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usb: Fix for ZLP.

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This commit is contained in:
NIIBE Yutaka
2018-08-20 12:43:35 +09:00
parent 802dbbd639
commit 1cbe0abdee
4 changed files with 16 additions and 10 deletions
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8
mcu/usb-mkl27z.c
View File

@@ -950,11 +950,11 @@ usb_lld_ctrl_send (struct usb_dev *dev, const void *buf, size_t buflen)
data_p->len = buflen;
/* Restrict the data length to be the one host asks for */
if (data_p->len > len_asked)
if (data_p->len >= len_asked)
data_p->len = len_asked;
data_p->require_zlp = (data_p->len != 0
&& (data_p->len % USB_MAX_PACKET_SIZE) == 0);
/* ZLP is only required when host doesn't expect the end of packets. */
else if (data_p->len != 0 && (data_p->len % USB_MAX_PACKET_SIZE) == 0)
data_p->require_zlp = 1;
if (data_p->len < USB_MAX_PACKET_SIZE)
{

6
mcu/usb-stm32f103.c
View File

@@ -1105,10 +1105,10 @@ usb_lld_ctrl_send (struct usb_dev *dev, const void *buf, size_t buflen)
data_p->len = buflen;
/* Restrict the data length to be the one host asks for */
if (data_p->len > len_asked)
if (data_p->len >= len_asked)
data_p->len = len_asked;
if (data_p->len != 0 && (data_p->len % USB_MAX_PACKET_SIZE) == 0)
/* ZLP is only required when host doesn't expect the end of packets. */
else if (data_p->len != 0 && (data_p->len % USB_MAX_PACKET_SIZE) == 0)
data_p->require_zlp = 1;
if (data_p->len < USB_MAX_PACKET_SIZE)

6
mcu/usb-usbip.c
View File

@@ -2169,10 +2169,10 @@ usb_lld_ctrl_send (struct usb_dev *dev, const void *buf, size_t buflen)
data_p->len = buflen;
/* Restrict the data length to be the one host asks for */
if (data_p->len > len_asked)
if (data_p->len >= len_asked)
data_p->len = len_asked;
if (data_p->len != 0 && (data_p->len % USB_MAX_PACKET_SIZE) == 0)
/* ZLP is only required when host doesn't expect the end of packets. */
else if (data_p->len != 0 && (data_p->len % USB_MAX_PACKET_SIZE) == 0)
data_p->require_zlp = 1;
if (data_p->len < USB_MAX_PACKET_SIZE)