platform/x86: x86-android-tablets: remove support for GPIO lookup tables

Now that everything that used the lookup tables has been switched to
using property entries to describe GPIOs, we can remove support for
registering and unregistering the lookup tables.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Link: https://patch.msgid.link/20250920200713.20193-11-hansg@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

Author: dtor

drivers/platform/x86/x86-android-tablets/core.c

@@ -153,7 +153,6 @@ static struct spi_device **spi_devs;
 static struct platform_device **pdevs;
 static struct serdev_device **serdevs;
 static struct gpio_keys_button *buttons;
-static struct gpiod_lookup_table * const *gpiod_lookup_tables;
 static const struct software_node *bat_swnode;
 static const struct software_node **gpiochip_node_group;
 static void (*exit_handler)(void);
@@ -394,9 +393,6 @@ static void x86_android_tablet_remove(struct platform_device *pdev)
 
 	if (gpiochip_node_group)
 		software_node_unregister_node_group(gpiochip_node_group);
-
-	for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
-		gpiod_remove_lookup_table(gpiod_lookup_tables[i]);
 }
 
 static __init int x86_android_tablet_probe(struct platform_device *pdev)
@@ -420,10 +416,6 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev)
 	for (i = 0; dev_info->modules && dev_info->modules[i]; i++)
 		request_module(dev_info->modules[i]);
 
-	gpiod_lookup_tables = dev_info->gpiod_lookup_tables;
-	for (i = 0; gpiod_lookup_tables && gpiod_lookup_tables[i]; i++)
-		gpiod_add_lookup_table(gpiod_lookup_tables[i]);
-
 	switch (dev_info->gpiochip_type) {
 	case X86_GPIOCHIP_BAYTRAIL:
 		gpiochip_node_group = baytrail_gpiochip_node_group;

drivers/platform/x86/x86-android-tablets/x86-android-tablets.h

@@ -17,7 +17,6 @@
 #include <linux/spi/spi.h>
 
 struct gpio_desc;
-struct gpiod_lookup_table;
 struct platform_device_info;
 struct software_node;
 
@@ -91,7 +90,6 @@ struct x86_gpio_button {
 struct x86_dev_info {
 	const char * const *modules;
 	const struct software_node *bat_swnode;
-	struct gpiod_lookup_table * const *gpiod_lookup_tables;
 	const struct x86_i2c_client_info *i2c_client_info;
 	const struct x86_spi_dev_info *spi_dev_info;
 	const struct platform_device_info *pdev_info;