Re: [PATCH] scsi: aacraid: Add a small delay after IOP reset

[Christoph Hellwig]

On Tue, Sep 19, 2017 at 12:11:55PM -0300, Guilherme G. Piccoli wrote:
>       src_writel(dev, MUnit.IDR, IOP_SRC_RESET_MASK);
> +
> +     msleep(5000);

src_writel is a writel, and thus a posted MMIO write.  You'll need
to have to a read first to make it a reliable timing base.