linux-kernel - Re: [PATCH] libata: reduce ata_pci_[sff,bmdma]_init

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Date:	Wed, 9 Feb 2011 21:17:38 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libata: reduce ata_pci_[sff,bmdma]_init_one() size

>     Perhaps this will save even more:
> 
> 	if (bmdma)
> 		pci_set_master(pdev);
> 	rc = ata_pci_sff_activate_host(host, bmdma ? ata_bmdma_interrupt :
> 						     ata_sff_interrupt, sht);

gcc is usually smart enough to work that out - and it's definitely easier
to read as Bartlomiej has it.

I agree with the comment that libata-sata rather than ifdefs would be
good for the SATA bit as well btw.

And yes ADMA was designed for PATA
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