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Trivial updates assocaited with USB host mass storage and SAMA5 EHCI

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This commit is contained in:
Gregory Nutt
2013-09-08 13:42:56 -06:00
parent 59f6aeefd2
commit 40f84dfa19
3 changed files with 39 additions and 10 deletions
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drivers/usbhost/usbhost_storage.c
+9 -4
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@@ -102,8 +102,9 @@
#define USBHOST_BOUTFOUND 0x04
#define USBHOST_ALLFOUND 0x07
#define USBHOST_MAX_RETRIES 100
#define USBHOST_MAX_CREFS 0x7fff
#define USBHOST_RETRY_USEC (50*1000) /* Retry each 50 milliseconds */
#define USBHOST_MAX_RETRIES 100 /* Give up after 5 seconds */
#define USBHOST_MAX_CREFS INT16_MAX /* Max cref count before signed overflow */
/****************************************************************************
* Private Types
@@ -700,6 +701,7 @@ static inline int usbhost_maxlunreq(FAR struct usbhost_state_s *priv)
*(priv->tbuffer) = 0;
}
return OK;
}
@@ -1218,9 +1220,12 @@ static inline int usbhost_initvolume(FAR struct usbhost_state_s *priv)
/* Wait just a bit */
usleep(50*1000);
usleep(USBHOST_RETRY_USEC);
/* Send TESTUNITREADY to see if the unit is ready */
/* Send TESTUNITREADY to see if the unit is ready. The most likely error
* error that can occur here is a a stall which simply means that the
* the device is not yet able to respond.
*/
ret = usbhost_testunitready(priv);
if (ret == OK)