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Merge "msm: ipa3: wait for uC load before USB disconnect" into msm-4.8

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This commit is contained in:
Kyle Yan 2016-11-11 17:01:37 -08:00 • committed by Gerrit - the friendly Code Review server
commit d579d924fd
3 changed files with 24 additions and 0 deletions
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11
drivers/platform/msm/ipa/ipa_v3/ipa.c
View file

@ -3585,6 +3585,12 @@ static int ipa3_gsi_pre_fw_load_init(void)
return 0;
}
static void ipa3_uc_is_loaded(void)
{
IPADBG("\n");
complete_all(&ipa3_ctx->uc_loaded_completion_obj);
}
static enum gsi_ver ipa3_get_gsi_ver(enum ipa_hw_type ipa_hw_type)
{
enum gsi_ver gsi_ver;
@ -3637,6 +3643,7 @@ static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p,
int result;
struct sps_bam_props bam_props = { 0 };
struct gsi_per_props gsi_props;
struct ipa3_uc_hdlrs uc_hdlrs = { 0 };
if (ipa3_ctx->transport_prototype == IPA_TRANSPORT_TYPE_GSI) {
memset(&gsi_props, 0, sizeof(gsi_props));
@ -3713,6 +3720,9 @@ static int ipa3_post_init(const struct ipa3_plat_drv_res *resource_p,
else
IPADBG(":ipa Uc interface init ok\n");
uc_hdlrs.ipa_uc_loaded_hdlr = ipa3_uc_is_loaded;
ipa3_uc_register_handlers(IPA_HW_FEATURE_COMMON, &uc_hdlrs);
result = ipa3_wdi_init();
if (result)
IPAERR(":wdi init failed (%d)\n", -result);
@ -4336,6 +4346,7 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p,
INIT_LIST_HEAD(&ipa3_ctx->ipa_ready_cb_list);
init_completion(&ipa3_ctx->init_completion_obj);
init_completion(&ipa3_ctx->uc_loaded_completion_obj);
/*
* For GSI, we can't register the GSI driver yet, as it expects

12
drivers/platform/msm/ipa/ipa_v3/ipa_client.c
View file

@ -99,6 +99,18 @@ int ipa3_disable_data_path(u32 clnt_hdl)
/* Suspend the pipe */
if (IPA_CLIENT_IS_CONS(ep->client)) {
/*
* for RG10 workaround uC needs to be loaded before pipe can
* be suspended in this case.
*/
if (ipa3_ctx->apply_rg10_wa && ipa3_uc_state_check()) {
IPADBG("uC is not loaded yet, waiting...\n");
res = wait_for_completion_timeout(
&ipa3_ctx->uc_loaded_completion_obj, 60 * HZ);
if (res == 0)
IPADBG("timeout waiting for uC to load\n");
}
memset(&ep_cfg_ctrl, 0, sizeof(struct ipa_ep_cfg_ctrl));
ep_cfg_ctrl.ipa_ep_suspend = true;
ipa3_cfg_ep_ctrl(clnt_hdl, &ep_cfg_ctrl);

1
drivers/platform/msm/ipa/ipa_v3/ipa_i.h
View file

@ -1230,6 +1230,7 @@ struct ipa3_context {
bool ipa_initialization_complete;
struct list_head ipa_ready_cb_list;
struct completion init_completion_obj;
struct completion uc_loaded_completion_obj;
struct ipa3_smp2p_info smp2p_info;
};