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RE: MX27 libertas_sdio SDIO Interrupts vs available bitrate

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Hi Andreas

> -----Original Message-----
> From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Andreas Feuersinger
> Sent: Thursday, July 29, 2010 5:46 AM
> To: libertas-dev@xxxxxxxxxxxxxxxxxxx; linux-mmc@xxxxxxxxxxxxxxx; linux-
> wireless@xxxxxxxxxxxxxxx
> Subject: MX27 libertas_sdio SDIO Interrupts vs available bitrate
> 
> 
> Hi,
> 
> I'm trying to improve throughput of the Marvell 8686 sdio wlan module.
> Unfortunately I have to stick with kernel 2.6.22.
> 
> Everything works except for very bad datarate. So far the mxc_mmc
> driver does not handle any SDIO interrupts. Could that be the reason
> for the bad performance?
> 
> 
> I figured, it does not make any difference wheter I use DMA for data
> transfer or not (odd?)
If interrupts are not handled in MMC level and you are disabling DMA operation how then will the transfer completion is handled in that case?


> 
> I get only up to 90K/s.
> 
> 
> thanks!
> 
> Andreas
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Cheers
      Benzy Gabay
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