diff options
Diffstat (limited to 'drivers/remoteproc/remoteproc_core.c')
-rw-r--r-- | drivers/remoteproc/remoteproc_core.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index c4a13a984..a8958b8fb 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -57,6 +57,8 @@ static DEFINE_IDA(rproc_dev_index); static const char * const rproc_crash_names[] = { [RPROC_MMUFAULT] = "mmufault", + [RPROC_WATCHDOG] = "watchdog", + [RPROC_FATAL_ERROR] = "fatal error", }; /* translate rproc_crash_type to string */ @@ -856,12 +858,8 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw) * copy this information to device memory. */ loaded_table = rproc_find_loaded_rsc_table(rproc, fw); - if (!loaded_table) { - ret = -EINVAL; - goto clean_up; - } - - memcpy(loaded_table, rproc->cached_table, tablesz); + if (loaded_table) + memcpy(loaded_table, rproc->cached_table, tablesz); /* power up the remote processor */ ret = rproc->ops->start(rproc); @@ -1030,8 +1028,9 @@ static void rproc_crash_handler_work(struct work_struct *work) } /** - * rproc_boot() - boot a remote processor + * __rproc_boot() - boot a remote processor * @rproc: handle of a remote processor + * @wait: wait for rproc registration completion * * Boot a remote processor (i.e. load its firmware, power it on, ...). * @@ -1040,7 +1039,7 @@ static void rproc_crash_handler_work(struct work_struct *work) * * Returns 0 on success, and an appropriate error value otherwise. */ -int rproc_boot(struct rproc *rproc) +static int __rproc_boot(struct rproc *rproc, bool wait) { const struct firmware *firmware_p; struct device *dev; @@ -1088,6 +1087,10 @@ int rproc_boot(struct rproc *rproc) goto downref_rproc; } + /* if rproc virtio is not yet configured, wait */ + if (wait) + wait_for_completion(&rproc->firmware_loading_complete); + ret = rproc_fw_boot(rproc, firmware_p); release_firmware(firmware_p); @@ -1101,9 +1104,29 @@ unlock_mutex: mutex_unlock(&rproc->lock); return ret; } + +/** + * rproc_boot() - boot a remote processor + * @rproc: handle of a remote processor + */ +int rproc_boot(struct rproc *rproc) +{ + return __rproc_boot(rproc, true); +} EXPORT_SYMBOL(rproc_boot); /** + * rproc_boot_nowait() - boot a remote processor + * @rproc: handle of a remote processor + * + * Same as rproc_boot() but don't wait for rproc registration completion + */ +int rproc_boot_nowait(struct rproc *rproc) +{ + return __rproc_boot(rproc, false); +} + +/** * rproc_shutdown() - power off the remote processor * @rproc: the remote processor * |