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atsam: Add data memory barrier to USB driver

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Signed-off-by: Luke Vuksta <wulfstawulfsta@gmail.com>
This commit is contained in:
Wulfsta
2024-10-10 15:13:02 -04:00
committed by KevinOConnor
parent 8a530cbcce
commit 52af688245
1 changed files with 1 additions and 0 deletions
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src/atsam/sam3_usb.c
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@@ -32,6 +32,7 @@ usb_write_packet(uint32_t ep, const uint8_t *data, uint32_t len)
uint8_t *dest = usb_fifo(ep); uint8_t *dest = usb_fifo(ep);
while (len--) while (len--)
*dest++ = *data++; *dest++ = *data++;
__DMB();
} }
static void static void