The (no)callback mode bulk transfer tends to open-code every function parameter needed to initiate the bulk transfer. Instead of doing that, simply pass a populated struct vchiq_bulk down the function chain. Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx> --- .../interface/vchiq_arm/vchiq_arm.c | 21 ++++++++++++++----- .../interface/vchiq_arm/vchiq_core.c | 15 +++++++------ .../interface/vchiq_arm/vchiq_core.h | 4 +--- .../interface/vchiq_arm/vchiq_dev.c | 12 ++++++----- 4 files changed, 31 insertions(+), 21 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 90b5ce5ee429..c2e7c2bd5071 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -497,9 +497,14 @@ vchiq_bulk_transmit(struct vchiq_instance *instance, unsigned int handle, const switch (mode) { case VCHIQ_BULK_MODE_NOCALLBACK: case VCHIQ_BULK_MODE_CALLBACK: - ret = vchiq_bulk_xfer_callback(instance, handle, (void *)data, - NULL, size, mode, userdata, - VCHIQ_BULK_TRANSMIT); + + bulk_params.offset = (void *)data; + bulk_params.mode = mode; + bulk_params.size = size; + bulk_params.userdata = userdata; + bulk_params.dir = VCHIQ_BULK_TRANSMIT; + + ret = vchiq_bulk_xfer_callback(instance, handle, &bulk_params); break; case VCHIQ_BULK_MODE_BLOCKING: bulk_params.offset = (void *)data; @@ -527,8 +532,14 @@ int vchiq_bulk_receive(struct vchiq_instance *instance, unsigned int handle, switch (mode) { case VCHIQ_BULK_MODE_NOCALLBACK: case VCHIQ_BULK_MODE_CALLBACK: - ret = vchiq_bulk_xfer_callback(instance, handle, (void *)data, NULL, - size, mode, userdata, VCHIQ_BULK_RECEIVE); + + bulk_params.offset = (void *)data; + bulk_params.mode = mode; + bulk_params.size = size; + bulk_params.userdata = userdata; + bulk_params.dir = VCHIQ_BULK_RECEIVE; + + ret = vchiq_bulk_xfer_callback(instance, handle, &bulk_params); break; case VCHIQ_BULK_MODE_BLOCKING: bulk_params.offset = (void *)data; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 6c52827868d5..bb46aa20bdb4 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -3502,9 +3502,7 @@ vchiq_bulk_xfer_blocking(struct vchiq_instance *instance, unsigned int handle, int vchiq_bulk_xfer_callback(struct vchiq_instance *instance, unsigned int handle, - void *offset, void __user *uoffset, int size, - enum vchiq_bulk_mode mode, void *userdata, - enum vchiq_bulk_dir dir) + struct vchiq_bulk *bulk_params) { struct vchiq_service *service = find_service_by_handle(instance, handle); int status = -EINVAL; @@ -3512,21 +3510,22 @@ vchiq_bulk_xfer_callback(struct vchiq_instance *instance, unsigned int handle, if (!service) return -EINVAL; - if (mode != VCHIQ_BULK_MODE_CALLBACK && - mode != VCHIQ_BULK_MODE_NOCALLBACK) + if (bulk_params->mode != VCHIQ_BULK_MODE_CALLBACK && + bulk_params->mode != VCHIQ_BULK_MODE_NOCALLBACK) goto error_exit; if (service->srvstate != VCHIQ_SRVSTATE_OPEN) goto error_exit; - if (!offset && !uoffset) + if (!bulk_params->offset && !bulk_params->uoffset) goto error_exit; if (vchiq_check_service(service)) goto error_exit; - status = vchiq_bulk_xfer_queue_msg_killable(service, offset, uoffset, - size, userdata, mode, dir); + status = vchiq_bulk_xfer_queue_msg_killable(service, bulk_params->offset, bulk_params->uoffset, + bulk_params->size, bulk_params->userdata, + bulk_params->mode, bulk_params->dir); error_exit: vchiq_service_put(service); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 82d27788b10b..186b1395d3a2 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -505,9 +505,7 @@ vchiq_bulk_xfer_blocking(struct vchiq_instance *instance, unsigned int handle, extern int vchiq_bulk_xfer_callback(struct vchiq_instance *instance, unsigned int handle, - void *offset, void __user *uoffset, int size, - enum vchiq_bulk_mode mode, void *userdata, - enum vchiq_bulk_dir dir); + struct vchiq_bulk *bulk); extern void vchiq_dump_state(struct seq_file *f, struct vchiq_state *state); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c index 8043974f8893..f56057e17963 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c @@ -335,12 +335,14 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance, status = vchiq_bulk_xfer_waiting(instance, args->handle, userdata); } else { - userdata = args->userdata; - - status = vchiq_bulk_xfer_callback(instance, args->handle, NULL, - args->data, args->size, - args->mode, userdata, dir); + bulk_params.uoffset = args->data; + bulk_params.mode = args->mode; + bulk_params.size = args->size; + bulk_params.dir = dir; + bulk_params.userdata = args->userdata; + status = vchiq_bulk_xfer_callback(instance, args->handle, + &bulk_params); } if (!waiter) { -- 2.45.2