linux-kernel - [PATCH] usb: gadget: udc: atmel: Also get regmap for at91sam9x5-pmc

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Date:	Mon, 13 Jun 2016 10:47:30 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Felipe Balbi <balbi@...nel.org>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH] usb: gadget: udc: atmel: Also get regmap for at91sam9x5-pmc

The "atmel,at91sam9g45-udc" compatible UDC is also used on at91sam9x5 so it
is also necessary to try to get the syscon for at91sam9x5-pmc.

Fixes: 4747639f01c9 ("usb: gadget: atmel: access the PMC using regmap")
Reported-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 drivers/usb/gadget/udc/atmel_usba_udc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 18569de06b04..bb1f6c8f0f01 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1920,6 +1920,8 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev,
 
 	udc->errata = match->data;
 	udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9g45-pmc");
+	if (IS_ERR(udc->pmc))
+		udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc");
 	if (udc->errata && IS_ERR(udc->pmc))
 		return ERR_CAST(udc->pmc);
 
-- 
2.8.1