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Should not returned queued read requests on a reset

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2294 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-12-01 15:28:33 +00:00
parent 6c5d05074a
commit 1e85cbd2b0
3 changed files with 24 additions and 20 deletions
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28
arch/arm/src/stm32/stm32_usbdev.c
View File

@ -418,6 +418,7 @@ static int stm32_wrrequest(struct stm32_usbdev_s *priv,
struct stm32_ep_s *privep); struct stm32_ep_s *privep);
static int stm32_rdrequest(struct stm32_usbdev_s *priv, static int stm32_rdrequest(struct stm32_usbdev_s *priv,
struct stm32_ep_s *privep); struct stm32_ep_s *privep);
static void stm32_cancelrequests(struct stm32_ep_s *privep, int status);
/* Interrupt level processing ***********************************************/ /* Interrupt level processing ***********************************************/
@ -1368,13 +1369,13 @@ static int stm32_rdrequest(struct stm32_usbdev_s *priv, struct stm32_ep_s *prive
* Name: stm32_cancelrequests * Name: stm32_cancelrequests
****************************************************************************/ ****************************************************************************/
static void stm32_cancelrequests(struct stm32_ep_s *privep) static void stm32_cancelrequests(struct stm32_ep_s *privep, int status)
{ {
while (!stm32_rqempty(privep)) while (!stm32_rqempty(privep))
{ {
usbtrace(TRACE_COMPLETE(USB_EPNO(privep->ep.eplog)), usbtrace(TRACE_COMPLETE(USB_EPNO(privep->ep.eplog)),
(stm32_rqpeek(privep))->req.xfrd); (stm32_rqpeek(privep))->req.xfrd);
stm32_reqcomplete(privep, -ESHUTDOWN); stm32_reqcomplete(privep, status);
} }
} }
@ -2225,12 +2226,10 @@ static int stm32_lpinterrupt(int irq, void *context)
if ((istr & USB_ISTR_RESET) != 0) if ((istr & USB_ISTR_RESET) != 0)
{ {
/* Wakeup interrupt received. Clear the WKUP interrupt status. The cause of /* Reset interrupt received. Clear the RESET interrupt status. */
* the wakeup is indicated in the FNR register
*/
stm32_putreg(~USB_ISTR_RESET, STM32_USB_ISTR); stm32_putreg(~USB_ISTR_RESET, STM32_USB_ISTR);
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_RESET), stm32_getreg(STM32_USB_FNR)); usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_RESET), istr);
/* Restore our power-up state and exit now because istr is no longer /* Restore our power-up state and exit now because istr is no longer
* valid. * valid.
@ -2246,10 +2245,12 @@ static int stm32_lpinterrupt(int irq, void *context)
if ((istr & USB_ISTR_WKUP & priv->imask) != 0) if ((istr & USB_ISTR_WKUP & priv->imask) != 0)
{ {
/* Wakeup interrupt received. Clear the WKUP interrupt status. */ /* Wakeup interrupt received. Clear the WKUP interrupt status. The
* cause of the resume is indicated in the FNR register
*/
stm32_putreg(~USB_ISTR_WKUP, STM32_USB_ISTR); stm32_putreg(~USB_ISTR_WKUP, STM32_USB_ISTR);
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_WKUP), 0); usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_WKUP), stm32_getreg(STM32_USB_FNR));
/* Perform the wakeup action */ /* Perform the wakeup action */
@ -2689,7 +2690,7 @@ static int stm32_epdisable(struct usbdev_ep_s *ep)
/* Cancel any ongoing activity */ /* Cancel any ongoing activity */
flags = irqsave(); flags = irqsave();
stm32_cancelrequests(privep); stm32_cancelrequests(privep, -ESHUTDOWN);
/* Disable TX; disable RX */ /* Disable TX; disable RX */
@ -2877,7 +2878,7 @@ static int stm32_epcancel(struct usbdev_ep_s *ep, struct usbdev_req_s *req)
priv = privep->dev; priv = privep->dev;
flags = irqsave(); flags = irqsave();
stm32_cancelrequests(privep); stm32_cancelrequests(privep, -ESHUTDOWN);
irqrestore(flags); irqrestore(flags);
return OK; return OK;
} }
@ -3226,9 +3227,12 @@ static void stm32_reset(struct stm32_usbdev_s *priv)
{ {
struct stm32_ep_s *privep = &priv->eplist[epno]; struct stm32_ep_s *privep = &priv->eplist[epno];
/* Cancel any queue requests */ /* Cancel any queued write requests */
stm32_cancelrequests(privep); if (USB_ISEPIN(privep->ep.eplog))
{
stm32_cancelrequests(privep, -EPIPE);
}
/* Reset endpoint status */ /* Reset endpoint status */

6
drivers/usbdev/usbdev_storage.c
View File

@ -1073,7 +1073,7 @@ static void usbstrg_lununinitialize(struct usbstrg_lun_s *lun)
* *
* Description: * Description:
* Set the device configuration by allocating and configuring endpoints and * Set the device configuration by allocating and configuring endpoints and
* by allocating and queue read and write requests. * by allocating and queuing read and write requests.
* *
****************************************************************************/ ****************************************************************************/
@ -1101,7 +1101,7 @@ int usbstrg_setconfig(FAR struct usbstrg_dev_s *priv, ubyte config)
/* Already configured -- Do nothing */ /* Already configured -- Do nothing */
usbtrace(TRACE_CLSERROR(USBSTRG_TRACEERR_ALREADYCONFIGURED), 0); usbtrace(TRACE_CLSERROR(USBSTRG_TRACEERR_ALREADYCONFIGURED), 0);
return 0; return OK;
} }
/* Discard the previous configuration data */ /* Discard the previous configuration data */
@ -1113,7 +1113,7 @@ int usbstrg_setconfig(FAR struct usbstrg_dev_s *priv, ubyte config)
if (config == USBSTRG_CONFIGIDNONE) if (config == USBSTRG_CONFIGIDNONE)
{ {
usbtrace(TRACE_CLSERROR(USBSTRG_TRACEERR_CONFIGNONE), 0); usbtrace(TRACE_CLSERROR(USBSTRG_TRACEERR_CONFIGNONE), 0);
return 0; return OK;
} }
/* We only accept one configuration */ /* We only accept one configuration */