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Tegra: bpmp: Increase timeout to 2ms 

To deal with upcoming EMC periodic compensation, increase the BPMP timeout
to 2ms.

Change-Id: I8572c031168defd15504d905c4d625f44dd7fa3d
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
This commit is contained in:
Peter De Schrijver 2017-06-15 05:21:50 +03:00 committed by Varun Wadekar
parent a9cbc0cbcb
commit c09c63eed6
1 changed files with 9 additions and 9 deletions
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18
plat/nvidia/tegra/common/drivers/bpmp/bpmp.c
View File

@ -16,7 +16,7 @@
#include <string.h>
#include <tegra_def.h>
#define BPMP_TIMEOUT_10US 10
#define BPMP_TIMEOUT 2
static uint32_t channel_base[NR_CHANNELS];
static uint32_t bpmp_init_state = BPMP_INIT_PENDING;
@ -58,15 +58,15 @@ int32_t tegra_bpmp_send_receive_atomic(int mrq, const void *ob_data, int ob_sz,
if (bpmp_init_state == BPMP_INIT_COMPLETE) {
/* loop until BPMP is free */
for (timeout = 0; timeout < BPMP_TIMEOUT_10US; timeout++) {
for (timeout = 0; timeout < BPMP_TIMEOUT; timeout++) {
if (master_free(ch) == true) {
break;
}
udelay(1);
mdelay(1);
}
if (timeout != BPMP_TIMEOUT_10US) {
if (timeout != BPMP_TIMEOUT) {
/* generate the command struct */
p->code = mrq;
@ -79,15 +79,15 @@ int32_t tegra_bpmp_send_receive_atomic(int mrq, const void *ob_data, int ob_sz,
(1U << INT_SHR_SEM_OUTBOX_FULL));
/* loop until the command is executed */
for (timeout = 0; timeout < BPMP_TIMEOUT_10US; timeout++) {
for (timeout = 0; timeout < BPMP_TIMEOUT; timeout++) {
if (master_acked(ch) == true) {
break;
}
udelay(1);
mdelay(1);
}
if (timeout != BPMP_TIMEOUT_10US) {
if (timeout != BPMP_TIMEOUT) {
/* get the command response */
(void)memcpy(ib_data, (const void *)p->data,
@ -106,8 +106,8 @@ int32_t tegra_bpmp_send_receive_atomic(int mrq, const void *ob_data, int ob_sz,
ret = -EINVAL;
}
if (timeout == BPMP_TIMEOUT_10US) {
ERROR("Timed out waiting for bpmp's response");
if (timeout == BPMP_TIMEOUT) {
ERROR("Timed out waiting for bpmp's response\n");
}
return ret;