8e711f68c4
No longer used. If swapping is desired, ralink,mtd-eeprom can be used. Otherwise nvmem. Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://github.com/openwrt/openwrt/pull/22207 Signed-off-by: Robert Marko <robimarko@gmail.com>
77 lines
3.0 KiB
Diff
77 lines
3.0 KiB
Diff
From adf957124a115bdf3e4728e1ea8c70a632648cf0 Mon Sep 17 00:00:00 2001
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From: Coia Prant <coiaprant@gmail.com>
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Date: Fri, 14 Feb 2025 15:49:55 +0800
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Subject: [PATCH] wifi: rt2x00: Add support for loading EEPROM from devicetree
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embedded data
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This patch allows rt2x00 to load eeprom from devicetree embedded data.
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Example:
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/* load eeprom from embedded data 'eeprom-data' */
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&wmac {
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ralink,eeprom-data = <0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff
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0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff>;
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};
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Signed-off-by: Coia Prant <coiaprant@gmail.com>
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---
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.../net/wireless/ralink/rt2x00/rt2x00eeprom.c | 25 +++++++++++++++++++
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1 file changed, 25 insertions(+)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
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@@ -19,6 +19,27 @@
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#include "rt2x00.h"
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+static int rt2800lib_read_eeprom_data(struct rt2x00_dev *rt2x00dev)
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+{
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+ struct device_node *np = rt2x00dev->dev->of_node;
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+ unsigned int len = rt2x00dev->ops->eeprom_size;
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+ const void *data;
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+ int size;
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+
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+ data = of_get_property(np, "ralink,eeprom-data", &size);
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+ if (!data)
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+ return -ENOENT;
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+
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+ if (size != len) {
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+ dev_err(rt2x00dev->dev, "invalid eeprom size, required: 0x%04x\n", len);
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+ return -EINVAL;
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+ }
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+
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+ memcpy(rt2x00dev->eeprom, data, size);
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+
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+ return 0;
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+}
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+
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#if IS_ENABLED(CONFIG_MTD)
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static int rt2800lib_read_eeprom_mtd(struct rt2x00_dev *rt2x00dev)
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{
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@@ -164,6 +185,10 @@ int rt2x00lib_read_eeprom(struct rt2x00_
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{
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int ret;
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+ ret = rt2800lib_read_eeprom_data(rt2x00dev);
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+ if (!ret)
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+ return 0;
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+
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#if IS_ENABLED(CONFIG_MTD)
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ret = rt2800lib_read_eeprom_mtd(rt2x00dev);
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if (!ret)
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