cc: Tero Kristo <kristo@xxxxxxxxxx>
> Cc: Santosh Shilimkar <ssantosh@xxxxxxxxxx>
> ---
>  drivers/soc/ti/ti_sci_inta_msi.c |   10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)

Reviewed-by: Dhruva Gole <d-gole@xxxxxx>

> 
> --- a/drivers/soc/ti/ti_sci_inta_msi.c
> +++ b/drivers/soc/ti/ti_sci_inta_msi.c
> @@ -103,19 +103,15 @@ int ti_sci_inta_msi_domain_alloc_irqs(st
>  	if (ret)
>  		return ret;
>  
> -	msi_lock_descs(dev);
> +	guard(msi_descs_lock)(dev);
>  	nvec = ti_sci_inta_msi_alloc_descs(dev, res);
> -	if (nvec <= 0) {
> -		ret = nvec;
> -		goto unlock;
> -	}
> +	if (nvec <= 0)
> +		return nvec;
>  
>  	/* Use alloc ALL as it's unclear whether there are gaps in the indices */
>  	ret = msi_domain_alloc_irqs_all_locked(dev, MSI_DEFAULT_DOMAIN, nvec);
>  	if (ret)
>  		dev_err(dev, "Failed to allocate IRQs %d\n", ret);
> -unlock:
> -	msi_unlock_descs(dev);
>  	return ret;
>  }
>  EXPORT_SYMBOL_GPL(ti_sci_inta_msi_domain_alloc_irqs);
> 
> 

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated




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