[rtems commit] bsp/atsam: No timeout for SPI DMA transfers

Sebastian Huber sebh at rtems.org
Wed Dec 14 12:10:18 UTC 2016


Module:    rtems
Branch:    master
Commit:    3417070dc9fabcfafe9a693113f40ddd1955a145
Changeset: http://git.rtems.org/rtems/commit/?id=3417070dc9fabcfafe9a693113f40ddd1955a145

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Dec 13 14:28:32 2016 +0100

bsp/atsam: No timeout for SPI DMA transfers

---

 c/src/lib/libbsp/arm/atsam/spi/atsam_spi_bus.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/c/src/lib/libbsp/arm/atsam/spi/atsam_spi_bus.c b/c/src/lib/libbsp/arm/atsam/spi/atsam_spi_bus.c
index 86950ae..e15ce5e 100644
--- a/c/src/lib/libbsp/arm/atsam/spi/atsam_spi_bus.c
+++ b/c/src/lib/libbsp/arm/atsam/spi/atsam_spi_bus.c
@@ -431,7 +431,6 @@ static int atsam_spi_setup_transfer(atsam_spi_bus *bus)
   uint32_t i;
   uint32_t rv_command;
   int rv = 0;
-  rtems_status_code sc;
 
   for (i=0; i<msg_todo; i++) {
     rv = atsam_message_checks(bus, &msgs[i]);
@@ -446,12 +445,9 @@ static int atsam_spi_setup_transfer(atsam_spi_bus *bus)
       rv = -1;
       break;
     }
-    sc = rtems_event_transient_receive(RTEMS_WAIT, 10000);
-    if (sc != RTEMS_SUCCESSFUL) {
-      rtems_event_transient_clear();
-      rv = -ETIMEDOUT;
-      break;
-    }
+
+    rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT);
+
     bus->rx_transfer_done = false;
     bus->tx_transfer_done = false;
     if (msgs[i].cs_change > 0) {




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