diff options
Diffstat (limited to 'drivers/scsi/libsas/sas_init.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_init.c | 61 |
1 files changed, 23 insertions, 38 deletions
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index 221340ee8651..d50810da53a9 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -1,26 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Serial Attached SCSI (SAS) Transport Layer initialization * * Copyright (C) 2005 Adaptec, Inc. All rights reserved. * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> - * - * This file is licensed under GPLv2. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - * */ #include <linux/module.h> @@ -87,25 +70,27 @@ EXPORT_SYMBOL_GPL(sas_free_task); /*------------ SAS addr hash -----------*/ void sas_hash_addr(u8 *hashed, const u8 *sas_addr) { - const u32 poly = 0x00DB2777; - u32 r = 0; - int i; - - for (i = 0; i < 8; i++) { - int b; - for (b = 7; b >= 0; b--) { - r <<= 1; - if ((1 << b) & sas_addr[i]) { - if (!(r & 0x01000000)) - r ^= poly; - } else if (r & 0x01000000) - r ^= poly; - } - } - - hashed[0] = (r >> 16) & 0xFF; - hashed[1] = (r >> 8) & 0xFF ; - hashed[2] = r & 0xFF; + const u32 poly = 0x00DB2777; + u32 r = 0; + int i; + + for (i = 0; i < SAS_ADDR_SIZE; i++) { + int b; + + for (b = (SAS_ADDR_SIZE - 1); b >= 0; b--) { + r <<= 1; + if ((1 << b) & sas_addr[i]) { + if (!(r & 0x01000000)) + r ^= poly; + } else if (r & 0x01000000) { + r ^= poly; + } + } + } + + hashed[0] = (r >> 16) & 0xFF; + hashed[1] = (r >> 8) & 0xFF; + hashed[2] = r & 0xFF; } int sas_register_ha(struct sas_ha_struct *sas_ha) @@ -623,7 +608,7 @@ struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy) if (atomic_read(&phy->event_nr) > phy->ha->event_thres) { if (i->dft->lldd_control_phy) { if (cmpxchg(&phy->in_shutdown, 0, 1) == 0) { - pr_notice("The phy%02d bursting events, shut it down.\n", + pr_notice("The phy%d bursting events, shut it down.\n", phy->id); sas_notify_phy_event(phy, PHYE_SHUTDOWN); } |