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| author | Patrick Georgi <pgeorgi@google.com> | 2019-11-06 21:44:24 +0100 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-11-07 17:07:11 +0000 |
| commit | 1bd0562b78ca98740ae987ddf8cc96fdcddf0f37 (patch) | |
| tree | 7383b04f15ec95216994efd246cae2bcefe11aa7 /chip | |
| parent | b76871fce86d8d89e7d1d8e951bae4e9b392d150 (diff) | |
| download | chrome-ec-1bd0562b78ca98740ae987ddf8cc96fdcddf0f37.tar.gz | |
chip/stm32: Fix compile with gcc8
gcc8 packs uint8 arrays more tightly sometimes, which is bad if a
device expects a certain alignment, so make the 4byte alignment of
gcc 4.9 explicit for the buffers.
BUG=b:132204142
TEST=sweetberry firmware built with coreboot-sdk reaches the console
Change-Id: I24cf151d2df21e106fbb7e8f5b16a3bab81b09ab
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1899437
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Commit-Queue: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Brian Nemec <bnemec@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
Diffstat (limited to 'chip')
| -rw-r--r-- | chip/stm32/usb_dwc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/chip/stm32/usb_dwc.c b/chip/stm32/usb_dwc.c index eef2424842..25c6f091a2 100644 --- a/chip/stm32/usb_dwc.c +++ b/chip/stm32/usb_dwc.c @@ -146,14 +146,14 @@ static enum table_case decode_table_10_7(uint32_t doepint) /* For STATUS/OUT: Use two DMA descriptors, each with one-packet buffers */ #define NUM_OUT_BUFFERS 2 -static uint8_t ep0_setup_buf[USB_MAX_PACKET_SIZE]; +static uint8_t __attribute__((aligned(4))) ep0_setup_buf[USB_MAX_PACKET_SIZE]; /* For IN: Several DMA descriptors, all pointing into one large buffer, so that * we can return the configuration descriptor as one big blob. */ #define NUM_IN_PACKETS_AT_ONCE 4 #define IN_BUF_SIZE (NUM_IN_PACKETS_AT_ONCE * USB_MAX_PACKET_SIZE) -static uint8_t ep0_in_buf[IN_BUF_SIZE]; +uint8_t __attribute__((aligned(4))) ep0_in_buf[IN_BUF_SIZE]; struct dwc_usb_ep ep0_ctl = { .max_packet = USB_MAX_PACKET_SIZE, |