linux-kernel - [PATCH v1 1/1] Revert "usb: ulpi: defer ulpi_register on ulpi_read

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Message-Id: <20221221201805.19436-1-ftoth@exalondelft.nl>
Date:   Wed, 21 Dec 2022 21:18:05 +0100
From:   Ferry Toth <ftoth@...londelft.nl>
To:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        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>,
        Ferry Toth <ftoth@...londelft.nl>,
        Guenter Roeck <linux@...ck-us.net>, stable@...r.kernel.org
Subject: [PATCH v1 1/1] Revert "usb: ulpi: defer ulpi_register on ulpi_read_id timeout"

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://lkml.org/lkml/2022/12/20/803
Signed-off-by: Ferry Toth <ftoth@...londelft.nl>
---
 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