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011e35e5d9
This downstream DT property is not used by any DTS file anymore. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From dd07dd394d8bfdb5d527fab18ca54f20815ec4e4 Mon Sep 17 00:00:00 2001
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From: Will Moss <willormos@gmail.com>
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Date: Wed, 3 Aug 2022 13:48:55 +0000
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Subject: [PATCH] of_net: do mac-address-increment only once
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Remove mac-address-increment and mac-address-increment-byte
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DT property after incrementing process to make sure MAC address
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would not get incremented more if this function is stared again.
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It could happen if device initialization is deferred after
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unsuccessful attempt.
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Signed-off-by: Will Moss <willormos@gmail.com>
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---
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drivers/of/of_net.c | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/net/core/of_net.c
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+++ b/net/core/of_net.c
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@@ -184,6 +184,11 @@ found:
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addr[3] = (mac_val >> 16) & 0xff;
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addr[4] = (mac_val >> 8) & 0xff;
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addr[5] = (mac_val >> 0) & 0xff;
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+
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+ /* Remove mac-address-increment DT property to make sure MAC
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+ * address would not get incremented more if this function is
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+ * stared again. */
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+ of_remove_property(np, of_find_property(np, "mac-address-increment", NULL));
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}
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of_add_mac_address(np, addr);
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