linux-kernel - Re: [PATCH v2 1/1] Revert "usb: ulpi: defer ulpi_register on ulpi_read

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Date:   Mon, 2 Jan 2023 12:10:33 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Ferry Toth <ftoth@...londelft.nl>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sean Anderson <sean.anderson@...o.com>,
        Liu Shixin <liushixin2@...wei.com>,
        Ferry Toth <fntoth@...il.com>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/1] Revert "usb: ulpi: defer ulpi_register on
 ulpi_read_id timeout"

On Thu, Dec 22, 2022 at 09:53:02PM +0100, Ferry Toth wrote:
> This reverts commit 8a7b31d545d3a15f0e6f5984ae16f0ca4fd76aac.
> 
> This patch results in some qemu test failures, specifically xilinx-zynq-a9
> machine and zynq-zc702 as well as zynq-zed devicetree files, when trying
> to boot from USB drive.
> 
> Fixes: 8a7b31d545d3 ("usb: ulpi: defer ulpi_register on ulpi_read_id timeout")
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Cc: stable@...r.kernel.org
> Link: https://lore.kernel.org/lkml/20221220194334.GA942039@roeck-us.net/
> Signed-off-by: Ferry Toth <ftoth@...londelft.nl>

Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/common/ulpi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
> index 60e8174686a1..d7c8461976ce 100644
> --- a/drivers/usb/common/ulpi.c
> +++ b/drivers/usb/common/ulpi.c
> @@ -207,7 +207,7 @@ static int ulpi_read_id(struct ulpi *ulpi)
>  	/* Test the interface */
>  	ret = ulpi_write(ulpi, ULPI_SCRATCH, 0xaa);
>  	if (ret < 0)
> -		return ret;
> +		goto err;
>  
>  	ret = ulpi_read(ulpi, ULPI_SCRATCH);
>  	if (ret < 0)
> -- 
> 2.37.2

-- 
heikki