add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/dma/altera-msgdma.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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  * DMA driver for Altera mSGDMA IP core
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  *
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@@ -5,11 +6,6 @@
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  *
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  * Based on drivers/dma/xilinx/zynqmp_dma.c, which is:
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  * Copyright (C) 2016 Xilinx, Inc. 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 as published by
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- * the Free Software Foundation, either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #include <linux/bitops.h>
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@@ -157,7 +153,8 @@
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  * struct msgdma_sw_desc - implements a sw descriptor
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  * @async_tx: support for the async_tx api
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  * @hw_desc: assosiated HW descriptor
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- * @free_list: node of the free SW descriprots list
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+ * @node: node to move from the free list to the tx list
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+ * @tx_list: transmit list node
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  */
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 struct msgdma_sw_desc {
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 	struct dma_async_tx_descriptor async_tx;
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@@ -166,7 +163,7 @@
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 	struct list_head tx_list;
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 };
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-/**
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+/*
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  * struct msgdma_device - DMA device structure
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  */
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 struct msgdma_device {
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@@ -262,6 +259,7 @@
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  * @dst: Destination buffer address
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  * @src: Source buffer address
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  * @len: Transfer length
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+ * @stride: Read/write stride value to set
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  */
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 static void msgdma_desc_config(struct msgdma_extended_desc *desc,
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 			       dma_addr_t dst, dma_addr_t src, size_t len,
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@@ -680,11 +678,11 @@
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 /**
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  * msgdma_tasklet - Schedule completion tasklet
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- * @data: Pointer to the Altera sSGDMA channel structure
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+ * @t: Pointer to the Altera sSGDMA channel structure
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  */
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-static void msgdma_tasklet(unsigned long data)
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+static void msgdma_tasklet(struct tasklet_struct *t)
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 {
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-	struct msgdma_device *mdev = (struct msgdma_device *)data;
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+	struct msgdma_device *mdev = from_tasklet(mdev, t, irq_tasklet);
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 	u32 count;
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 	u32 __maybe_unused size;
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 	u32 __maybe_unused status;
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@@ -776,10 +774,10 @@
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 		return -EBUSY;
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 	}
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-	*ptr = devm_ioremap_nocache(device, region->start,
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+	*ptr = devm_ioremap(device, region->start,
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 				    resource_size(region));
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 	if (*ptr == NULL) {
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-		dev_err(device, "ioremap_nocache of %s failed!", name);
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+		dev_err(device, "ioremap of %s failed!", name);
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 		return -ENOMEM;
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 	}
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@@ -832,7 +830,7 @@
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 	if (ret)
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 		return ret;
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-	tasklet_init(&mdev->irq_tasklet, msgdma_tasklet, (unsigned long)mdev);
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+	tasklet_setup(&mdev->irq_tasklet, msgdma_tasklet);
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 	dma_cookie_init(&mdev->dmachan);
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