change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/crypto/qce/dma.c
..
..
@@ -1,14 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
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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 version 2 and
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- * only version 2 as published by the Free Software Foundation.
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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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5
 
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 #include <linux/dmaengine.h>
..
..
@@ -20,11 +12,11 @@
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 {
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 	int ret;
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-	dma->txchan = dma_request_slave_channel_reason(dev, "tx");
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+	dma->txchan = dma_request_chan(dev, "tx");
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 	if (IS_ERR(dma->txchan))
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 		return PTR_ERR(dma->txchan);
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-	dma->rxchan = dma_request_slave_channel_reason(dev, "rx");
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+	dma->rxchan = dma_request_chan(dev, "rx");
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 	if (IS_ERR(dma->rxchan)) {
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 		ret = PTR_ERR(dma->rxchan);
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 		goto error_rx;
..
..
@@ -55,9 +47,11 @@
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 }
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 struct scatterlist *
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-qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl)
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+qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl,
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+		unsigned int max_len)
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 {
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 	struct scatterlist *sg = sgt->sgl, *sg_last = NULL;
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+	unsigned int new_len;
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 	while (sg) {
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 		if (!sg_page(sg))
..
..
@@ -68,12 +62,13 @@
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 	if (!sg)
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 		return ERR_PTR(-EINVAL);
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-	while (new_sgl && sg) {
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-		sg_set_page(sg, sg_page(new_sgl), new_sgl->length,
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-			    new_sgl->offset);
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+	while (new_sgl && sg && max_len) {
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+		new_len = new_sgl->length > max_len ? max_len : new_sgl->length;
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+		sg_set_page(sg, sg_page(new_sgl), new_len, new_sgl->offset);
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 		sg_last = sg;
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 		sg = sg_next(sg);
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 		new_sgl = sg_next(new_sgl);
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+		max_len -= new_len;
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 	}
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 	return sg_last;