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authorSimon Glass <sjg@chromium.org>2019-04-25 21:58:41 -0600
committerBin Meng <bmeng.cn@gmail.com>2019-05-08 13:02:11 +0800
commit7b140238800533b334a160bf94c2901c98bc1550 (patch)
tree18bd16cf54c37a32e3415cf32bd8504b6b7ccfc8 /arch/x86/cpu
parent11b7cc37f15ae0f27987da5a037e6603e068f20c (diff)
downloadu-boot-7b140238800533b334a160bf94c2901c98bc1550.tar.gz
x86: mp_init: Use proper error numbers
At present many of the functions in this file return -1 as an error number. which is -EPERM. Update the code to use real error numbers. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
-rw-r--r--arch/x86/cpu/mp_init.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c
index ea64c2ee57..fefbf8f728 100644
--- a/arch/x86/cpu/mp_init.c
+++ b/arch/x86/cpu/mp_init.c
@@ -322,7 +322,7 @@ static int start_aps(int ap_count, atomic_t *num_aps)
if (sipi_vector > max_vector_loc) {
printf("SIPI vector too large! 0x%08x\n",
sipi_vector);
- return -1;
+ return -ENOSPC;
}
debug("Attempting to start %d APs\n", ap_count);
@@ -364,7 +364,7 @@ static int start_aps(int ap_count, atomic_t *num_aps)
if (wait_for_aps(num_aps, ap_count, 10000, 50)) {
debug("Not all APs checked in: %d/%d\n",
atomic_read(num_aps), ap_count);
- return -1;
+ return -EIO;
}
return 0;
@@ -387,7 +387,7 @@ static int bsp_do_flight_plan(struct udevice *cpu, struct mp_params *mp_params)
if (wait_for_aps(&rec->cpus_entered, num_aps,
timeout_us, step_us)) {
debug("MP record %d timeout\n", i);
- ret = -1;
+ ret = -ETIMEDOUT;
}
}
@@ -508,7 +508,7 @@ int mp_init(struct mp_params *p)
if (p == NULL || p->flight_plan == NULL || p->num_records < 1) {
printf("Invalid MP parameters\n");
- return -1;
+ return -EINVAL;
}
num_cpus = cpu_get_count(cpu);
@@ -531,7 +531,7 @@ int mp_init(struct mp_params *p)
/* Load the SIPI vector */
ret = load_sipi_vector(&ap_count, num_cpus);
if (ap_count == NULL)
- return -1;
+ return -ENOENT;
/*
* Make sure SIPI data hits RAM so the APs that come up will see