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STM32, STM32 F7, STM32 L4: OTG host drivers: Do not do data toggle if interrupt transfer is NAKed. Sugested by webbbn@gmail.com

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This commit is contained in:
Gregory Nutt 2017-03-09 15:07:31 -06:00
parent 110ae16af2
commit 9cd3f7f80a
4 changed files with 0 additions and 48 deletions
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12
arch/arm/src/stm32/stm32_otgfshost.c
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@ -2539,18 +2539,6 @@ static inline void stm32_gint_hcinisr(FAR struct stm32_usbhost_s *priv,
} }
else if (chan->chreason == CHREASON_NAK) else if (chan->chreason == CHREASON_NAK)
{ {
/* Halt on NAK only happens on an INTR channel. Fetch the HCCHAR register
* and check for an interrupt endpoint.
*/
regval = stm32_getreg(STM32_OTGFS_HCCHAR(chidx));
if ((regval & OTGFS_HCCHAR_EPTYP_MASK) == OTGFS_HCCHAR_EPTYP_INTR)
{
/* Toggle the IN data toggle (Used by Bulk and INTR only) */
chan->indata1 ^= true;
}
/* Set the NAK error result */ /* Set the NAK error result */
chan->result = EAGAIN; chan->result = EAGAIN;

12
arch/arm/src/stm32/stm32_otghshost.c
View File

@ -2544,18 +2544,6 @@ static inline void stm32_gint_hcinisr(FAR struct stm32_usbhost_s *priv,
} }
else if (chan->chreason == CHREASON_NAK) else if (chan->chreason == CHREASON_NAK)
{ {
/* Halt on NAK only happens on an INTR channel. Fetch the HCCHAR register
* and check for an interrupt endpoint.
*/
regval = stm32_getreg(STM32_OTGHS_HCCHAR(chidx));
if ((regval & OTGHS_HCCHAR_EPTYP_MASK) == OTGHS_HCCHAR_EPTYP_INTR)
{
/* Toggle the IN data toggle (Used by Bulk and INTR only) */
chan->indata1 ^= true;
}
/* Set the NAK error result */ /* Set the NAK error result */
chan->result = EAGAIN; chan->result = EAGAIN;

12
arch/arm/src/stm32f7/stm32_otghost.c
View File

@ -2538,18 +2538,6 @@ static inline void stm32_gint_hcinisr(FAR struct stm32_usbhost_s *priv,
} }
else if (chan->chreason == CHREASON_NAK) else if (chan->chreason == CHREASON_NAK)
{ {
/* Halt on NAK only happens on an INTR channel. Fetch the HCCHAR
* register and check for an interrupt endpoint.
*/
regval = stm32_getreg(STM32_OTG_HCCHAR(chidx));
if ((regval & OTG_HCCHAR_EPTYP_MASK) == OTG_HCCHAR_EPTYP_INTR)
{
/* Toggle the IN data toggle (Used by Bulk and INTR only) */
chan->indata1 ^= true;
}
/* Set the NAK error result */ /* Set the NAK error result */
chan->result = EAGAIN; chan->result = EAGAIN;

12
arch/arm/src/stm32l4/stm32l4_otgfshost.c
View File

@ -2544,18 +2544,6 @@ static inline void stm32l4_gint_hcinisr(FAR struct stm32l4_usbhost_s *priv,
} }
else if (chan->chreason == CHREASON_NAK) else if (chan->chreason == CHREASON_NAK)
{ {
/* Halt on NAK only happens on an INTR channel. Fetch the HCCHAR register
* and check for an interrupt endpoint.
*/
regval = stm32l4_getreg(STM32L4_OTGFS_HCCHAR(chidx));
if ((regval & OTGFS_HCCHAR_EPTYP_MASK) == OTGFS_HCCHAR_EPTYP_INTR)
{
/* Toggle the IN data toggle (Used by Bulk and INTR only) */
chan->indata1 ^= true;
}
/* Set the NAK error result */ /* Set the NAK error result */
chan->result = EAGAIN; chan->result = EAGAIN;