[PATCH v2 2/4] remoteproc: Calculate max_notifyid during load

From: Bjorn Andersson
Date: Thu Aug 11 2016 - 17:53:32 EST


The calculation of max_notifyid must only be done before we call start()
on the remoteproc drivers, so move the calculation to be part of the
loading steps.

Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Loic Pallardy <loic.pallardy@xxxxxx>
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes since v1:
- None

drivers/remoteproc/remoteproc_core.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 5ca98039e494..f484e04810f3 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -697,17 +697,13 @@ static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = {
[RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout,
[RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem,
[RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace,
- [RSC_VDEV] = NULL, /* VDEVs were handled upon registrarion */
+ [RSC_VDEV] = (rproc_handle_resource_t)rproc_count_vrings,
};

static rproc_handle_resource_t rproc_vdev_handler[RSC_LAST] = {
[RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev,
};

-static rproc_handle_resource_t rproc_count_vrings_handler[RSC_LAST] = {
- [RSC_VDEV] = (rproc_handle_resource_t)rproc_count_vrings,
-};
-
/* handle firmware resource entries before booting the remote processor */
static int rproc_handle_resources(struct rproc *rproc, int len,
rproc_handle_resource_t handlers[RSC_LAST])
@@ -836,6 +832,9 @@ static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
goto clean_up;
}

+ /* reset max_notifyid */
+ rproc->max_notifyid = -1;
+
/* handle fw resources which are required to boot rproc */
ret = rproc_handle_resources(rproc, tablesz, rproc_loading_handlers);
if (ret) {
@@ -923,13 +922,6 @@ static void rproc_fw_config_virtio(const struct firmware *fw, void *context)

rproc->table_ptr = rproc->cached_table;

- /* count the number of notify-ids */
- rproc->max_notifyid = -1;
- ret = rproc_handle_resources(rproc, tablesz,
- rproc_count_vrings_handler);
- if (ret)
- goto out;
-
/* look for virtio devices and register them */
ret = rproc_handle_resources(rproc, tablesz, rproc_vdev_handler);

--
2.5.0