rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/drivers/net/phy/fixed_phy.c
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@@ -23,7 +23,6 @@
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 #include <linux/slab.h>
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 #include <linux/of.h>
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 #include <linux/gpio.h>
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-#include <linux/seqlock.h>
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 #include <linux/idr.h>
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 #include "swphy.h"
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@@ -36,7 +35,6 @@
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 struct fixed_phy {
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 	int addr;
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 	struct phy_device *phydev;
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-	seqcount_t seqcount;
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 	struct fixed_phy_status status;
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 	int (*link_update)(struct net_device *, struct fixed_phy_status *);
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 	struct list_head node;
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@@ -62,18 +60,15 @@
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 	list_for_each_entry(fp, &fmb->phys, node) {
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 		if (fp->addr == phy_addr) {
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 			struct fixed_phy_status state;
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-			int s;
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-			do {
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-				s = read_seqcount_begin(&fp->seqcount);
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-				/* Issue callback if user registered it. */
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-				if (fp->link_update)
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-					fp->link_update(fp->phydev->attached_dev,
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-							&fp->status);
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-				/* Check the GPIO for change in status */
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-				fixed_phy_update(fp);
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-				state = fp->status;
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-			} while (read_seqcount_retry(&fp->seqcount, s));
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+			/* Issue callback if user registered it. */
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+			if (fp->link_update)
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+				fp->link_update(fp->phydev->attached_dev,
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+						&fp->status);
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+
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+			/* Check the GPIO for change in status */
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+			fixed_phy_update(fp);
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+			state = fp->status;
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 			return swphy_read_reg(reg_num, &state);
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 		}
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@@ -130,8 +125,6 @@
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 	fp = kzalloc(sizeof(*fp), GFP_KERNEL);
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 	if (!fp)
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 		return -ENOMEM;
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-
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-	seqcount_init(&fp->seqcount);
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 	if (irq != PHY_POLL)
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 		fmb->mii_bus->irq[phy_addr] = irq;