1 files changed, 0 insertions, 90 deletions
diff --git a/target/linux/generic/backport-5.4/831-v5.13-0002-firmware-bcm47xx_nvram-add-helper-checking-for-NVRAM.patch b/target/linux/generic/backport-5.4/831-v5.13-0002-firmware-bcm47xx_nvram-add-helper-checking-for-NVRAM.patch
deleted file mode 100644
index 6ab072883d..0000000000
--- a/target/linux/generic/backport-5.4/831-v5.13-0002-firmware-bcm47xx_nvram-add-helper-checking-for-NVRAM.patch
+++ /dev/null
@@ -1,90 +0,0 @@
-From 0a24b51a3264a3f942a75025ea5ff6133c8989b0 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Mon, 8 Mar 2021 10:03:17 +0100
-Subject: [PATCH] firmware: bcm47xx_nvram: add helper checking for NVRAM
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This avoids duplicating code doing casting and checking for NVRAM magic.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
----
- drivers/firmware/broadcom/bcm47xx_nvram.c | 30 ++++++++++++++---------
- 1 file changed, 18 insertions(+), 12 deletions(-)
-
---- a/drivers/firmware/broadcom/bcm47xx_nvram.c
-+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
-@@ -34,14 +34,20 @@ static char nvram_buf[NVRAM_SPACE];
- static size_t nvram_len;
- static const u32 nvram_sizes[] = {0x6000, 0x8000, 0xF000, 0x10000};
- 
-+/**
-+ * bcm47xx_nvram_is_valid - check for a valid NVRAM at specified memory
-+ */
-+static bool bcm47xx_nvram_is_valid(void __iomem *nvram)
-+{
-+	return ((struct nvram_header *)nvram)->magic == NVRAM_MAGIC;
-+}
-+
- static u32 find_nvram_size(void __iomem *end)
- {
--	struct nvram_header __iomem *header;
- 	int i;
- 
- 	for (i = 0; i < ARRAY_SIZE(nvram_sizes); i++) {
--		header = (struct nvram_header *)(end - nvram_sizes[i]);
--		if (header->magic == NVRAM_MAGIC)
-+		if (bcm47xx_nvram_is_valid(end - nvram_sizes[i]))
- 			return nvram_sizes[i];
- 	}
- 
-@@ -55,6 +61,7 @@ static int bcm47xx_nvram_find_and_copy(v
- {
- 	struct nvram_header __iomem *header;
- 	size_t flash_size;
-+	size_t offset;
- 	u32 size;
- 
- 	if (nvram_len) {
-@@ -68,31 +75,30 @@ static int bcm47xx_nvram_find_and_copy(v
- 		/* Windowed flash access */
- 		size = find_nvram_size(flash_start + flash_size);
- 		if (size) {
--			header = (struct nvram_header *)(flash_start + flash_size - size);
-+			offset = flash_size - size;
- 			goto found;
- 		}
- 		flash_size <<= 1;
- 	}
- 
- 	/* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
--	header = (struct nvram_header *)(flash_start + 4096);
--	if (header->magic == NVRAM_MAGIC) {
--		size = NVRAM_SPACE;
-+
-+	offset = 4096;
-+	if (bcm47xx_nvram_is_valid(flash_start + offset))
- 		goto found;
--	}
- 
--	header = (struct nvram_header *)(flash_start + 1024);
--	if (header->magic == NVRAM_MAGIC) {
--		size = NVRAM_SPACE;
-+	offset = 1024;
-+	if (bcm47xx_nvram_is_valid(flash_start + offset))
- 		goto found;
--	}
- 
- 	pr_err("no nvram found\n");
- 	return -ENXIO;
- 
- found:
-+	header = (struct nvram_header *)(flash_start + offset);
- 	__ioread32_copy(nvram_buf, header, sizeof(*header) / 4);
- 	nvram_len = ((struct nvram_header *)(nvram_buf))->len;
-+	size = res_size - offset;
- 	if (nvram_len > size) {
- 		pr_err("The nvram size according to the header seems to be bigger than the partition on flash\n");
- 		nvram_len = size;