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SAM4E UDP: Remove spurious clearing of RXSETUP

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This commit is contained in:
Gregory Nutt 2014-03-18 15:19:45 -06:00
parent 82c93c91ea
commit 1da26f8f04
1 changed files with 9 additions and 13 deletions
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14
arch/arm/src/sam34/sam_udp.c
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@ -2129,7 +2129,11 @@ static void sam_ep_interrupt(struct sam_usbdev_s *priv, int epno)
sam_ep0_read((uint8_t *)&priv->ctrl, USB_SIZEOF_CTRLREQ);
/* Acknowledge SETUP packet */
/* Clear the RXSETUP indication. RXSETUP cannot be cleared before the
* SETUP packet has been read in from the FIFO. Otherwise, the USB
* device would accept the next Data OUT transfer and overwrite the
* SETUP packet in the FIFO.
*/
sam_csr_clrbits(epno, UDPEP_CSR_RXSETUP);
@ -2155,14 +2159,6 @@ static void sam_ep_interrupt(struct sam_usbdev_s *priv, int epno)
privep->epstate = UDP_EPSTATE_IDLE;
sam_ep0_setup(priv);
}
/* Clear the RXSETUP indication. RXSETUP cannot be cleared before the
* SETUP packet has been read in the FIFO. Otherwise, the USB device
* would accept the next Data OUT transfer and overwrite the SETUP
* packet in the FIFO.
*/
sam_csr_clrbits(epno, UDPEP_CSR_RXSETUP);
}
}