From 9af5c9c97dc9d599281778864c72b385f0c63341 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 6 Aug 2007 18:36:22 +0900 Subject: libata-link: introduce ata_link Introduce ata_link. It abstracts PHY and sits between ata_port and ata_device. This new level of abstraction is necessary to support SATA Port Multiplier, which basically adds a bunch of links (PHYs) to a ATA host port. Fields related to command execution, spd_limit and EH are per-link and thus moved to ata_link. This patch only defines the host link. Multiple link handling will be added later. Also, a lot of ap->link derefences are added but many of them will be removed as each part is converted to deal directly with ata_link instead of ata_port. This patch introduces no behavior change. Signed-off-by: Tejun Heo Cc: James Bottomley Signed-off-by: Jeff Garzik --- drivers/ata/pata_scc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/ata/pata_scc.c') diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 2d048ef25a5..aab068fbb7b 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -785,7 +785,7 @@ static u8 scc_bmdma_status (struct ata_port *ap) static void scc_data_xfer (struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) { - struct ata_port *ap = adev->ap; + struct ata_port *ap = adev->link->ap; unsigned int words = buflen >> 1; unsigned int i; u16 *buf16 = (u16 *) buf; -- cgit v1.2.3-70-g09d2