linux-kernel - [PATCH 4.14 237/496] ARM: davinci: fix the GPIO lookup for omapl138-hawk

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Message-Id: <20180528100329.889014424@linuxfoundation.org>
Date:   Mon, 28 May 2018 12:00:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Sekhar Nori <nsekhar@...com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 237/496] ARM: davinci: fix the GPIO lookup for omapl138-hawk

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

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

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

[ Upstream commit c4dc56be7e26040bfc60ce73425353516a356955 ]

The GPIO chip is called davinci_gpio.0 in legacy mode. Fix it, so that
mmc can correctly lookup the wp and cp gpios.

Note that it is the gpio-davinci driver that sets the gpiochip label to
davinci_gpio.0.

Fixes: c69f43fb4f26 ("ARM: davinci: hawk: use gpio descriptor for mmc pins")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
[nsekhar@...com: add a note on where the chip label is set]
Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm/mach-davinci/board-omapl138-hawk.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -127,8 +127,8 @@ static struct gpiod_lookup_table mmc_gpi
 	.dev_id = "da830-mmc.0",
 	.table = {
 		/* CD: gpio3_12: gpio60: chip 1 contains gpio range 32-63*/
-		GPIO_LOOKUP("davinci_gpio.1", 28, "cd", GPIO_ACTIVE_LOW),
-		GPIO_LOOKUP("davinci_gpio.1", 29, "wp", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("davinci_gpio.0", 28, "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("davinci_gpio.0", 29, "wp", GPIO_ACTIVE_LOW),
 	},
 };