#include <linux/arm_ffa.h>
#include <linux/bitfield.h>
#include <linux/cpuhotplug.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/hashtable.h>
#include <linux/interrupt.h>
return 0;
}
+static inline void ffa_msg_send_wait_for_completion(ffa_value_t *ret)
+{
+ while (ret->a0 == FFA_INTERRUPT || ret->a0 == FFA_YIELD) {
+ if (ret->a0 == FFA_YIELD)
+ fsleep(1000);
+
+ invoke_ffa_fn((ffa_value_t){
+ .a0 = FFA_RUN, .a1 = ret->a1,
+ }, ret);
+ }
+}
+
static int ffa_msg_send_direct_req(u16 src_id, u16 dst_id, bool mode_32bit,
struct ffa_send_direct_data *data)
{
.a6 = data->data3, .a7 = data->data4,
}, &ret);
- while (ret.a0 == FFA_INTERRUPT)
- invoke_ffa_fn((ffa_value_t){
- .a0 = FFA_RUN, .a1 = ret.a1,
- }, &ret);
+ ffa_msg_send_wait_for_completion(&ret);
if (ret.a0 == FFA_ERROR)
return ffa_to_linux_errno((int)ret.a2);
invoke_ffa_fn(args, &ret);
- while (ret.a0 == FFA_INTERRUPT)
- invoke_ffa_fn((ffa_value_t){
- .a0 = FFA_RUN, .a1 = ret.a1,
- }, &ret);
+ ffa_msg_send_wait_for_completion(&ret);
if (ret.a0 == FFA_ERROR)
return ffa_to_linux_errno((int)ret.a2);