[PATCH] libata: implement ata_std_probeinit()
This patch implements the off-the-shelf probeinit component operation. Currently, all it does is waking up the PHY if it's a SATA port. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -2295,6 +2295,19 @@ static int sata_phy_resume(struct ata_port *ap)
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return -1;
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}
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/**
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* ata_std_probeinit - initialize probing
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* @ap: port to be probed
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*
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* @ap is about to be probed. Initialize it. This function is
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* to be used as standard callback for ata_drive_probe_reset().
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*/
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extern void ata_std_probeinit(struct ata_port *ap)
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{
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if (ap->flags & ATA_FLAG_SATA && ap->ops->scr_read)
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sata_phy_resume(ap);
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}
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/**
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* ata_std_softreset - reset host port via ATA SRST
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* @ap: port to reset
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@ -2485,7 +2498,7 @@ int ata_std_probe_reset(struct ata_port *ap, unsigned int *classes)
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if (ap->flags & ATA_FLAG_SATA && ap->ops->scr_read)
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hardreset = sata_std_hardreset;
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return ata_drive_probe_reset(ap, NULL,
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return ata_drive_probe_reset(ap, ata_std_probeinit,
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ata_std_softreset, hardreset,
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ata_std_postreset, classes);
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}
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@ -5535,6 +5548,7 @@ EXPORT_SYMBOL_GPL(ata_port_probe);
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EXPORT_SYMBOL_GPL(sata_phy_reset);
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EXPORT_SYMBOL_GPL(__sata_phy_reset);
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EXPORT_SYMBOL_GPL(ata_bus_reset);
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EXPORT_SYMBOL_GPL(ata_std_probeinit);
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EXPORT_SYMBOL_GPL(ata_std_softreset);
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EXPORT_SYMBOL_GPL(sata_std_hardreset);
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EXPORT_SYMBOL_GPL(ata_std_postreset);
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@ -488,6 +488,7 @@ extern int ata_drive_probe_reset(struct ata_port *ap,
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ata_probeinit_fn_t probeinit,
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ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
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ata_postreset_fn_t postreset, unsigned int *classes);
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extern void ata_std_probeinit(struct ata_port *ap);
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extern int ata_std_softreset(struct ata_port *ap, int verbose,
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unsigned int *classes);
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extern int sata_std_hardreset(struct ata_port *ap, int verbose,
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