1 files changed, 0 insertions, 76 deletions
diff --git a/package/busybox/busybox-1.16.2/busybox-devmem.patch b/package/busybox/busybox-1.16.2/busybox-devmem.patch
deleted file mode 100644
index f7d1d1df7..000000000
--- a/package/busybox/busybox-1.16.2/busybox-devmem.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From 351ef7188a1a2e2f154bbda6f703c2d3f4af6d79 Mon Sep 17 00:00:00 2001
-From: Denys Vlasenko <vda.linux@googlemail.com>
-Date: Wed, 14 Apr 2010 13:37:25 -0700
-Subject: [PATCH] devmem: map two pages only if it is necessary
-
-function                                             old     new   delta
-devmem_main                                          463     469      +6
-
-Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
----
- miscutils/devmem.c |   21 ++++++++++++++-------
- 1 files changed, 14 insertions(+), 7 deletions(-)
-
-diff --git a/miscutils/devmem.c b/miscutils/devmem.c
-index e13dedc..39b5808 100644
---- a/miscutils/devmem.c
-+++ b/miscutils/devmem.c
-@@ -13,9 +13,9 @@ int devmem_main(int argc UNUSED_PARAM, char **argv)
- 	uint64_t read_result;
- 	uint64_t writeval = writeval; /* for compiler */
- 	off_t target;
--	unsigned page_size = getpagesize();
-+	unsigned page_size, mapped_size, offset_in_page;
- 	int fd;
--	int width = 8 * sizeof(int);
-+	unsigned width = 8 * sizeof(int);
- 
- 	/* devmem ADDRESS [WIDTH [VALUE]] */
- // TODO: options?
-@@ -50,15 +50,22 @@ int devmem_main(int argc UNUSED_PARAM, char **argv)
- 		if (argv[3])
- 			writeval = bb_strtoull(argv[3], NULL, 0);
- 	} else { /* argv[2] == NULL */
--		/* make argv[3] to be a valid thing to use */
-+		/* make argv[3] to be a valid thing to fetch */
- 		argv--;
- 	}
- 	if (errno)
--		bb_show_usage(); /* bb_strtouXX failed */
-+		bb_show_usage(); /* one of bb_strtouXX failed */
- 
- 	fd = xopen("/dev/mem", argv[3] ? (O_RDWR | O_SYNC) : (O_RDONLY | O_SYNC));
-+	mapped_size = page_size = getpagesize();
-+	offset_in_page = (unsigned)target & (page_size - 1);
-+	if (offset_in_page + width > page_size) {
-+		/* This access spans pages.
-+		 * Must map two pages to make it possible: */
-+		mapped_size *= 2;
-+	}
- 	map_base = mmap(NULL,
--			page_size * 2 /* in case value spans page */,
-+			mapped_size,
- 			argv[3] ? (PROT_READ | PROT_WRITE) : PROT_READ,
- 			MAP_SHARED,
- 			fd,
-@@ -68,7 +75,7 @@ int devmem_main(int argc UNUSED_PARAM, char **argv)
- 
- //	printf("Memory mapped at address %p.\n", map_base);
- 
--	virt_addr = (char*)map_base + (target & (page_size - 1));
-+	virt_addr = (char*)map_base + offset_in_page;
- 
- 	if (!argv[3]) {
- 		switch (width) {
-@@ -119,7 +126,7 @@ int devmem_main(int argc UNUSED_PARAM, char **argv)
- 	}
- 
- 	if (ENABLE_FEATURE_CLEAN_UP) {
--		if (munmap(map_base, page_size * 2) == -1)
-+		if (munmap(map_base, mapped_size) == -1)
- 			bb_perror_msg_and_die("munmap");
- 		close(fd);
- 	}
--- 
-1.7.1
-