libata: remove unused functions

This patch removes the following obsolete functions:
- libata-core.c: __sata_phy_reset()
- libata-core.c: sata_phy_reset()
- libata-eh.c: ata_qc_timeout()
- libata-eh.c: ata_eng_timeout()

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Tejun Heo <htejun@gmail.com>

1 files changed, 0 insertions, 78 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 81898036dbc..1584164e770 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2581,81 +2581,6 @@ void sata_print_link_status(struct ata_link *link)
 }
 
 /**
- *	__sata_phy_reset - Wake/reset a low-level SATA PHY
- *	@ap: SATA port associated with target SATA PHY.
- *
- *	This function issues commands to standard SATA Sxxx
- *	PHY registers, to wake up the phy (and device), and
- *	clear any reset condition.
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- */
-void __sata_phy_reset(struct ata_port *ap)
-{
-	struct ata_link *link = &ap->link;
-	unsigned long timeout = jiffies + (HZ * 5);
-	u32 sstatus;
-
-	if (ap->flags & ATA_FLAG_SATA_RESET) {
-		/* issue phy wake/reset */
-		sata_scr_write_flush(link, SCR_CONTROL, 0x301);
-		/* Couldn't find anything in SATA I/II specs, but
-		 * AHCI-1.1 10.4.2 says at least 1 ms. */
-		mdelay(1);
-	}
-	/* phy wake/clear reset */
-	sata_scr_write_flush(link, SCR_CONTROL, 0x300);
-
-	/* wait for phy to become ready, if necessary */
-	do {
-		msleep(200);
-		sata_scr_read(link, SCR_STATUS, &sstatus);
-		if ((sstatus & 0xf) != 1)
-			break;
-	} while (time_before(jiffies, timeout));
-
-	/* print link status */
-	sata_print_link_status(link);
-
-	/* TODO: phy layer with polling, timeouts, etc. */
-	if (!ata_link_offline(link))
-		ata_port_probe(ap);
-	else
-		ata_port_disable(ap);
-
-	if (ap->flags & ATA_FLAG_DISABLED)
-		return;
-
-	if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
-		ata_port_disable(ap);
-		return;
-	}
-
-	ap->cbl = ATA_CBL_SATA;
-}
-
-/**
- *	sata_phy_reset - Reset SATA bus.
- *	@ap: SATA port associated with target SATA PHY.
- *
- *	This function resets the SATA bus, and then probes
- *	the bus for devices.
- *
- *	LOCKING:
- *	PCI/etc. bus probe sem.
- *
- */
-void sata_phy_reset(struct ata_port *ap)
-{
-	__sata_phy_reset(ap);
-	if (ap->flags & ATA_FLAG_DISABLED)
-		return;
-	ata_bus_reset(ap);
-}
-
-/**
  *	ata_dev_pair		-	return other device on cable
  *	@adev: device
  *
@@ -7653,8 +7578,6 @@ EXPORT_SYMBOL_GPL(ata_dev_disable);
 EXPORT_SYMBOL_GPL(sata_set_spd);
 EXPORT_SYMBOL_GPL(sata_link_debounce);
 EXPORT_SYMBOL_GPL(sata_link_resume);
-EXPORT_SYMBOL_GPL(sata_phy_reset);
-EXPORT_SYMBOL_GPL(__sata_phy_reset);
 EXPORT_SYMBOL_GPL(ata_bus_reset);
 EXPORT_SYMBOL_GPL(ata_std_prereset);
 EXPORT_SYMBOL_GPL(ata_std_softreset);
@@ -7725,7 +7648,6 @@ EXPORT_SYMBOL_GPL(ata_port_desc);
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL_GPL(ata_port_pbar_desc);
 #endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_eng_timeout);
 EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
 EXPORT_SYMBOL_GPL(ata_link_abort);
 EXPORT_SYMBOL_GPL(ata_port_abort);