lynxis lazus has uploaded this change for review.

View Change

dfu: download: align download data buffer

The download data buffer is given to the usb stack.
Ensure the data buffer is dma capable to prevent an
additional memcpy() by the usb hal.

Change-Id: I01191a125aa62c2198e38d5e5fcd27d4e421c62e
---
M usb/class/dfu/device/dfudf.c
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-asf4-dfu refs/changes/27/42327/1

diff --git a/usb/class/dfu/device/dfudf.c b/usb/class/dfu/device/dfudf.c
index 7388060..4b010bd 100644
--- a/usb/class/dfu/device/dfudf.c
+++ b/usb/class/dfu/device/dfudf.c
@@ -42,7 +42,7 @@
 volatile enum usb_dfu_state dfu_state = USB_DFU_STATE_DFU_IDLE;
 volatile enum usb_dfu_status dfu_status = USB_DFU_STATUS_OK;
 
-uint8_t dfu_download_data[512];
+uint8_t __attribute__((aligned(4))) dfu_download_data[512];
 volatile uint16_t dfu_download_length = 0;
 volatile size_t dfu_download_offset = 0;
 

To view, visit change 42327. To unsubscribe, or for help writing mail filters, visit settings.