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| author | Tejun Heo <htejun@gmail.com> | 2006-02-02 18:20:00 +0900 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 01:59:52 -0500 |
| commit | 7944ea9522ce0ea32d57894b3dc2540b0bdca66e (patch) | |
| tree | ad45c0cccefa40c2b91fbeee6bfa156fa04aeeb4 /drivers/scsi/libata-core.c | |
| parent | 5140788f77d71b4f05fde217adbfb0c92f28f20c (diff) | |
| download | lwn-7944ea9522ce0ea32d57894b3dc2540b0bdca66e.tar.gz lwn-7944ea9522ce0ea32d57894b3dc2540b0bdca66e.zip | |
[PATCH] libata: add probeinit component operation to ata_drive_probe_reset()
This patch adds probeinit component operation to
ata_drive_probe_reset(). If present, this new operation is called
before performing any reset. The operations's roll is to prepare @ap
for following probe-reset operations.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi/libata-core.c')
| -rw-r--r-- | drivers/scsi/libata-core.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 99f4bf6022ee..c36c5a9a4617 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2485,7 +2485,8 @@ int ata_std_probe_reset(struct ata_port *ap, unsigned int *classes) if (ap->flags & ATA_FLAG_SATA && ap->ops->scr_read) hardreset = sata_std_hardreset; - return ata_drive_probe_reset(ap, ata_std_softreset, hardreset, + return ata_drive_probe_reset(ap, NULL, + ata_std_softreset, hardreset, ata_std_postreset, classes); } @@ -2524,6 +2525,7 @@ static int do_probe_reset(struct ata_port *ap, ata_reset_fn_t reset, /** * ata_drive_probe_reset - Perform probe reset with given methods * @ap: port to reset + * @probeinit: probeinit method (can be NULL) * @softreset: softreset method (can be NULL) * @hardreset: hardreset method (can be NULL) * @postreset: postreset method (can be NULL) @@ -2552,12 +2554,15 @@ static int do_probe_reset(struct ata_port *ap, ata_reset_fn_t reset, * if classification fails, and any error code from reset * methods. */ -int ata_drive_probe_reset(struct ata_port *ap, +int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, ata_postreset_fn_t postreset, unsigned int *classes) { int rc = -EINVAL; + if (probeinit) + probeinit(ap); + if (softreset) { rc = do_probe_reset(ap, softreset, postreset, classes); if (rc == 0) |