Re: [patch V2 21/31] soc: ti: ti_sci_inta_msi: Rework MSI descriptor allocation

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

On Mon, Dec 06 2021 at 23:51, Thomas Gleixner wrote:
>
> No functional change intended.

Famous last words.

>  static int ti_sci_inta_msi_alloc_descs(struct device *dev,
>                                      struct ti_sci_resource *res)
>  {
> -     struct msi_desc *msi_desc;
> +     struct msi_desc msi_desc;
>       int set, i, count = 0;
>  
> +     memset(&msi_desc, 0, sizeof(msi_desc));

This fails to initialize msi_desc.nvec_used which makes the subsequent
interrupt allocation fail. Delta fix below.

Thanks,

        tglx
---
--- a/drivers/soc/ti/ti_sci_inta_msi.c
+++ b/drivers/soc/ti/ti_sci_inta_msi.c
@@ -68,6 +68,7 @@ static int ti_sci_inta_msi_alloc_descs(s
        int set, i, count = 0;
 
        memset(&msi_desc, 0, sizeof(msi_desc));
+       msi_desc.nvec_used = 1;
 
        for (set = 0; set < res->sets; set++) {
                for (i = 0; i < res->desc[set].num; i++, count++) {