On 10/4/22 07:34, Venkatesh Yadav Abbarapu wrote:
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),
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs