linux-kernel - [PATCH 5.12 156/161] ARM: OMAP1: isp1301-omap: Add missing gpiod_add_lookup

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Message-Id: <20210608175950.733646511@linuxfoundation.org>
Date:   Tue,  8 Jun 2021 20:28:06 +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,
        Maciej Falkowski <maciej.falkowski9@...il.com>,
        Tony Lindgren <tony@...mide.com>
Subject: [PATCH 5.12 156/161] ARM: OMAP1: isp1301-omap: Add missing gpiod_add_lookup_table function

From: Maciej Falkowski <maciej.falkowski9@...il.com>

commit 7c302314f37b44595f180198fca5ca646bce4a5f upstream.

The gpiod table was added without any usage making it unused
as reported by Clang compilation from omap1_defconfig on linux-next:

arch/arm/mach-omap1/board-h2.c:347:34: warning: unused variable
'isp1301_gpiod_table' [-Wunused-variable]
static struct gpiod_lookup_table isp1301_gpiod_table = {
                                 ^
1 warning generated.

The patch adds the missing gpiod_add_lookup_table() function.

Signed-off-by: Maciej Falkowski <maciej.falkowski9@...il.com>
Fixes: f3ef38160e3d ("usb: isp1301-omap: Convert to use GPIO descriptors")
Link: https://github.com/ClangBuiltLinux/linux/issues/1325
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm/mach-omap1/board-h2.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -320,7 +320,7 @@ static int tps_setup(struct i2c_client *
 {
 	if (!IS_BUILTIN(CONFIG_TPS65010))
 		return -ENOSYS;
-	
+
 	tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 				TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 
@@ -394,6 +394,8 @@ static void __init h2_init(void)
 	BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
 	gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 
+	gpiod_add_lookup_table(&isp1301_gpiod_table);
+
 	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);