linux-kernel - [PATCH RESEND] usb: gadget: udc: atmel: handle at91sam9rl PMC

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Message-Id: <20181015213141.6699-1-alexandre.belloni@bootlin.com>
Date:   Mon, 15 Oct 2018 23:31:41 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH RESEND] usb: gadget: udc: atmel: handle at91sam9rl PMC

The at91sam9rl PMC is not quite the same as the at91sam9g45 one and now has
its own compatible string. Add support for that.

Fixes: 217bace8e548 ("ARM: dts: fix PMC compatible")
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Acked-by: Cristian Birsan <cristian.birsan@...rochip.com>
---

Hello Greg, 

This is an urgent fix that was sent on sep. 10. Can you please assist?

 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 17147b8c771e..8f267be1745d 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -2017,6 +2017,8 @@ 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,at91sam9rl-pmc");
 	if (IS_ERR(udc->pmc))
 		udc->pmc = syscon_regmap_lookup_by_compatible("atmel,at91sam9x5-pmc");
 	if (udc->errata && IS_ERR(udc->pmc))
-- 
2.19.1