smsc911x.c driver and SMP (was Re: Kernel related (?) user space crash at ARM11 MPCore)
Bill Gatliff
bgat at billgatliff.com
Fri Sep 11 11:20:23 EDT 2009
Catalin Marinas wrote:
> On Fri, 2009-09-11 at 07:55 -0500, Bill Gatliff wrote:
>
>>
>> Why take the lock in smsc911x_tx_writefifo? It looks like you take the
>> same lock again in smsc911x_reg_write.
>>
>
> Ah, ok, I haven't tried the 16-bit mode, only the 32-bit one and was
> working fine, no deadlocks. But I can't say whether that's the right
> fix, it's better for SMSC to look into it.
>
>
I certainly won't object to SMSC taking a look at it. :) But your
changes pass the common-sense test AFAICT, apart from my question above.
b.g.
--
Bill Gatliff
bgat at billgatliff.com
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