From 7e4ae3e5a24ec272c5c5486818c73f31bdea7105 Mon Sep 17 00:00:00 2001
From: Florian Pose <fp@igh-essen.com>
Date: Fri, 2 Mar 2007 14:47:09 +0000
Subject: [PATCH] Minor changes in EEPROM write code.
---
master/slave.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/master/slave.c b/master/slave.c
index 07db78a7..44fbfb90 100644
--- a/master/slave.c
+++ b/master/slave.c
@@ -839,12 +839,13 @@ ssize_t ec_slave_write_eeprom(ec_slave_t *slave, /**< EtherCAT slave */
if (request.state == EC_EEPROM_REQ_QUEUED) {
list_del(&request.list);
up(&master->eeprom_sem);
- return -EPERM;
+ return -EINTR;
}
- // request processing: interrupt not possible.
+ // request already processing: interrupt not possible.
up(&master->eeprom_sem);
}
+ // wait until master FSM has finished processing
wait_event(master->eeprom_queue, request.state != EC_EEPROM_REQ_BUSY);
return request.state == EC_EEPROM_REQ_COMPLETED ? size : -EIO;
--
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