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* [PATCH v5 1/2] libahci: Implement the function ahci_restart_engine to restart the port dma engine.
       [not found] ` <1404296108-16233-2-git-send-email-stripathi@apm.com>
@ 2014-07-03 14:03   ` Tejun Heo
  0 siblings, 0 replies; only message in thread
From: Tejun Heo @ 2014-07-03 14:03 UTC (permalink / raw)
  To: linux-arm-kernel

Hello,

On Wed, Jul 02, 2014 at 03:45:07PM +0530, Suman Tripathi wrote:
> +int ahci_restart_engine(struct ata_port *ap)
> +{
> +	struct ahci_host_priv *hpriv = ap->host->private_data;
> +
> +	ahci_stop_engine(ap);
> +	ahci_start_fis_rx(ap);
> +	hpriv->start_engine(ap);
> +
> +	return 0;
> +}
> +EXPORT_SYMBOL_GPL(ahci_restart_engine);

I don't get this function.  No other ahci needs it and it's not even
contained libahci proper.  It calls back to the calling low level
driver.  Why not just expose ahci_start_fis_rx() and implement the
above in xgene?

Thanks.

-- 
tejun

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     [not found] <1404296108-16233-1-git-send-email-stripathi@apm.com>
     [not found] ` <1404296108-16233-2-git-send-email-stripathi@apm.com>
2014-07-03 14:03   ` [PATCH v5 1/2] libahci: Implement the function ahci_restart_engine to restart the port dma engine Tejun Heo

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