[PATCH] serial: 8250: 8250_core: Use dev_name() during request_irq()
Jisheng Zhang
jszhang at marvell.com
Tue Mar 14 23:10:01 PDT 2017
On Tue, 14 Mar 2017 17:59:01 +0200 Andy Shevchenko wrote:
> On Tue, Mar 14, 2017 at 3:44 PM, Vignesh R <vigneshr at ti.com> wrote:
> > On Monday 13 March 2017 01:35 AM, Andy Shevchenko wrote:
> >> On Wed, Mar 8, 2017 at 2:19 PM, Vignesh R <vigneshr at ti.com> wrote:
> >>> Passing "serial" as name during request_irq() results in all serial port
> >>> irqs have same name. This does not help much to easily identify which
> >>> irq belongs to which serial port instance. Therefore pass dev_name()
> >>> during request_irq() so that better identifiable name is listed for
> >>> serial ports in cat /proc/interrupts output.
> >>>
> >>> Output of cat /proc/interrupts
> >>> Before this patch:
> >>> 26: 689 0 GICv2 309 Edge serial
> >>> After this patch:
> >>> 26: 696 0 GICv2 309 Edge 2530c00.serial
>
> > But, this change is making interrupt name more descriptive
>
> It doesn't in PCI case, it makes it worse.
indeed, in PCI case, I see
4: ... 00:03.3
what about "dev_driver_string(up->port.dev)[dev_name(up->port.dev)]" as
we did for ahci case?
Thanks
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