netdev - Re: [PATCH] rt2x00: Use ops name instead of device name

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Date:	Tue, 22 Feb 2011 13:34:55 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>, Felix Fietkau <nbd@...nwrt.org>,
	Ivo van Doorn <IvDoorn@...il.com>,
	"John W. Linville" <linville@...driver.com>, abogani@...ware.it
Subject: Re: [PATCH] rt2x00: Use ops name instead of device name

On Tue, 2011-02-22 at 08:12 -0500, Steven Rostedt wrote:
> Recently, someone complained that they see the PCI address of a device
> in the interrupts file instead of the device name.
> 
> 19:   73474106          0   IO-APIC-fasteoi   ata_piix, uhci_hcd:usb6, 0000:05:01.0
[...]
> diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
> index ace0b66..06575dc 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00pci.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
> @@ -284,7 +284,7 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
>  	rt2x00dev->ops = ops;
>  	rt2x00dev->hw = hw;
>  	rt2x00dev->irq = pci_dev->irq;
> -	rt2x00dev->name = pci_name(pci_dev);
> +	rt2x00dev->name = ops->name;
>  
>  	if (pci_is_pcie(pci_dev))
>  		rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);

But then how can users distinguish the IRQs for multiple devices handled
by the same driver?  (Probably unusual for WLAN devices, but still
possible.)

I assume you can't use a net device name as there may be multiple net
devices per bus device?

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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