Re: [PATCH 10/33] arm_mpam: Add probe/remove for mpam msc driver and kbuild boiler plate

From: Markus Elfring
Date: Fri Aug 22 2025 - 15:56:46 EST




> +static int mpam_msc_drv_probe(struct platform_device *pdev)
> +{

> + } while (0);
> + mutex_unlock(&mpam_list_lock);
> +
> + if (!err) {
> + /* Create RIS entries described by firmware */
> + if (!acpi_disabled)
> + err = acpi_mpam_parse_resources(msc, plat_data);
> + else
> + err = mpam_dt_parse_resources(msc, plat_data);
> + }
> +
> + if (!err && fw_num_msc == mpam_num_msc)
> + mpam_discovery_complete();
> +
> + if (err && msc)
> + mpam_msc_drv_remove(pdev);
> +
> + return err;
> +}


* Would you like to integrate anything from the following source code variant?

if (!err)
/* Create RIS entries described by firmware */
err = acpi_disabled
? mpam_dt_parse_resources(msc, plat_data)
: acpi_mpam_parse_resources(msc, plat_data);

if (err) {
if (msc)
mpam_msc_drv_remove(pdev);
} else {
if (fw_num_msc == mpam_num_msc)
mpam_discovery_complete();
}

* How do you think about to increase the application of scope-based resource management
at further places?


Regards,
Markus