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msm: ipa3: Add retry attempts for subsystem loading

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Whenever subsystem loading fails to load ipa firmware, updated
change to load untill it succeeds.

Change-Id: I8b600e8e03030dfbd2e255a4a2148bef942dfe11
Signed-off-by: Raghavendar rao l <rlomte@codequrora.org>
This commit is contained in:
Raghavendar rao l 2021-05-05 19:27:31 +05:30
commit e0f12e040a
2 changed files with 21 additions and 11 deletions
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30
drivers/platform/msm/ipa/ipa_v3/ipa.c
View file

@ -51,7 +51,7 @@
#endif
#define DRV_NAME "ipa"
#define DELAY_BEFORE_FW_LOAD 500
#define IPA_SUBSYSTEM_NAME "ipa_fws"
#define IPA_UC_SUBSYSTEM_NAME "ipa_uc"
@ -126,6 +126,7 @@ static int ipa3_alloc_pkt_init(void);
static void ipa3_load_ipa_fw(struct work_struct *work);
static DECLARE_WORK(ipa3_fw_loading_work, ipa3_load_ipa_fw);
static DECLARE_DELAYED_WORK(ipa3_fw_load_failure_handle, ipa3_load_ipa_fw);
static void ipa_dec_clients_disable_clks_on_wq(struct work_struct *work);
static DECLARE_DELAYED_WORK(ipa_dec_clients_disable_clks_on_wq_work,
@ -6812,12 +6813,14 @@ static void ipa3_load_ipa_fw(struct work_struct *work)
IPADBG("Entry\n");
IPA_ACTIVE_CLIENTS_INC_SIMPLE();
result = ipa3_attach_to_smmu();
if (result) {
IPAERR("IPA attach to smmu failed %d\n", result);
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
return;
if(!ipa3_ctx->ipa_pil_load)
{
result = ipa3_attach_to_smmu();
if (result) {
IPAERR("IPA attach to smmu failed %d\n", result);
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
return;
}
}
if (ipa3_ctx->ipa3_hw_mode != IPA_HW_MODE_EMULATION &&
@ -6836,13 +6839,18 @@ static void ipa3_load_ipa_fw(struct work_struct *work)
result = ipa3_manual_load_ipa_fws();
}
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
if (result) {
IPAERR("IPA FW loading process has failed result=%d\n",
result);
ipa3_ctx->ipa_pil_load++;
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
IPADBG("IPA firmware loading deffered to a work queue\n");
queue_delayed_work(ipa3_ctx->transport_power_mgmt_wq,
&ipa3_fw_load_failure_handle,
msecs_to_jiffies(DELAY_BEFORE_FW_LOAD));
return;
}
IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
mutex_lock(&ipa3_ctx->fw_load_data.lock);
ipa3_ctx->fw_load_data.state = IPA_FW_LOAD_STATE_LOADED;
mutex_unlock(&ipa3_ctx->fw_load_data.lock);
@ -6902,7 +6910,7 @@ static void ipa_fw_load_sm_handle_event(enum ipa_fw_load_event ev)
if (ipa3_ctx->fw_load_data.state == IPA_FW_LOAD_STATE_INIT) {
ipa3_ctx->fw_load_data.state =
IPA_FW_LOAD_STATE_SMMU_DONE;
goto out;
goto sched_fw_load;
}
if (ipa3_ctx->fw_load_data.state ==
IPA_FW_LOAD_STATE_FWFILE_READY) {

2
drivers/platform/msm/ipa/ipa_v3/ipa_i.h
View file

@ -2155,6 +2155,8 @@ struct ipa3_context {
bool modem_load_ipa_fw;
bool fnr_stats_not_supported;
bool is_device_crashed;
int ipa_pil_load;
};
struct ipa3_plat_drv_res {