From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/crypto/img-hash.c |   21 ++++++++-------------
 1 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/kernel/drivers/crypto/img-hash.c b/kernel/drivers/crypto/img-hash.c
index b87000a..91f555c 100644
--- a/kernel/drivers/crypto/img-hash.c
+++ b/kernel/drivers/crypto/img-hash.c
@@ -1,15 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2014 Imagination Technologies
  * Authors:  Will Thomas, James Hartley
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
  *
  *	Interface structure taken from omap-sham driver
  */
 
 #include <linux/clk.h>
+#include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -106,7 +104,7 @@
 	struct ahash_request	fallback_req;
 
 	/* Zero length buffer must remain last member of struct */
-	u8 buffer[0] __aligned(sizeof(u32));
+	u8 buffer[] __aligned(sizeof(u32));
 };
 
 struct img_hash_ctx {
@@ -333,12 +331,12 @@
 static int img_hash_dma_init(struct img_hash_dev *hdev)
 {
 	struct dma_slave_config dma_conf;
-	int err = -EINVAL;
+	int err;
 
-	hdev->dma_lch = dma_request_slave_channel(hdev->dev, "tx");
-	if (!hdev->dma_lch) {
+	hdev->dma_lch = dma_request_chan(hdev->dev, "tx");
+	if (IS_ERR(hdev->dma_lch)) {
 		dev_err(hdev->dev, "Couldn't acquire a slave DMA channel.\n");
-		return -EBUSY;
+		return PTR_ERR(hdev->dma_lch);
 	}
 	dma_conf.direction = DMA_MEM_TO_DEV;
 	dma_conf.dst_addr = hdev->bus_addr;
@@ -961,9 +959,7 @@
 	crypto_init_queue(&hdev->queue, IMG_HASH_QUEUE_LENGTH);
 
 	/* Register bank */
-	hash_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	hdev->io_base = devm_ioremap_resource(dev, hash_res);
+	hdev->io_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hdev->io_base)) {
 		err = PTR_ERR(hdev->io_base);
 		dev_err(dev, "can't ioremap, returned %d\n", err);
@@ -983,7 +979,6 @@
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		dev_err(dev, "no IRQ resource info\n");
 		err = irq;
 		goto res_err;
 	}

--
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