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authorLinus Torvalds <torvalds@linux-foundation.org>2015-10-27 23:24:53 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2015-10-27 23:24:53 +0100
commit23d88271b4f97f66de521ac9b2c1471e6311cf26 (patch)
tree631df9436c0c90c10f49263e9d9e9507e77698a7 /arch
parentMerge branch 'for-linus' of git://git.kernel.dk/linux-block (diff)
parentclkdev: fix clk_add_alias() with a NULL alias device name (diff)
downloadlinux-23d88271b4f97f66de521ac9b2c1471e6311cf26.tar.xz
linux-23d88271b4f97f66de521ac9b2c1471e6311cf26.zip
Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King: "Two fixes for ARM and one for clkdev: - Fix another build issue with vdsomunge on non-glibc systems - Fix a randconfig build error caused by an invalid configuration - Fix a clkdev problem causing the Nokia n700 to no longer boot" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: clkdev: fix clk_add_alias() with a NULL alias device name ARM: 8445/1: fix vdsomunge not to depend on glibc specific byteswap.h ARM: make RiscPC depend on MMU
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/vdso/vdsomunge.c17
2 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 72ad724c67ae..639411f73ca9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -645,6 +645,7 @@ config ARCH_SHMOBILE_LEGACY
config ARCH_RPC
bool "RiscPC"
+ depends on MMU
select ARCH_ACORN
select ARCH_MAY_HAVE_PC_FDC
select ARCH_SPARSEMEM_ENABLE
diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c
index aedec81d1198..0cebd98cd88c 100644
--- a/arch/arm/vdso/vdsomunge.c
+++ b/arch/arm/vdso/vdsomunge.c
@@ -45,7 +45,6 @@
* it does.
*/
-#include <byteswap.h>
#include <elf.h>
#include <errno.h>
#include <fcntl.h>
@@ -59,6 +58,16 @@
#include <sys/types.h>
#include <unistd.h>
+#define swab16(x) \
+ ((((x) & 0x00ff) << 8) | \
+ (((x) & 0xff00) >> 8))
+
+#define swab32(x) \
+ ((((x) & 0x000000ff) << 24) | \
+ (((x) & 0x0000ff00) << 8) | \
+ (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0xff000000) << 24))
+
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define HOST_ORDER ELFDATA2LSB
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
@@ -104,17 +113,17 @@ static void cleanup(void)
static Elf32_Word read_elf_word(Elf32_Word word, bool swap)
{
- return swap ? bswap_32(word) : word;
+ return swap ? swab32(word) : word;
}
static Elf32_Half read_elf_half(Elf32_Half half, bool swap)
{
- return swap ? bswap_16(half) : half;
+ return swap ? swab16(half) : half;
}
static void write_elf_word(Elf32_Word val, Elf32_Word *dst, bool swap)
{
- *dst = swap ? bswap_32(val) : val;
+ *dst = swap ? swab32(val) : val;
}
int main(int argc, char **argv)