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Date: Fri, 9 Dec 2022 23:35:57 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Bjorn Helgaas <helgaas@...nel.org>
Cc: linux-pci@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
Florent DELAHAYE <kernelorg@...ead.fr>,
Konrad J Hambrick <kjhambrick@...il.com>,
Matt Hansen <2lprbe78@...k.com>,
Benoit Grégoire <benoitg@...us.ca>,
Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>,
Mika Westerberg <mika.westerberg@...ux.intel.com>,
Werner Sembach <wse@...edocomputers.com>,
mumblingdrunkard@...tonmail.com, linux-kernel@...r.kernel.org,
Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v2 4/4] x86/PCI: Fix log message typo
On Fri, Dec 09, 2022 at 02:51:31PM -0600, Bjorn Helgaas wrote:
> On Fri, Dec 09, 2022 at 08:43:06PM +0200, Andy Shevchenko wrote:
> > On Thu, Dec 08, 2022 at 01:03:41PM -0600, Bjorn Helgaas wrote:
...
> > Wondering if we can change printk(KERN_LVL) to pr_lvl() in this file.
>
> Sure! How about this?
LGTM, you can add
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
to it if you wish.
> commit 7058cdb558d5 ("x86/PCI: Use pr_info() when possible")
> Author: Bjorn Helgaas <bhelgaas@...gle.com>
> Date: Fri Dec 9 14:41:27 2022 -0600
>
> x86/PCI: Use pr_info() when possible
>
> Use pr_info() and similar when possible. No functional change intended.
>
> Suggested-by: Andy Shevchenko <andriy.shevchenko@...el.com>
I prefer @linux.intel.com.
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
> index 83dfea9e9894..ea2eb2ec90e2 100644
> --- a/arch/x86/pci/acpi.c
> +++ b/arch/x86/pci/acpi.c
> @@ -1,4 +1,7 @@
> // SPDX-License-Identifier: GPL-2.0
> +
> +#define pr_fmt(fmt) "PCI: " fmt
> +
> #include <linux/pci.h>
> #include <linux/acpi.h>
> #include <linux/init.h>
> @@ -37,15 +40,15 @@ static int __init set_nouse_crs(const struct dmi_system_id *id)
>
> static int __init set_ignore_seg(const struct dmi_system_id *id)
> {
> - printk(KERN_INFO "PCI: %s detected: ignoring ACPI _SEG\n", id->ident);
> + pr_info("%s detected: ignoring ACPI _SEG\n", id->ident);
> pci_ignore_seg = true;
> return 0;
> }
>
> static int __init set_no_e820(const struct dmi_system_id *id)
> {
> - printk(KERN_INFO "PCI: %s detected: not clipping E820 regions from _CRS\n",
> - id->ident);
> + pr_info("%s detected: not clipping E820 regions from _CRS\n",
> + id->ident);
> pci_use_e820 = false;
> return 0;
> }
> @@ -231,10 +234,9 @@ void __init pci_acpi_crs_quirks(void)
> else if (pci_probe & PCI_USE__CRS)
> pci_use_crs = true;
>
> - printk(KERN_INFO "PCI: %s host bridge windows from ACPI; "
> - "if necessary, use \"pci=%s\" and report a bug\n",
> - pci_use_crs ? "Using" : "Ignoring",
> - pci_use_crs ? "nocrs" : "use_crs");
> + pr_info("%s host bridge windows from ACPI; if necessary, use \"pci=%s\" and report a bug\n",
> + pci_use_crs ? "Using" : "Ignoring",
> + pci_use_crs ? "nocrs" : "use_crs");
>
> /* "pci=use_e820"/"pci=no_e820" on the kernel cmdline takes precedence */
> if (pci_probe & PCI_NO_E820)
> @@ -242,19 +244,17 @@ void __init pci_acpi_crs_quirks(void)
> else if (pci_probe & PCI_USE_E820)
> pci_use_e820 = true;
>
> - printk(KERN_INFO "PCI: %s E820 reservations for host bridge windows\n",
> - pci_use_e820 ? "Using" : "Ignoring");
> + pr_info("%s E820 reservations for host bridge windows\n",
> + pci_use_e820 ? "Using" : "Ignoring");
> if (pci_probe & (PCI_NO_E820 | PCI_USE_E820))
> - printk(KERN_INFO "PCI: Please notify linux-pci@...r.kernel.org so future kernels can do this automatically\n");
> + pr_info("Please notify linux-pci@...r.kernel.org so future kernels can do this automatically\n");
> }
>
> #ifdef CONFIG_PCI_MMCONFIG
> static int check_segment(u16 seg, struct device *dev, char *estr)
> {
> if (seg) {
> - dev_err(dev,
> - "%s can't access PCI configuration "
> - "space under this host bridge.\n",
> + dev_err(dev, "%s can't access configuration space under this host bridge\n",
> estr);
> return -EIO;
> }
> @@ -264,9 +264,7 @@ static int check_segment(u16 seg, struct device *dev, char *estr)
> * just can't access extended configuration space of
> * devices under this host bridge.
> */
> - dev_warn(dev,
> - "%s can't access extended PCI configuration "
> - "space under this bridge.\n",
> + dev_warn(dev, "%s can't access extended configuration space under this bridge\n",
> estr);
>
> return 0;
> @@ -421,9 +419,8 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
> root->segment = domain = 0;
>
> if (domain && !pci_domains_supported) {
> - printk(KERN_WARNING "pci_bus %04x:%02x: "
> - "ignored (multiple domains not supported)\n",
> - domain, busnum);
> + pr_warn("pci_bus %04x:%02x: ignored (multiple domains not supported)\n",
> + domain, busnum);
> return NULL;
> }
>
> @@ -491,7 +488,7 @@ int __init pci_acpi_init(void)
> if (acpi_noirq)
> return -ENODEV;
>
> - printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
> + pr_info("Using ACPI for IRQ routing\n");
> acpi_irq_penalty_init();
> pcibios_enable_irq = acpi_pci_irq_enable;
> pcibios_disable_irq = acpi_pci_irq_disable;
> @@ -503,7 +500,7 @@ int __init pci_acpi_init(void)
> * also do it here in case there are still broken drivers that
> * don't use pci_enable_device().
> */
> - printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
> + pr_info("Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n");
> for_each_pci_dev(dev)
> acpi_pci_irq_enable(dev);
> }
--
With Best Regards,
Andy Shevchenko
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