add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/block/rsxx/core.c
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@@ -1,25 +1,11 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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 * Filename: core.c
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-*
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 *
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 * Authors: Joshua Morris <josh.h.morris@us.ibm.com>
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 *	Philip Kelleher <pjk1939@linux.vnet.ibm.com>
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 *
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 * (C) Copyright 2013 IBM Corporation
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-*
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-* This program is free software; you can redistribute it and/or
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-* modify it under the terms of the GNU General Public License as
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-* published by the Free Software Foundation; either version 2 of the
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-* License, or (at your option) any later version.
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-*
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-* This program is distributed in the hope that it will be useful, but
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-* WITHOUT ANY WARRANTY; without even the implied warranty of
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-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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-* 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; if not, write to the Free Software Foundation,
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-* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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 */
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10
 
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 #include <linux/kernel.h>
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@@ -441,6 +427,7 @@
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 		 * Fall through so the DMA devices can be attached and
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 		 * the user can attempt to pull off their data.
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 		 */
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+		fallthrough;
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 	case CARD_STATE_GOOD:
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 		st = rsxx_get_card_size8(card, &card->size8);
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 		if (st)
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@@ -454,7 +441,7 @@
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 	case CARD_STATE_FAULT:
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 		dev_crit(CARD_TO_DEV(card),
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 			"Hardware Fault reported!\n");
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-		/* Fall through. */
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+		fallthrough;
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 	/* Everything else, detach DMA interface if it's attached. */
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 	case CARD_STATE_SHUTDOWN:
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@@ -577,13 +564,15 @@
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 	for (i = 0; i < card->n_targets; i++) {
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 		if (card->ctrl[i].status.buf)
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-			pci_free_consistent(card->dev, STATUS_BUFFER_SIZE8,
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-					    card->ctrl[i].status.buf,
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-					    card->ctrl[i].status.dma_addr);
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+			dma_free_coherent(&card->dev->dev,
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+					  STATUS_BUFFER_SIZE8,
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+					  card->ctrl[i].status.buf,
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+					  card->ctrl[i].status.dma_addr);
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 		if (card->ctrl[i].cmd.buf)
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-			pci_free_consistent(card->dev, COMMAND_BUFFER_SIZE8,
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-					    card->ctrl[i].cmd.buf,
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-					    card->ctrl[i].cmd.dma_addr);
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+			dma_free_coherent(&card->dev->dev,
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+					  COMMAND_BUFFER_SIZE8,
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+					  card->ctrl[i].cmd.buf,
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+					  card->ctrl[i].cmd.dma_addr);
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 	}
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 	return 0;
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@@ -640,7 +629,7 @@
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 }
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 static pci_ers_result_t rsxx_error_detected(struct pci_dev *dev,
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-					    enum pci_channel_state error)
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+					    pci_channel_state_t error)
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 {
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 	int st;
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@@ -726,15 +715,15 @@
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 failed_hw_buffers_init:
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 	for (i = 0; i < card->n_targets; i++) {
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 		if (card->ctrl[i].status.buf)
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-			pci_free_consistent(card->dev,
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-					STATUS_BUFFER_SIZE8,
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-					card->ctrl[i].status.buf,
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-					card->ctrl[i].status.dma_addr);
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+			dma_free_coherent(&card->dev->dev,
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+					  STATUS_BUFFER_SIZE8,
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+					  card->ctrl[i].status.buf,
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+					  card->ctrl[i].status.dma_addr);
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 		if (card->ctrl[i].cmd.buf)
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-			pci_free_consistent(card->dev,
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-					COMMAND_BUFFER_SIZE8,
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-					card->ctrl[i].cmd.buf,
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-					card->ctrl[i].cmd.dma_addr);
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+			dma_free_coherent(&card->dev->dev,
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+					  COMMAND_BUFFER_SIZE8,
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+					  card->ctrl[i].cmd.buf,
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+					  card->ctrl[i].cmd.dma_addr);
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 	}
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 failed_hw_setup:
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 	rsxx_eeh_failure(dev);
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@@ -782,9 +771,8 @@
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 		goto failed_enable;
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 	pci_set_master(dev);
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-	pci_set_dma_max_seg_size(dev, RSXX_HW_BLK_SIZE);
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-	st = pci_set_dma_mask(dev, DMA_BIT_MASK(64));
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+	st = dma_set_mask(&dev->dev, DMA_BIT_MASK(64));
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 	if (st) {
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 		dev_err(CARD_TO_DEV(card),
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 			"No usable DMA configuration,aborting\n");