make W=1 generates the following warning in cpu_disable, cpu_status and cpu_release functions.
arch/arm/mach-zynqmp/mp.c:166:16: warning: comparison of unsigned expression in '>= 0' is always true [-Wtype-limits] 166 | if (nr >= ZYNQMP_CORE_APU0 && nr <= ZYNQMP_CORE_APU3) { | ^~ Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbar...@amd.com> --- arch/arm/mach-zynqmp/mp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-zynqmp/mp.c b/arch/arm/mach-zynqmp/mp.c index 4f1ed44afb..949456d530 100644 --- a/arch/arm/mach-zynqmp/mp.c +++ b/arch/arm/mach-zynqmp/mp.c @@ -163,7 +163,7 @@ static int check_r5_mode(void) int cpu_disable(u32 nr) { - if (nr >= ZYNQMP_CORE_APU0 && nr <= ZYNQMP_CORE_APU3) { + if (nr <= ZYNQMP_CORE_APU3) { u32 val = readl(&crfapb_base->rst_fpd_apu); val |= 1 << nr; writel(val, &crfapb_base->rst_fpd_apu); @@ -176,7 +176,7 @@ int cpu_disable(u32 nr) int cpu_status(u32 nr) { - if (nr >= ZYNQMP_CORE_APU0 && nr <= ZYNQMP_CORE_APU3) { + if (nr <= ZYNQMP_CORE_APU3) { u32 addr_low = readl(((u8 *)&apu_base->rvbar_addr0_l) + nr * 8); u32 addr_high = readl(((u8 *)&apu_base->rvbar_addr0_h) + nr * 8); @@ -252,7 +252,7 @@ void initialize_tcm(bool mode) int cpu_release(u32 nr, int argc, char *const argv[]) { - if (nr >= ZYNQMP_CORE_APU0 && nr <= ZYNQMP_CORE_APU3) { + if (nr <= ZYNQMP_CORE_APU3) { u64 boot_addr = simple_strtoull(argv[0], NULL, 16); /* HIGH */ writel((u32)(boot_addr >> 32), -- 2.17.1