diff options
author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-06-29 17:09:40 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-07-01 15:47:07 +0200 |
commit | 5c01fc5c0084e1cb0742cb2a5b704f929733125a (patch) | |
tree | 5267ce13edb93714a4801bfd2c08ccafedc86fc6 /drivers/staging/vc04_services/interface/vchiq_arm | |
parent | 0bda14fd49a6d0fafa554c87b2167cdd8ee40b6c (diff) |
staging: vchi: Move vchi_queue_kernel_message() into vchiq
We can't really merge it with vchiq_queue_message() as it has internal
users that will not benefit from the retry mechanism
vchiq_queue_kernel_message() uses. So, for the sake of getting rid of
vchi, move it into vchiq.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200629150945.10720-43-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm')
3 files changed, 22 insertions, 27 deletions
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 bb69c91c44b0..39d15f9f4a18 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -3213,11 +3213,28 @@ error_exit: return status; } -enum vchiq_status vchiq_queue_kernel_message(unsigned int handle, void *context, - size_t size) +int vchiq_queue_kernel_message(unsigned handle, void *data, unsigned size) { - return vchiq_queue_message(handle, memcpy_copy_callback, context, size); + enum vchiq_status status; + + while (1) { + status = vchiq_queue_message(handle, memcpy_copy_callback, + data, size); + + /* + * vchiq_queue_message() may return VCHIQ_RETRY, so we need to + * implement a retry mechanism since this function is supposed + * to block until queued + */ + if (status != VCHIQ_RETRY) + break; + + msleep(1); + } + + return status; } +EXPORT_SYMBOL(vchiq_queue_kernel_message); void vchiq_release_message(unsigned int handle, diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_if.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_if.h index 931debcd6492..6374eda4ea0c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_if.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_if.h @@ -89,8 +89,8 @@ extern enum vchiq_status vchiq_open_service(struct vchiq_instance *instance, extern enum vchiq_status vchiq_close_service(unsigned int service); extern enum vchiq_status vchiq_use_service(unsigned int service); extern enum vchiq_status vchiq_release_service(unsigned int service); -extern enum vchiq_status vchiq_queue_kernel_message(unsigned int handle, - void *context, size_t size); +extern int vchiq_queue_kernel_message(unsigned handle, void *data, + unsigned size); extern void vchiq_msg_queue_push(unsigned handle, struct vchiq_header *header); extern void vchiq_release_message(unsigned int service, struct vchiq_header *header); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index 33493643b5f8..57ac6a289a08 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -9,28 +9,6 @@ #include "../vchi/vchi.h" #include "vchiq.h" -int vchi_queue_kernel_message(unsigned handle, void *data, unsigned int size) -{ - enum vchiq_status status; - - while (1) { - status = vchiq_queue_kernel_message(handle, data, size); - - /* - * vchiq_queue_message() may return VCHIQ_RETRY, so we need to - * implement a retry mechanism since this function is supposed - * to block until queued - */ - if (status != VCHIQ_RETRY) - break; - - msleep(1); - } - - return status; -} -EXPORT_SYMBOL(vchi_queue_kernel_message); - /*********************************************************** * Name: vchi_held_msg_release * |