diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-11 01:44:14 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-11 01:44:14 -0400 |
| commit | 68399bb5080c1d96f2110b0a040b39d3ccd7a18a (patch) | |
| tree | 678151c01ea0277c6f7d1a7c5fcc5a3ebe54997b | |
| parent | edea3ab58f8edd5f72d31f891ab4f34382e97e3a (diff) | |
[libata pdc_adma] license update, minor cleanup
from me: change from OSL+GPL to GPL (with approval)
from Mark: Gets rid of an unneeded control bit, slightly increasing
throughput.
| -rw-r--r-- | drivers/scsi/pdc_adma.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c index ce006a5b4533..53b8db4be1a9 100644 --- a/drivers/scsi/pdc_adma.c +++ b/drivers/scsi/pdc_adma.c | |||
| @@ -5,21 +5,24 @@ | |||
| 5 | * | 5 | * |
| 6 | * Copyright 2005 Mark Lord | 6 | * Copyright 2005 Mark Lord |
| 7 | * | 7 | * |
| 8 | * The contents of this file are subject to the Open | 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * Software License version 1.1 that can be found at | 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * http://www.opensource.org/licenses/osl-1.1.txt and is included herein | 10 | * the Free Software Foundation; either version 2, or (at your option) |
| 11 | * by reference. | 11 | * any later version. |
| 12 | * | ||
| 13 | * This program is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 | * GNU General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU General Public License | ||
| 19 | * along with this program; see the file COPYING. If not, write to | ||
| 20 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 21 | * | ||
| 22 | * | ||
| 23 | * libata documentation is available via 'make {ps|pdf}docs', | ||
| 24 | * as Documentation/DocBook/libata.* | ||
| 12 | * | 25 | * |
| 13 | * Alternatively, the contents of this file may be used under the terms | ||
| 14 | * of the GNU General Public License version 2 (the "GPL") as distributed | ||
| 15 | * in the kernel source COPYING file, in which case the provisions of | ||
| 16 | * the GPL are applicable instead of the above. If you wish to allow | ||
| 17 | * the use of your version of this file only under the terms of the | ||
| 18 | * GPL and not to allow others to use your version of this file under | ||
| 19 | * the OSL, indicate your decision by deleting the provisions above and | ||
| 20 | * replace them with the notice and other provisions required by the GPL. | ||
| 21 | * If you do not delete the provisions above, a recipient may use your | ||
| 22 | * version of this file under either the OSL or the GPL. | ||
| 23 | * | 26 | * |
| 24 | * Supports ATA disks in single-packet ADMA mode. | 27 | * Supports ATA disks in single-packet ADMA mode. |
| 25 | * Uses PIO for everything else. | 28 | * Uses PIO for everything else. |
| @@ -76,7 +79,6 @@ enum { | |||
| 76 | aNIEN = (1 << 8), /* irq mask: 1==masked */ | 79 | aNIEN = (1 << 8), /* irq mask: 1==masked */ |
| 77 | aGO = (1 << 7), /* packet trigger ("Go!") */ | 80 | aGO = (1 << 7), /* packet trigger ("Go!") */ |
| 78 | aRSTADM = (1 << 5), /* ADMA logic reset */ | 81 | aRSTADM = (1 << 5), /* ADMA logic reset */ |
| 79 | aAUTEN = (1 << 3), /* packet trigger ("Go!") */ | ||
| 80 | aRSTA = (1 << 2), /* ATA hard reset */ | 82 | aRSTA = (1 << 2), /* ATA hard reset */ |
| 81 | aPIOMD4 = 0x0003, /* PIO mode 4 */ | 83 | aPIOMD4 = 0x0003, /* PIO mode 4 */ |
| 82 | 84 | ||
| @@ -415,7 +417,7 @@ static inline void adma_packet_start(struct ata_queued_cmd *qc) | |||
| 415 | VPRINTK("ENTER, ap %p\n", ap); | 417 | VPRINTK("ENTER, ap %p\n", ap); |
| 416 | 418 | ||
| 417 | /* fire up the ADMA engine */ | 419 | /* fire up the ADMA engine */ |
| 418 | writew(aPIOMD4 | aGO | aAUTEN, chan + ADMA_CONTROL); | 420 | writew(aPIOMD4 | aGO, chan + ADMA_CONTROL); |
| 419 | } | 421 | } |
| 420 | 422 | ||
| 421 | static int adma_qc_issue(struct ata_queued_cmd *qc) | 423 | static int adma_qc_issue(struct ata_queued_cmd *qc) |
