On Wednesday, July 02, 2014 at 12:42:40 AM, Jörg Krause wrote:
On 07/01/2014 11:36 PM, Stephen Warren wrote:
[snip] Can you please try one more thing:
Go back to u-boot-usb/master plus just your board support patches. Apply
the following and test that:
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index a6433e8d2d8d..13be1b73d3d1 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -209,9 +209,9 @@ ci_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags)
ci_req = memalign(ARCH_DMA_MINALIGN, sizeof(*ci_req)); if (!ci_req) return NULL;
memset(ci_req, 0, sizeof(*ci_req)); INIT_LIST_HEAD(&ci_req->queue);
ci_req->b_buf = 0; if (num == 0) controller.ep0_req = ci_req;Thanks.
Applied and tested with printf in cache.c enabled. ttp runs more than three times in row without a timeout error.
It might really be worth if you ran git log --oneline and showed us exactly which patches were applied for each particular test. I am really getting lost sometimes ...
=> reset resetting ... HTLLCLLC U-Boot 2014.07-rc3-g88eca85-dirty (Jul 02 2014 - 00:39:20) CPU: Freescale i.MX28 rev1.2 at 454 MHz BOOT: NAND, 3V3 DRAM: 64 MiB NAND: 128 MiB In: serial Out: serial Err: serial Net: usb_ether [PRIME] Hit any key to stop autoboot: 0 => tftp imx28-airlino.dtb using ci_udc, OUT ep- IN ep- STATUS ep- MAC 00:19:b8:00:00:02 HOST MAC 00:19:b8:00:00:01 high speed config #1: 2 mA, Ethernet Gadget, using CDC Ethernet USB network up! Using usb_ether device TFTP from server 10.0.0.1; our IP address is 10.0.0.2 Filename 'imx28-airlino.dtb'. Load address: 0x40008000 Loading: ## 2.1 MiB/s done Bytes transferred = 18003 (4653 hex) CACHE: Misaligned operation at range [40008000, 4000c653]
This is a bug somewhere.
=> CACHE: Misaligned operation at range [43fd0b08, 43fd0b60]
This is a bug.
CACHE: Misaligned operation at range [43fd0b14, 43fd0b60]
This is a bug.
It would be nice to figure out where these unaligned accesses come from.