linux-kernel - [RFC 03/18] GPIO: gpio-generic: Add label to platform data

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Message-Id: <1387815830-8794-4-git-send-email-pawel.moll@arm.com>
Date:	Mon, 23 Dec 2013 16:23:35 +0000
From:	Pawel Moll <pawel.moll@....com>
To:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>, Jon Medhurst <tixy@...aro.org>,
	arm@...nel.org, Olof Johansson <olof@...om.net>,
	Pawel Moll <pawel.moll@....com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Anton Vorontsov <anton@...msg.org>
Subject: [RFC 03/18] GPIO: gpio-generic: Add label to platform data

When registering more than one platform device, it is
useful to set the gpio chip label in the platform data.

Signed-off-by: Pawel Moll <pawel.moll@....com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Alexandre Courbot <gnurou@...il.com>
Cc: Anton Vorontsov <anton@...msg.org>
---
 drivers/gpio/gpio-generic.c     | 2 ++
 include/linux/basic_mmio_gpio.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index d2196bf..8c778af 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -531,6 +531,8 @@ static int bgpio_pdev_probe(struct platform_device *pdev)
 		return err;
 
 	if (pdata) {
+		if (pdata->label)
+			bgc->gc.label = pdata->label;
 		bgc->gc.base = pdata->base;
 		if (pdata->ngpio > 0)
 			bgc->gc.ngpio = pdata->ngpio;
diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h
index d8a97ec..0e97856 100644
--- a/include/linux/basic_mmio_gpio.h
+++ b/include/linux/basic_mmio_gpio.h
@@ -19,6 +19,7 @@
 #include <linux/spinlock_types.h>
 
 struct bgpio_pdata {
+	const char *label;
 	int base;
 	int ngpio;
 };
-- 
1.8.3.2


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