[REVERTME] arch/risc-v/src/mpfs/mpfs_corespi.c: Hack around a bug in …

…nuttx nxsem_tickwait_uninterruptible bug The nxsem_tickwait_uninterruptible seems to timeout randomly one tick too soon. Add one tick to timeout to make sure it is long enough. This can be reverted when the actual bug is fixed. Signed-off-by: Jukka Laitinen <[email protected]>
tiiuae · May 17, 2023 · c9a794c · c9a794c
1 parent 2665ecb
commit c9a794c
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/arch/risc-v/src/mpfs/mpfs_corespi.c b/arch/risc-v/src/mpfs/mpfs_corespi.c
@@ -661,7 +661,13 @@ static int mpfs_spi_sem_waitdone(struct mpfs_spi_priv_s *priv)
 {
   uint32_t timeout = SPI_TTOA_US(priv->txwords * priv->nbits, priv->actual);
   timeout += SPI_TTOA_MARGIN_US;
-  return nxsem_tickwait_uninterruptible(&priv->sem_isr, USEC2TICK(timeout));
+
+  /* Hack: add +1 to timeout due to some bug in NuttX. It randomly timeouts
+   * one tick too early
+   */
+
+  return nxsem_tickwait_uninterruptible(&priv->sem_isr, USEC2TICK(timeout) +
+                                        1);
 }
 
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