add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/ata/sata_promise.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  sata_promise.c - Promise SATA
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  *
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@@ -8,27 +9,10 @@
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  *
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  *  Copyright 2003-2004 Red Hat, Inc.
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  *
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2, or (at your option)
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- *  any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; see the file COPYING.  If not, write to
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- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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- *
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- *
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  *  libata documentation is available via 'make {ps|pdf}docs',
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  *  as Documentation/driver-api/libata.rst
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  *
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  *  Hardware information only available under NDA.
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- *
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  */
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 #include <linux/kernel.h>
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@@ -173,7 +157,6 @@
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 static void pdc_error_handler(struct ata_port *ap);
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 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
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 static int pdc_pata_cable_detect(struct ata_port *ap);
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-static int pdc_sata_cable_detect(struct ata_port *ap);
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 static struct scsi_host_template pdc_ata_sht = {
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 	ATA_BASE_SHT(DRV_NAME),
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@@ -199,7 +182,7 @@
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 static struct ata_port_operations pdc_sata_ops = {
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 	.inherits		= &pdc_common_ops,
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-	.cable_detect		= pdc_sata_cable_detect,
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+	.cable_detect		= ata_cable_sata,
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 	.freeze			= pdc_sata_freeze,
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 	.thaw			= pdc_sata_thaw,
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 	.scr_read		= pdc_sata_scr_read,
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@@ -475,11 +458,6 @@
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 	return ATA_CBL_PATA80;
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 }
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-static int pdc_sata_cable_detect(struct ata_port *ap)
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-{
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-	return ATA_CBL_SATA;
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-}
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-
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 static int pdc_sata_scr_read(struct ata_link *link,
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 			     unsigned int sc_reg, u32 *val)
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 {
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@@ -659,7 +637,7 @@
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 	switch (qc->tf.protocol) {
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 	case ATA_PROT_DMA:
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 		pdc_fill_sg(qc);
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-		/*FALLTHROUGH*/
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+		fallthrough;
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 	case ATA_PROT_NODATA:
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 		i = pdc_pkt_header(&qc->tf, qc->ap->bmdma_prd_dma,
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 				   qc->dev->devno, pp->pkt);
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@@ -674,7 +652,7 @@
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 		break;
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 	case ATAPI_PROT_DMA:
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 		pdc_fill_sg(qc);
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-		/*FALLTHROUGH*/
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+		fallthrough;
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 	case ATAPI_PROT_NODATA:
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 		pdc_atapi_pkt(qc);
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 		break;
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@@ -1044,11 +1022,11 @@
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 	case ATAPI_PROT_NODATA:
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 		if (qc->dev->flags & ATA_DFLAG_CDB_INTR)
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 			break;
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-		/*FALLTHROUGH*/
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+		fallthrough;
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 	case ATA_PROT_NODATA:
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 		if (qc->tf.flags & ATA_TFLAG_POLLING)
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 			break;
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-		/*FALLTHROUGH*/
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+		fallthrough;
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 	case ATAPI_PROT_DMA:
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 	case ATA_PROT_DMA:
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 		pdc_packet_start(qc);
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@@ -1248,10 +1226,7 @@
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 	/* initialize adapter */
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 	pdc_host_init(host);
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-	rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK);
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-	if (rc)
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-		return rc;
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-	rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
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+	rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
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 	if (rc)
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 		return rc;
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