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| author | Tejun Heo | 2007-09-23 06:14:11 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2007-10-12 20:55:40 +0200 |
| commit | 854c73a2f1c3bcc4aa88c25e208dc597e8efb795 (patch) | |
| tree | 210569f3c4fa4f9413ceb0bc3fcf89648a9894b2 /drivers/ata/libata-core.c | |
| parent | [libata] SCSI: simulator version, not device version, belongs in VPD (diff) | |
| download | kernel-qcow2-linux-854c73a2f1c3bcc4aa88c25e208dc597e8efb795.tar.gz kernel-qcow2-linux-854c73a2f1c3bcc4aa88c25e208dc597e8efb795.tar.xz kernel-qcow2-linux-854c73a2f1c3bcc4aa88c25e208dc597e8efb795.zip | |
libata: misc updates for AN
Update AN support in preparation of PMP support.
* s/ata_id_has_AN/ata_id_has_atapi_AN/
* add AN enabled reporting during configuration
* add err_mask to AN configuration failure reporting
* update LOCKING comment for ata_scsi_media_change_notify()
* check whether ATA dev is attached to SCSI dev ata_scsi_media_change_notify()
* set ATA_FLAG_AN in ahci and sata_sil24
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Kriten Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8d425064ce2c..1daea1caf3e5 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2010,7 +2010,8 @@ int ata_dev_configure(struct ata_device *dev) /* ATAPI-specific feature tests */ else if (dev->class == ATA_DEV_ATAPI) { - char *cdb_intr_string = ""; + const char *cdb_intr_string = ""; + const char *atapi_an_string = ""; rc = atapi_cdb_len(id); if ((rc < 12) || (rc > ATAPI_CDB_LEN)) { @@ -2026,16 +2027,19 @@ int ata_dev_configure(struct ata_device *dev) * check to see if this ATAPI device supports * Asynchronous Notification */ - if ((ap->flags & ATA_FLAG_AN) && ata_id_has_AN(id)) { - int err; + if ((ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id)) { + unsigned int err_mask; + /* issue SET feature command to turn this on */ - err = ata_dev_set_AN(dev, SETFEATURES_SATA_ENABLE); - if (err) + err_mask = ata_dev_set_AN(dev, SETFEATURES_SATA_ENABLE); + if (err_mask) ata_dev_printk(dev, KERN_ERR, - "unable to set AN, err %x\n", - err); - else + "failed to enable ATAPI AN " + "(err_mask=0x%x)\n", err_mask); + else { dev->flags |= ATA_DFLAG_AN; + atapi_an_string = ", ATAPI AN"; + } } if (ata_id_cdb_intr(dev->id)) { @@ -2046,10 +2050,10 @@ int ata_dev_configure(struct ata_device *dev) /* print device info to dmesg */ if (ata_msg_drv(ap) && print_info) ata_dev_printk(dev, KERN_INFO, - "ATAPI: %s, %s, max %s%s\n", + "ATAPI: %s, %s, max %s%s%s\n", modelbuf, fwrevbuf, ata_mode_string(xfer_mask), - cdb_intr_string); + cdb_intr_string, atapi_an_string); } /* determine max_sectors */ |