add stmac read mac form eeprom

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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/codecs/wm0010.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * wm0010.c  --  WM0010 DSP Driver
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  *
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@@ -6,10 +7,6 @@
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  * Authors: Mark Brown <broonie@opensource.wolfsonmicro.com>
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  *          Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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  *          Scott Ling <sl@opensource.wolfsonmicro.com>
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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 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/module.h>
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@@ -46,7 +43,7 @@
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 	u8 command;
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 	u32 length:24;
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 	u32 address;
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-	uint8_t data[0];
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+	uint8_t data[];
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 } __packed;
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48
 
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 struct dfw_inforec {
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@@ -349,7 +346,7 @@
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 	struct list_head xfer_list;
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 	struct wm0010_boot_xfer *xfer;
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 	int ret;
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-	struct completion done;
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+	DECLARE_COMPLETION_ONSTACK(done);
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 	const struct firmware *fw;
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 	const struct dfw_binrec *rec;
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 	const struct dfw_inforec *inforec;
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@@ -373,7 +370,6 @@
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 	wm0010->boot_failed = false;
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 	if (WARN_ON(!list_empty(&xfer_list)))
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 		return -EINVAL;
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-	init_completion(&done);
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 	/* First record should be INFO */
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 	if (rec->command != DFW_CMD_INFO) {
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@@ -518,7 +514,7 @@
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 	dev_dbg(component->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
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 	/* Copy to local buffer first as vmalloc causes problems for dma */
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-	img = kzalloc(fw->size, GFP_KERNEL | GFP_DMA);
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+	img = kmemdup(&fw->data[0], fw->size, GFP_KERNEL | GFP_DMA);
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 	if (!img) {
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 		ret = -ENOMEM;
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 		goto abort2;
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@@ -529,8 +525,6 @@
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 		ret = -ENOMEM;
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 		goto abort1;
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 	}
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-
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-	memcpy(img, &fw->data[0], fw->size);
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 	spi_message_init(&m);
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 	memset(&t, 0, sizeof(t));