linux-kernel - [PATCH 3.19.y-ckt 028/164] ARM: tegra: paz00: use con_id's to refer GPIO's in gpiod

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Date:	Wed,  2 Dec 2015 08:57:59 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Dmitry Osipenko <digetx@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 028/164] ARM: tegra: paz00: use con_id's to refer GPIO's in gpiod_lookup table

3.19.8-ckt11 -stable review patch.  If anyone has any objections, please let me know.

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

From: Dmitry Osipenko <digetx@...il.com>

commit e77b675f8786f38d40fc1562e1275875daf67fef upstream.

Commit 72daceb9a10a ("net: rfkill: gpio: Add default GPIO driver mappings
for ACPI") removed possibility to request GPIO by table index for non-ACPI
platforms without changing its users. As result "shutdown" GPIO request
will fail if request for "reset" GPIO succeeded or "reset" will be
requested instead of "shutdown" if "reset" wasn't defined. Fix it by
making gpiod_lookup_table use con_id's instead of indexes.

Signed-off-by: Dmitry Osipenko <digetx@...il.com>
Fixes: 72daceb (net: rfkill: gpio: Add default GPIO driver mappings for ACPI)
Acked-by: Alexandre Courbot <acourbot@...dia.com>
Reviewed-by: Marc Dietrich <marvin24@....de>
Tested-by: Marc Dietrich <marvin24@....de>
Signed-off-by: Thierry Reding <treding@...dia.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 arch/arm/mach-tegra/board-paz00.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index fbe74c6..49d1110 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -39,8 +39,8 @@ static struct platform_device wifi_rfkill_device = {
 static struct gpiod_lookup_table wifi_gpio_lookup = {
 	.dev_id = "rfkill_gpio",
 	.table = {
-		GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
-		GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+		GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
+		GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
 		{ },
 	},
 };
-- 
1.9.1

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