From: Arnd Bergmann <a...@arndb.de>
[ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ]
clang warns about an impossible condition when building with 32-bit
phys_addr_t:
arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of
constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int')
is always false [-Werror,-Wtautological-constant-out-of-range-compare]
mem_end > KEYSTONE_HIGH_PHYS_END) {
~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of
constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int')
is always true [-Werror,-Wtautological-constant-out-of-range-compare]
if (mem_start < KEYSTONE_HIGH_PHYS_START ||
~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
Change the temporary variable to a fixed-size u64 to avoid the warning.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Reviewed-by: Nathan Chancellor <nat...@kernel.org>
Acked-by: Santosh Shilimkar <ssant...@kernel.org>
Link: https://lore.kernel.org/r/20210323131814.2751750-1-a...@kernel.org'
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
arch/arm/mach-keystone/keystone.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-keystone/keystone.c
b/arch/arm/mach-keystone/keystone.c
index cd711bfc591f..2c647bdf8d25 100644
--- a/arch/arm/mach-keystone/keystone.c
+++ b/arch/arm/mach-keystone/keystone.c
@@ -65,7 +65,7 @@ static void __init keystone_init(void)
static long long __init keystone_pv_fixup(void)
{
long long offset;
- phys_addr_t mem_start, mem_end;
+ u64 mem_start, mem_end;
mem_start = memblock_start_of_DRAM();
mem_end = memblock_end_of_DRAM();
@@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void)
if (mem_start < KEYSTONE_HIGH_PHYS_START ||
mem_end > KEYSTONE_HIGH_PHYS_END) {
pr_crit("Invalid address space for memory (%08llx-%08llx)\n",
- (u64)mem_start, (u64)mem_end);
+ mem_start, mem_end);
return 0;
}
--
2.30.2
