linux-kernel - [PATCH] usb: isp1301-omap: Add missing gpiod_add_lookup

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Date:   Thu,  1 Apr 2021 18:20:32 +0200
From:   Maciej Falkowski <maciej.falkowski9@...il.com>
To:     aaro.koskinen@....fi, tony@...mide.com, linux@...linux.org.uk
Cc:     linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        maciej.falkowski9@...il.com
Subject: [PATCH] usb: isp1301-omap: Add missing gpiod_add_lookup_table function

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
---
 arch/arm/mach-omap1/board-h2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index c40cf5ef8607..977b0b744c22 100644
--- 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 *client, void *context)
 {
 	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);
 
-- 
2.26.3