linux-kernel - Re: [PATCH v3 1/2] ACPI: use %pe for better readability of errors while printing

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Date: Thu, 15 Feb 2024 20:56:11 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Onkarnarth <onkarnath.1@...sung.com>
Cc: rafael@...nel.org, lenb@...nel.org, bhelgaas@...gle.com, 
	viresh.kumar@...aro.org, mingo@...hat.com, peterz@...radead.org, 
	juri.lelli@...hat.com, vincent.guittot@...aro.org, dietmar.eggemann@....com, 
	rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de, bristot@...hat.com, 
	vschneid@...hat.com, linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org, 
	r.thapliyal@...sung.com, maninder1.s@...sung.com, helgaas@...nel.org, 
	Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>
Subject: Re: [PATCH v3 1/2] ACPI: use %pe for better readability of errors
 while printing

On Tue, Feb 13, 2024 at 9:20 AM Onkarnarth <onkarnath.1@...sung.com> wrote:
>
> From: Onkarnath <onkarnath.1@...sung.com>
>
> As %pe is already introduced, it's better to use it in place of (%ld) for
> printing errors in logs. It would enhance readability of logs.
>
> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>

What exactly is the role of this S-o-b?  Has the person helped you to
develop the patch or something else?

> Signed-off-by: Onkarnath <onkarnath.1@...sung.com>
> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@...ux.intel.com>
> ---
> v1 -> v2: Updated subject line as per file history & corrected spellings
> in description.
> v2 -> v3: Updated Reviewed-by tag.
>
>  drivers/acpi/acpi_processor.c | 2 +-
>  drivers/acpi/acpi_watchdog.c  | 2 +-
>  drivers/acpi/pci_slot.c       | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
> index 4fe2ef54088c..2ddd36a21850 100644
> --- a/drivers/acpi/acpi_processor.c
> +++ b/drivers/acpi/acpi_processor.c
> @@ -161,7 +161,7 @@ static void cpufreq_add_device(const char *name)
>
>         pdev = platform_device_register_simple(name, PLATFORM_DEVID_NONE, NULL, 0);
>         if (IS_ERR(pdev))
> -               pr_info("%s device creation failed: %ld\n", name, PTR_ERR(pdev));
> +               pr_info("%s device creation failed: %pe\n", name, pdev);
>  }
>
>  #ifdef CONFIG_X86
> diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
> index 8e9e001da38f..14b24157799c 100644
> --- a/drivers/acpi/acpi_watchdog.c
> +++ b/drivers/acpi/acpi_watchdog.c
> @@ -179,7 +179,7 @@ void __init acpi_watchdog_init(void)
>         pdev = platform_device_register_simple("wdat_wdt", PLATFORM_DEVID_NONE,
>                                                resources, nresources);
>         if (IS_ERR(pdev))
> -               pr_err("Device creation failed: %ld\n", PTR_ERR(pdev));
> +               pr_err("Device creation failed: %pe\n", pdev);
>
>         kfree(resources);
>
> diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
> index d6cb2c27a23b..741bcc9d6d6a 100644
> --- a/drivers/acpi/pci_slot.c
> +++ b/drivers/acpi/pci_slot.c
> @@ -111,7 +111,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
>         snprintf(name, sizeof(name), "%llu", sun);
>         pci_slot = pci_create_slot(pci_bus, device, name, NULL);
>         if (IS_ERR(pci_slot)) {
> -               pr_err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot));
> +               pr_err("pci_create_slot returned %pe\n", pci_slot);
>                 kfree(slot);
>                 return AE_OK;
>         }
> --