From bd413fa78db0779b0cbf01208b14e06fb7c98c32 Mon Sep 17 00:00:00 2001 From: Rosen Penev Date: Tue, 28 Nov 2023 16:41:20 -0800 Subject: [PATCH] kernel: remove mac-address-ascii dts support Deprecated and replaced treewide with mac-base. Remove to avoid modern usage. Signed-off-by: Rosen Penev --- ...of_net-add-mac-address-ascii-support.patch | 116 ------------------ ...of_net-add-mac-address-ascii-support.patch | 116 ------------------ 2 files changed, 232 deletions(-) delete mode 100644 target/linux/generic/hack-5.15/601-of_net-add-mac-address-ascii-support.patch delete mode 100644 target/linux/generic/hack-6.1/601-of_net-add-mac-address-ascii-support.patch diff --git a/target/linux/generic/hack-5.15/601-of_net-add-mac-address-ascii-support.patch b/target/linux/generic/hack-5.15/601-of_net-add-mac-address-ascii-support.patch deleted file mode 100644 index 55866c3135..0000000000 --- a/target/linux/generic/hack-5.15/601-of_net-add-mac-address-ascii-support.patch +++ /dev/null @@ -1,116 +0,0 @@ -From: Yousong Zhou -Subject: [PATCH] of: net: 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 ---- - net/core/of_net.c | 83 ++++++++++++------ - 1 files changed, 72 insertions(+), 11 deletions(-) - ---- a/net/core/of_net.c -+++ b/net/core/of_net.c -@@ -57,13 +57,70 @@ static int of_get_mac_addr(struct device - return -ENODEV; - } - -+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 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 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, -+ }, -+}; -+ - static int of_get_mac_addr_nvmem(struct device_node *np, u8 *addr) - { - struct platform_device *pdev = of_find_device_by_node(np); -+ struct nvmem_cell_mac_address_property *property; - struct nvmem_cell *cell; - const void *mac; -- size_t len; -- int ret; -+ int ret, i; - - /* Try lookup by device first, there might be a nvmem_cell_lookup - * associated with a given device. -@@ -74,17 +131,26 @@ static int of_get_mac_addr_nvmem(struct - return ret; - } - -- cell = of_nvmem_cell_get(np, "mac-address"); -+ for (i = 0; i < ARRAY_SIZE(nvmem_cell_mac_address_properties); i++) { -+ property = &nvmem_cell_mac_address_properties[i]; -+ cell = of_nvmem_cell_get(np, property->name); -+ /* For -EPROBE_DEFER don't try other properties. -+ * We'll get back to this one. -+ */ -+ if (!IS_ERR(cell) || PTR_ERR(cell) == -EPROBE_DEFER) -+ break; -+ } -+ - if (IS_ERR(cell)) - return PTR_ERR(cell); - -- mac = nvmem_cell_read(cell, &len); -+ mac = property->read(cell); - nvmem_cell_put(cell); - - if (IS_ERR(mac)) - return PTR_ERR(mac); - -- if (len != ETH_ALEN || !is_valid_ether_addr(mac)) { -+ if (!is_valid_ether_addr(mac)) { - kfree(mac); - return -EINVAL; - } diff --git a/target/linux/generic/hack-6.1/601-of_net-add-mac-address-ascii-support.patch b/target/linux/generic/hack-6.1/601-of_net-add-mac-address-ascii-support.patch deleted file mode 100644 index 55866c3135..0000000000 --- a/target/linux/generic/hack-6.1/601-of_net-add-mac-address-ascii-support.patch +++ /dev/null @@ -1,116 +0,0 @@ -From: Yousong Zhou -Subject: [PATCH] of: net: 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 ---- - net/core/of_net.c | 83 ++++++++++++------ - 1 files changed, 72 insertions(+), 11 deletions(-) - ---- a/net/core/of_net.c -+++ b/net/core/of_net.c -@@ -57,13 +57,70 @@ static int of_get_mac_addr(struct device - return -ENODEV; - } - -+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 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 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, -+ }, -+}; -+ - static int of_get_mac_addr_nvmem(struct device_node *np, u8 *addr) - { - struct platform_device *pdev = of_find_device_by_node(np); -+ struct nvmem_cell_mac_address_property *property; - struct nvmem_cell *cell; - const void *mac; -- size_t len; -- int ret; -+ int ret, i; - - /* Try lookup by device first, there might be a nvmem_cell_lookup - * associated with a given device. -@@ -74,17 +131,26 @@ static int of_get_mac_addr_nvmem(struct - return ret; - } - -- cell = of_nvmem_cell_get(np, "mac-address"); -+ for (i = 0; i < ARRAY_SIZE(nvmem_cell_mac_address_properties); i++) { -+ property = &nvmem_cell_mac_address_properties[i]; -+ cell = of_nvmem_cell_get(np, property->name); -+ /* For -EPROBE_DEFER don't try other properties. -+ * We'll get back to this one. -+ */ -+ if (!IS_ERR(cell) || PTR_ERR(cell) == -EPROBE_DEFER) -+ break; -+ } -+ - if (IS_ERR(cell)) - return PTR_ERR(cell); - -- mac = nvmem_cell_read(cell, &len); -+ mac = property->read(cell); - nvmem_cell_put(cell); - - if (IS_ERR(mac)) - return PTR_ERR(mac); - -- if (len != ETH_ALEN || !is_valid_ether_addr(mac)) { -+ if (!is_valid_ether_addr(mac)) { - kfree(mac); - return -EINVAL; - } -- 2.30.2