add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/ieee802154/ca8210.c
..
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@@ -53,6 +53,7 @@
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 #include <linux/delay.h>
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 #include <linux/gpio.h>
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 #include <linux/ieee802154.h>
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+#include <linux/io.h>
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 #include <linux/kfifo.h>
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 #include <linux/of.h>
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 #include <linux/of_device.h>
..
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@@ -925,7 +926,7 @@
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 	dev_dbg(&spi->dev, "%s called\n", __func__);
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-	cas_ctl = kmalloc(sizeof(*cas_ctl), GFP_ATOMIC);
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+	cas_ctl = kzalloc(sizeof(*cas_ctl), GFP_ATOMIC);
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 	if (!cas_ctl)
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 		return -ENOMEM;
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..
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@@ -945,7 +946,8 @@
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 	cas_ctl->transfer.bits_per_word = 0; /* Use device setting */
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 	cas_ctl->transfer.tx_buf = cas_ctl->tx_buf;
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 	cas_ctl->transfer.rx_buf = cas_ctl->tx_in_buf;
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-	cas_ctl->transfer.delay_usecs = 0;
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+	cas_ctl->transfer.delay.value = 0;
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+	cas_ctl->transfer.delay.unit = SPI_DELAY_UNIT_USECS;
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 	cas_ctl->transfer.cs_change = 0;
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 	cas_ctl->transfer.len = sizeof(struct mac_message);
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 	cas_ctl->msg.complete = ca8210_spi_transfer_complete;
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@@ -3020,14 +3022,7 @@
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 		priv,
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 		&test_int_fops
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 	);
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-	if (IS_ERR(test->ca8210_dfs_spi_int)) {
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-		dev_err(
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-			&priv->spi->dev,
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-			"Error %ld when creating debugfs node\n",
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-			PTR_ERR(test->ca8210_dfs_spi_int)
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-		);
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-		return PTR_ERR(test->ca8210_dfs_spi_int);
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-	}
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+
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 	debugfs_create_symlink("ca8210", NULL, node_name);
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 	init_waitqueue_head(&test->readq);
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 	return kfifo_alloc(