Re: Comment #135 for bugzilla 237666 : a USB3-handling problem with a investigatory fix for a cortex-a72 context
Hans Petter Selasky <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm |
|---|---|
| Message-ID | <[email protected]> |
On 2020-09-19 11:31, Mark Millard wrote:
> #ifdef __aarch64__
> __asm __volatile("dsb ld" : : : "memory");
> #endif
> temp = le32toh(phwr->hwr_events[i].dwTrb3);
>
If you look a few lines up you'll find the:
usb_pc_cpu_invalidate(&sc->sc_hw.root_pc);
That's where this instruction belongs.
--HPS
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