RE: [PATCH] mmc,sdio: Fix the panic due to devname NULL whencalling pm_runtime_set_active()

[Liu, Chuansheng]

> -----Original Message-----
> From: Ohad Ben-Cohen [mailto:ohad@xxxxxxxxxx]
> Sent: Monday, November 19, 2012 3:47 PM
> To: Liu, Chuansheng
> Cc: Chris Ball; linux-mmc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH] mmc,sdio: Fix the panic due to devname NULL when
> calling pm_runtime_set_active()
> 
> On Mon, Nov 19, 2012 at 7:57 AM, Liu, Chuansheng
> <chuansheng.liu@xxxxxxxxx> wrote:
> > Rechecked these codes, the trace event runtime_pm_status is added newly,
> this is different with vanilla
> > Linux.
> 
> Not sure I'm following - can you point out which tree are you working with ?
Sorry, it is added internally for debugging purpose.
> 
> > So I still think that calling pm_runtime_set_active is not safe when dev_name
> is NULL.
> > If you agree this point, I can refine the code that moving "init the dev_name "
> from mmc_add_card
> > to mmc_sdio_init_card.
> 
> This sounds more reasonable.
I will try a V2 patch soon, thanks.

> 
> Thanks,
> Ohad.
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