linux-kernel - [PATCH 4.9 02/92] usb: dwc3: core: Clean up ULPI device

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Message-Id: <20181129140106.689987193@linuxfoundation.org>
Date:   Thu, 29 Nov 2018 15:11:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>
Subject: [PATCH 4.9 02/92] usb: dwc3: core: Clean up ULPI device

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

commit 08fd9a82fda86529bb2f2af3c2f7cb657b4d3066 upstream.

If dwc3_core_init_mode() fails with deferred probe,
next probe fails on sysfs with

sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:11.0/dwc3.0.auto/dwc3.0.auto.ulpi'

To avoid this failure, clean up ULPI device.

Cc: <stable@...r.kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/dwc3/core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1145,6 +1145,7 @@ static int dwc3_probe(struct platform_de
 
 err5:
 	dwc3_event_buffers_cleanup(dwc);
+	dwc3_ulpi_exit(dwc);
 
 err4:
 	dwc3_free_scratch_buffers(dwc);