kernel: move mac-address-ascii patches to generic

This enables other targets to use the mac-address-ascii
feature.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>

1 files changed, 0 insertions, 112 deletions

diff --git a/target/linux/ath79/patches-5.10/600-of_net-add-mac-address-ascii-support.patch b/target/linux/ath79/patches-5.10/600-of_net-add-mac-address-ascii-support.patch
deleted file mode 100644
index 7f95852c7e..0000000000
--- a/target/linux/ath79/patches-5.10/600-of_net-add-mac-address-ascii-support.patch
+++ /dev/null
@@ -1,112 +0,0 @@
-From: Yousong Zhou <yszhou4tech@gmail.com>
-Subject: [PATCH] ath79: add nvmem cell mac-address-ascii support
-
-This is needed for devices with mac address stored in ascii format, e.g.
-HiWiFi HC6361 to be ported in the following patch.
-
-Submitted-by: Yousong Zhou <yszhou4tech@gmail.com>
----
- net/ethernet/eth.c                            | 83 ++++++++++++------
- 1 files changed, 72 insertions(+), 11 deletions(-)
-
---- a/net/ethernet/eth.c
-+++ b/net/ethernet/eth.c
-@@ -545,6 +545,63 @@ int eth_platform_get_mac_address(struct
- }
- EXPORT_SYMBOL(eth_platform_get_mac_address);
- 
-+static void *nvmem_cell_get_mac_address(struct nvmem_cell *cell)
-+{
-+	size_t len;
-+	void *mac;
-+
-+	mac = nvmem_cell_read(cell, &len);
-+	if (IS_ERR(mac))
-+		return PTR_ERR(mac);
-+	if (len != ETH_ALEN) {
-+		kfree(mac);
-+		return ERR_PTR(-EINVAL);
-+	}
-+	return mac;
-+}
-+
-+static void *nvmem_cell_get_mac_address_ascii(struct nvmem_cell *cell)
-+{
-+	size_t len;
-+	int ret;
-+	void *mac_ascii;
-+	u8 *mac;
-+
-+	mac_ascii = nvmem_cell_read(cell, &len);
-+	if (IS_ERR(mac_ascii))
-+		return PTR_ERR(mac_ascii);
-+	if (len != ETH_ALEN*2+5) {
-+		kfree(mac_ascii);
-+		return ERR_PTR(-EINVAL);
-+	}
-+	mac = kmalloc(ETH_ALEN, GFP_KERNEL);
-+	if (!mac) {
-+		kfree(mac_ascii);
-+		return ERR_PTR(-ENOMEM);
-+	}
-+	ret = sscanf(mac_ascii, "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
-+				&mac[0], &mac[1], &mac[2],
-+				&mac[3], &mac[4], &mac[5]);
-+	kfree(mac_ascii);
-+	if (ret == ETH_ALEN)
-+		return mac;
-+	kfree(mac);
-+	return ERR_PTR(-EINVAL);
-+}
-+
-+static struct nvmem_cell_mac_address_property {
-+	char *name;
-+	void *(*read)(struct nvmem_cell *);
-+} nvmem_cell_mac_address_properties[] = {
-+	{
-+		.name = "mac-address",
-+		.read = nvmem_cell_get_mac_address,
-+	}, {
-+		.name = "mac-address-ascii",
-+		.read = nvmem_cell_get_mac_address_ascii,
-+	},
-+};
-+
- /**
-  * Obtain the MAC address from an nvmem cell named 'mac-address' associated
-  * with given device.
-@@ -558,19 +615,23 @@ int nvmem_get_mac_address(struct device
- {
- 	struct nvmem_cell *cell;
- 	const void *mac;
--	size_t len;
-+	struct nvmem_cell_mac_address_property *property;
-+	int i;
- 
--	cell = nvmem_cell_get(dev, "mac-address");
--	if (IS_ERR(cell))
--		return PTR_ERR(cell);
--
--	mac = nvmem_cell_read(cell, &len);
--	nvmem_cell_put(cell);
--
--	if (IS_ERR(mac))
--		return PTR_ERR(mac);
-+	for (i = 0; i < ARRAY_SIZE(nvmem_cell_mac_address_properties); i++) {
-+		property = &nvmem_cell_mac_address_properties[i];
-+		cell = nvmem_cell_get(dev, property->name);
-+		if (IS_ERR(cell)) {
-+			if (i == ARRAY_SIZE(nvmem_cell_mac_address_properties) - 1)
-+				return PTR_ERR(cell);
-+			continue;
-+		}
-+		mac = property->read(cell);
-+		nvmem_cell_put(cell);
-+		break;
-+	}
- 
--	if (len != ETH_ALEN || !is_valid_ether_addr(mac)) {
-+	if (!is_valid_ether_addr(mac)) {
- 		kfree(mac);
- 		return -EINVAL;
- 	}