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authorYuan-Hsin Chen <yhchen@faraday-tech.com>2011-06-21 17:17:38 +0800
committerJeff Garzik <jgarzik@pobox.com>2011-07-23 17:57:36 -0400
commit345347c5d767332d7352f220808fe9b5e4af8c6b (patch)
tree7168a49db28e6fa13f938e21d6d661ff2b0be7ae /drivers/ata/ahci.c
parent8ea7645c5a949f9d0ea86edc0778713b5e63ab74 (diff)
ahci: move ahci_sb600_softreset to libahci.c and rename it
ahci_sb600_softreset was in ahci.c. This function is used to fix soft reset failure and renames as ahci_pmp_retry_softreset in libahci.c. Signed-off-by: Yuan-Hsin Chen <yhchen@faraday-tech.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c60
1 files changed, 2 insertions, 58 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6ea99df87146..fd318ac36432 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -79,8 +79,6 @@ enum board_ids {
};
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
-static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline);
static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
@@ -104,12 +102,6 @@ static struct ata_port_operations ahci_p5wdh_ops = {
.hardreset = ahci_p5wdh_hardreset,
};
-static struct ata_port_operations ahci_sb600_ops = {
- .inherits = &ahci_ops,
- .softreset = ahci_sb600_softreset,
- .pmp_softreset = ahci_sb600_softreset,
-};
-
#define AHCI_HFLAGS(flags) .private_data = (void *)(flags)
static const struct ata_port_info ahci_port_info[] = {
@@ -188,7 +180,7 @@ static const struct ata_port_info ahci_port_info[] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
- .port_ops = &ahci_sb600_ops,
+ .port_ops = &ahci_pmp_retry_srst_ops,
},
[board_ahci_sb700] = /* for SB700 and SB800 */
{
@@ -196,7 +188,7 @@ static const struct ata_port_info ahci_port_info[] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
- .port_ops = &ahci_sb600_ops,
+ .port_ops = &ahci_pmp_retry_srst_ops,
},
[board_ahci_vt8251] =
{
@@ -502,54 +494,6 @@ static void ahci_pci_init_controller(struct ata_host *host)
ahci_init_controller(host);
}
-static int ahci_sb600_check_ready(struct ata_link *link)
-{
- void __iomem *port_mmio = ahci_port_base(link->ap);
- u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
- u32 irq_status = readl(port_mmio + PORT_IRQ_STAT);
-
- /*
- * There is no need to check TFDATA if BAD PMP is found due to HW bug,
- * which can save timeout delay.
- */
- if (irq_status & PORT_IRQ_BAD_PMP)
- return -EIO;
-
- return ata_check_ready(status);
-}
-
-static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline)
-{
- struct ata_port *ap = link->ap;
- void __iomem *port_mmio = ahci_port_base(ap);
- int pmp = sata_srst_pmp(link);
- int rc;
- u32 irq_sts;
-
- DPRINTK("ENTER\n");
-
- rc = ahci_do_softreset(link, class, pmp, deadline,
- ahci_sb600_check_ready);
-
- /*
- * Soft reset fails on some ATI chips with IPMS set when PMP
- * is enabled but SATA HDD/ODD is connected to SATA port,
- * do soft reset again to port 0.
- */
- if (rc == -EIO) {
- irq_sts = readl(port_mmio + PORT_IRQ_STAT);
- if (irq_sts & PORT_IRQ_BAD_PMP) {
- ata_link_warn(link,
- "applying SB600 PMP SRST workaround and retrying\n");
- rc = ahci_do_softreset(link, class, 0, deadline,
- ahci_check_ready);
- }
- }
-
- return rc;
-}
-
static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline)
{