add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/wireless/st/cw1200/cw1200_spi.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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  * Mac80211 SPI driver for ST-Ericsson CW1200 device
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  *
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@@ -7,10 +8,6 @@
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  * Based on cw1200_sdio.c
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  * Copyright (c) 2010, ST-Ericsson
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  * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
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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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@@ -271,15 +268,11 @@
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 	return ret;
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 }
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-static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
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+static void cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
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 {
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-	int ret = 0;
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-
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 	pr_debug("SW IRQ unsubscribe\n");
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 	disable_irq_wake(self->func->irq);
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 	free_irq(self->func->irq, self);
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-
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-	return ret;
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 }
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 static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata)