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authorTejun Heo <htejun@gmail.com>2007-08-06 13:36:23 +0400
committerJeff Garzik <jeff@garzik.org>2007-10-12 22:55:30 +0400
commitf58229f8060055b08b34008ea08f31de1e2f003c (patch)
tree6ca5ef546671cb975ef3632fb032c238eaf1bb4c /drivers/ata/pata_ixp4xx_cf.c
parent9af5c9c97dc9d599281778864c72b385f0c63341 (diff)
downloadlinux-f58229f8060055b08b34008ea08f31de1e2f003c.tar.xz
libata-link: implement and use link/device iterators
Multiple links and different number of devices per link should be considered to iterate over links and devices. This patch implements and uses link and device iterators - ata_port_for_each_link() and ata_link_for_each_dev() - and ata_link_max_devices(). This change makes a lot of functions iterate over only possible devices instead of from dev 0 to dev ATA_MAX_DEVICES. All such changes have been examined and nothing should be broken. While at it, add a separating comment before device helpers to distinguish them better from link helpers and others. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/pata_ixp4xx_cf.c')
-rw-r--r--drivers/ata/pata_ixp4xx_cf.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 3e2b8ce5fa37..7db315a9baad 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -28,10 +28,9 @@
static int ixp4xx_set_mode(struct ata_port *ap, struct ata_device **error)
{
- int i;
+ struct ata_device *dev;
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- struct ata_device *dev = &ap->link.device[i];
+ ata_link_for_each_dev(dev, &ap->link) {
if (ata_dev_enabled(dev)) {
ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
dev->pio_mode = XFER_PIO_0;