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authorTejun Heo <htejun@gmail.com>2007-08-06 18:36:23 +0900
committerJeff Garzik <jeff@garzik.org>2007-10-12 14:55:30 -0400
commitf58229f8060055b08b34008ea08f31de1e2f003c (patch)
tree6ca5ef546671cb975ef3632fb032c238eaf1bb4c /drivers/ata/pata_legacy.c
parent9af5c9c97dc9d599281778864c72b385f0c63341 (diff)
downloadop-kernel-dev-f58229f8060055b08b34008ea08f31de1e2f003c.zip
op-kernel-dev-f58229f8060055b08b34008ea08f31de1e2f003c.tar.gz
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_legacy.c')
-rw-r--r--drivers/ata/pata_legacy.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 4bcc0ae..9d92843 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -109,10 +109,9 @@ static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */
static int legacy_set_mode(struct ata_port *ap, struct ata_device **unused)
{
- 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 PIO\n");
dev->pio_mode = XFER_PIO_0;
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