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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2006-09-26 17:53:38 +0100
committerJeff Garzik <jeff@garzik.org>2006-09-26 13:34:27 -0400
commitc961922b73dab429a759f560952fd4c3f60bd6b3 (patch)
treecbd6d6424d508fd208ae9992c1cf11b3b8a91fb1 /drivers/ata/pata_triflex.c
parent4735ebedf37731160e3d3efc9fc9d4939c66fefa (diff)
downloadop-kernel-dev-c961922b73dab429a759f560952fd4c3f60bd6b3.zip
op-kernel-dev-c961922b73dab429a759f560952fd4c3f60bd6b3.tar.gz
[PATCH] libata-eh: Remove layering violation and duplication when handling absent ports
This removes the layering violation where drivers have to fiddle directly with EH flags. Instead we now recognize -ENOENT means "no port" and do the handling in the core code. This also removes an instance of a call to disable the port, and an identical printk from each driver doing this. Even better - future rule changes will be in one place only. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/pata_triflex.c')
-rw-r--r--drivers/ata/pata_triflex.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c
index 36f7887..95adf92 100644
--- a/drivers/ata/pata_triflex.c
+++ b/drivers/ata/pata_triflex.c
@@ -46,13 +46,13 @@
#define DRV_VERSION "0.2.5"
/**
- * triflex_probe_init - probe begin
+ * triflex_prereset - probe begin
* @ap: ATA port
*
* Set up cable type and use generic probe init
*/
-static int triflex_probe_init(struct ata_port *ap)
+static int triflex_prereset(struct ata_port *ap)
{
static const struct pci_bits triflex_enable_bits[] = {
{ 0x80, 1, 0x01, 0x01 },
@@ -61,11 +61,8 @@ static int triflex_probe_init(struct ata_port *ap)
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no])) {
- ata_port_disable(ap);
- printk(KERN_INFO "ata%u: port disabled. ignoring.\n", ap->id);
- return 0;
- }
+ if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no]))
+ return -ENOENT;
ap->cbl = ATA_CBL_PATA40;
return ata_std_prereset(ap);
}
@@ -74,7 +71,7 @@ static int triflex_probe_init(struct ata_port *ap)
static void triflex_error_handler(struct ata_port *ap)
{
- ata_bmdma_drive_eh(ap, triflex_probe_init, ata_std_softreset, NULL, ata_std_postreset);
+ ata_bmdma_drive_eh(ap, triflex_prereset, ata_std_softreset, NULL, ata_std_postreset);
}
/**
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