staging: vchiq_core: get the rid of vchiq_static_assert

Use static_assert from the kernel instead of opencode it.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1622735405-9980-6-git-send-email-stefan.wahren@i2se.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

@@ -139,7 +139,7 @@ static const char *const ioctl_names[] = {
 	"CLOSE_DELIVERED"
 };
 
-vchiq_static_assert(ARRAY_SIZE(ioctl_names) == (VCHIQ_IOC_MAX + 1));
+static_assert(ARRAY_SIZE(ioctl_names) == (VCHIQ_IOC_MAX + 1));
 
 static enum vchiq_status
 vchiq_blocking_bulk_transfer(unsigned int handle, void *data,

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c

@@ -45,10 +45,10 @@
 	((unsigned short)msgid & 0xfff)
 
 /* Ensure the fields are wide enough */
-vchiq_static_assert(VCHIQ_MSG_SRCPORT(VCHIQ_MAKE_MSG(0, 0, VCHIQ_PORT_MAX))
+static_assert(VCHIQ_MSG_SRCPORT(VCHIQ_MAKE_MSG(0, 0, VCHIQ_PORT_MAX))
 	== 0);
-vchiq_static_assert(VCHIQ_MSG_TYPE(VCHIQ_MAKE_MSG(0, VCHIQ_PORT_MAX, 0)) == 0);
-vchiq_static_assert((unsigned int)VCHIQ_PORT_MAX <
+static_assert(VCHIQ_MSG_TYPE(VCHIQ_MAKE_MSG(0, VCHIQ_PORT_MAX, 0)) == 0);
+static_assert((unsigned int)VCHIQ_PORT_MAX <
 	(unsigned int)VCHIQ_PORT_FREE);
 
 #define VCHIQ_MSGID_PADDING            VCHIQ_MAKE_MSG(VCHIQ_MSG_PADDING, 0, 0)
@@ -123,8 +123,8 @@ enum {
 };
 
 /* we require this for consistency between endpoints */
-vchiq_static_assert(sizeof(struct vchiq_header) == 8);
-vchiq_static_assert(VCHIQ_VERSION >= VCHIQ_VERSION_MIN);
+static_assert(sizeof(struct vchiq_header) == 8);
+static_assert(VCHIQ_VERSION >= VCHIQ_VERSION_MIN);
 
 static inline void check_sizes(void)
 {

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h

@@ -64,11 +64,6 @@
 #define vchiq_loud_error(...) \
 	vchiq_log_error(vchiq_core_log_level, "===== " __VA_ARGS__)
 
-#ifndef vchiq_static_assert
-#define vchiq_static_assert(cond) __attribute__((unused)) \
-	extern int vchiq_static_assert[(cond) ? 1 : -1]
-#endif
-
 #define VCHIQ_SLOT_MASK        (VCHIQ_SLOT_SIZE - 1)
 #define VCHIQ_SLOT_QUEUE_MASK  (VCHIQ_MAX_SLOTS_PER_SIDE - 1)
 #define VCHIQ_SLOT_ZERO_SLOTS  DIV_ROUND_UP(sizeof(struct vchiq_slot_zero), \
@@ -82,7 +77,7 @@
 
 typedef uint32_t BITSET_T;
 
-vchiq_static_assert((sizeof(BITSET_T) * 8) == 32);
+static_assert((sizeof(BITSET_T) * 8) == 32);
 
 #define BITSET_SIZE(b)        ((b + 31) >> 5)
 #define BITSET_WORD(b)        (b >> 5)