linux-kernel - Re: [PATCH v8 7/9] pci: of: Parse and map the IRQ when adding the PCI device.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 2 Jul 2014 12:17:48 +0100
From:	Will Deacon <will.deacon@....com>
To:	Liviu Dudau <Liviu.Dudau@....com>
Cc:	linux-pci <linux-pci@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Tanmay Inamdar <tinamdar@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 7/9] pci: of: Parse and map the IRQ when adding the
 PCI device.

On Tue, Jul 01, 2014 at 07:43:32PM +0100, Liviu Dudau wrote:
> Enhance the default implementation of pcibios_add_device() to
> parse and map the IRQ of the device if a DT binding is available.
> 
> Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>
> ---
>  drivers/pci/pci.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 63a54a3..8e65dc3 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -17,6 +17,7 @@
>  #include <linux/spinlock.h>
>  #include <linux/string.h>
>  #include <linux/log2.h>
> +#include <linux/of_pci.h>
>  #include <linux/pci-aspm.h>
>  #include <linux/pm_wakeup.h>
>  #include <linux/interrupt.h>
> @@ -1453,6 +1454,9 @@ EXPORT_SYMBOL(pcim_pin_device);
>   */
>  int __weak pcibios_add_device(struct pci_dev *dev)
>  {
> +#ifdef CONFIG_OF
> +	dev->irq = of_irq_parse_and_map_pci(dev, 0, 0);
> +#endif

You could avoid the #ifdef by only assigning dev->irq if
of_irq_parse_and_map_pci returned something > 0.

Will
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/