forked from ~ljy/RK356X_SDK_RELEASE
blame | history | patch | commit | commitdiff
hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/ata/sata_mv.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * sata_mv.c - Marvell SATA support
34  *
....@@ -9,20 +10,6 @@
910  * Extensive overhaul and enhancement by Mark Lord <mlord@pobox.com>.
1011  *
1112  * Please ALWAYS copy linux-ide@vger.kernel.org on emails.
12
- *
13
- * This program is free software; you can redistribute it and/or modify
14
- * it under the terms of the GNU General Public License as published by
15
- * the Free Software Foundation; version 2 of the License.
16
- *
17
- * This program is distributed in the hope that it will be useful,
18
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
19
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
- * GNU General Public License for more details.
21
- *
22
- * You should have received a copy of the GNU General Public License
23
- * along with this program; if not, write to the Free Software
24
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
25
- *
2613  */
2714 
2815 /*
....@@ -2023,7 +2010,7 @@
20232010 				break;
20242011 			case ATA_CMD_WRITE_MULTI_FUA_EXT:
20252012 				tf->flags &= ~ATA_TFLAG_FUA; /* ugh */
2026
-				/* fall through */
2013
+				fallthrough;
20272014 			case ATA_CMD_WRITE_MULTI_EXT:
20282015 				tf->command = ATA_CMD_PIO_WRITE_EXT;
20292016 				break;
....@@ -2057,7 +2044,7 @@
20572044 	case ATA_PROT_DMA:
20582045 		if (tf->command == ATA_CMD_DSM)
20592046 			return AC_ERR_OK;
2060
-		/* fall-thru */
2047
+		fallthrough;
20612048 	case ATA_PROT_NCQ:
20622049 		break;	/* continue below */
20632050 	case ATA_PROT_PIO:
....@@ -2309,7 +2296,7 @@
23092296 	switch (qc->tf.protocol) {
23102297 	case ATAPI_PROT_PIO:
23112298 		pp->pp_flags |= MV_PP_FLAG_FAKE_ATA_BUSY;
2312
-		/* fall through */
2299
+		fallthrough;
23132300 	case ATAPI_PROT_NODATA:
23142301 		ap->hsm_task_state = HSM_ST_FIRST;
23152302 		break;
....@@ -2360,7 +2347,7 @@
23602347 				return AC_ERR_OTHER;
23612348 			break;  /* use bmdma for this */
23622349 		}
2363
-		/* fall thru */
2350
+		fallthrough;
23642351 	case ATA_PROT_NCQ:
23652352 		mv_start_edma(ap, port_mmio, pp, qc->tf.protocol);
23662353 		pp->req_idx = (pp->req_idx + 1) & MV_MAX_Q_DEPTH_MASK;
....@@ -2389,7 +2376,7 @@
23892376 				      ": attempting PIO w/multiple DRQ: "
23902377 				      "this may fail due to h/w errata\n");
23912378 		}
2392
-		/* fall through */
2379
+		fallthrough;
23932380 	case ATA_PROT_NODATA:
23942381 	case ATAPI_PROT_PIO:
23952382 	case ATAPI_PROT_NODATA:
....@@ -3877,7 +3864,7 @@
38773864 				" and avoid the final two gigabytes on"
38783865 				" all RocketRAID BIOS initialized drives.\n");
38793866 		}
3880
-		/* fall through */
3867
+		fallthrough;
38813868 	case chip_6042:
38823869 		hpriv->ops = &mv6xxx_ops;
38833870 		hp_flags |= MV_HP_GEN_IIE;
....@@ -4333,38 +4320,6 @@
43334320 
43344321 };
43354322 
4336
-/* move to PCI layer or libata core? */
4337
-static int pci_go_64(struct pci_dev *pdev)
4338
-{
4339
-	int rc;
4340
-
4341
-	if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
4342
-		rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
4343
-		if (rc) {
4344
-			rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
4345
-			if (rc) {
4346
-				dev_err(&pdev->dev,
4347
-					"64-bit DMA enable failed\n");
4348
-				return rc;
4349
-			}
4350
-		}
4351
-	} else {
4352
-		rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
4353
-		if (rc) {
4354
-			dev_err(&pdev->dev, "32-bit DMA enable failed\n");
4355
-			return rc;
4356
-		}
4357
-		rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
4358
-		if (rc) {
4359
-			dev_err(&pdev->dev,
4360
-				"32-bit consistent DMA enable failed\n");
4361
-			return rc;
4362
-		}
4363
-	}
4364
-
4365
-	return rc;
4366
-}
4367
-
43684323 /**
43694324  *      mv_print_info - Dump key info to kernel log for perusal.
43704325  *      @host: ATA host to print info about
....@@ -4449,9 +4404,11 @@
44494404 	host->iomap = pcim_iomap_table(pdev);
44504405 	hpriv->base = host->iomap[MV_PRIMARY_BAR];
44514406 
4452
-	rc = pci_go_64(pdev);
4453
-	if (rc)
4407
+	rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
4408
+	if (rc) {
4409
+		dev_err(&pdev->dev, "DMA enable failed\n");
44544410 		return rc;
4411
+	}
44554412 
44564413 	rc = mv_create_dma_pools(hpriv, &pdev->dev);
44574414 	if (rc)