[PATCH] ARM: keystone: fix integer overflow warning

[Arnd Bergmann]

From: Arnd Bergmann <arnd at arndb.de>

On Tue, 23 Mar 2021 14:18:05 +0100, Arnd Bergmann wrote:
> 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 ||
>             ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
> 
> [...]

Applied to arm/fixes

[1/1] ARM: keystone: fix integer overflow warning
      commit: 04e18e1cc319f453a6d752d4553bb3f29fde5f76

       Arnd