linux-kernel - Re: [PATCH v2 1/5] usb: xhci: add firmware loader for uPD720201 and uPD720202 w/o ROM

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Message-ID: <1897697.zOhlaAKarQ@debian64>
Date:   Fri, 21 Jun 2019 21:59:22 +0200
From:   Christian Lamparter <chunkeey@...il.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Christian Lamparter <chunkeey@...glemail.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/5] usb: xhci: add firmware loader for uPD720201 and uPD720202 w/o ROM

On Friday, June 21, 2019 10:59:09 AM CEST Vinod Koul wrote:
> +	/*
> +	 * The Firmware's Data Format is describe in
> +	 * "6.3 Data Format" R19UH0078EJ0500 Rev.5.00 page 124
> +	 */
> +
> +	/* "Each row is 8 bytes". => firmware size must be a multiple of 8. */
> +	if (length % 8 != 0)
> +		dev_warn(&dev->dev, "firmware size is not a multiple of 8.");

It doesn't look like this holds true for the newer K2026090.mem which
arguably fixes a lot of bugs over K2013080.mem. I think we should remove
this check and message.

Cheers,
Christian