Dear Ilya Yanok,
[...]
> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> index 04300be..59039f4 100644
> --- a/drivers/usb/host/ehci-hcd.c
> +++ b/drivers/usb/host/ehci-hcd.c
> @@ -34,7 +34,10 @@ struct ehci_hccr *hccr; /* R/O registers, not need for
> volatile */ volatile struct ehci_hcor *hcor;
>
> static uint16_t portreset;
> -static struct QH qh_list __attribute__((aligned(32)));
> +DEFINE_ALIGN_BUFFER(struct QH, qh_list, 1, USB_DMA_MINALIGN);
> +
> +#define ALIGN_END_ADDR(type, ptr, size) \
> + ((uint32_t)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))
>
> static struct descriptor {
> struct usb_hub_descriptor hub;
> @@ -207,8 +210,9 @@ static int
> ehci_submit_async(struct usb_device *dev, unsigned long pipe, void
> *buffer, int length, struct devrequest *req)
> {
> - static struct QH qh __attribute__((aligned(32)));
> - static struct qTD qtd[3] __attribute__((aligned (32)));
> + /* for some reason this doesn't work with non-static qh */
> + DEFINE_ALIGN_BUFFER(struct QH, qh, 1, USB_DMA_MINALIGN);
For some reason this doesn't work, but for obvious reason this is NAK. The rest
is OK, but this is not. Let's investigate.
> + ALLOC_ALIGN_BUFFER(struct qTD, qtd, 3, USB_DMA_MINALIGN);
> int qtd_counter = 0;
>
> volatile struct qTD *vtd;
[...]
I'll poke into this hopefully later today, but if you can try finding something
until then, that'd be great :)
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