Drop unnecessary DEVICE_NOOP entries

Providing an explicit no-op function pointer is only necessary for
`.read_resources` and `.set_resources`. All other device-operation
pointers are optional and can be NULL.

Change-Id: I3d139f7be86180558cabec04b8566873062e33be
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40206
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/generic/adau7002/adau7002.c

@@ -57,7 +57,6 @@ static const char *adau7002_acpi_name(const struct device *dev)
 static struct device_operations adau7002_ops = {
 	.read_resources		= DEVICE_NOOP,
 	.set_resources		= DEVICE_NOOP,
-	.enable_resources	= DEVICE_NOOP,
 #if CONFIG(HAVE_ACPI_TABLES)
 	.acpi_name		= adau7002_acpi_name,
 	.acpi_fill_ssdt		= adau7002_fill_ssdt,

src/drivers/generic/generic/generic.c

@@ -70,7 +70,6 @@ static const char *generic_dev_acpi_name(const struct device *dev)
 static struct device_operations generic_dev_ops = {
 	.read_resources		= DEVICE_NOOP,
 	.set_resources		= DEVICE_NOOP,
-	.enable_resources	= DEVICE_NOOP,
 	.acpi_name		= generic_dev_acpi_name,
 	.acpi_fill_ssdt		= generic_dev_fill_ssdt_generator,
 };

src/drivers/generic/gpio_keys/gpio_keys.c

@@ -104,7 +104,6 @@ static const char *gpio_keys_acpi_name(const struct device *dev)
 static struct device_operations gpio_keys_ops = {
 	.read_resources		= DEVICE_NOOP,
 	.set_resources		= DEVICE_NOOP,
-	.enable_resources	= DEVICE_NOOP,
 	.acpi_name		= gpio_keys_acpi_name,
 	.acpi_fill_ssdt		= gpio_keys_fill_ssdt_generator,
 };

src/drivers/generic/gpio_regulator/gpio_regulator.c

@@ -61,7 +61,6 @@ static const char *gpio_regulator_acpi_name(const struct device *dev)
 static struct device_operations gpio_regulator_ops = {
 	.read_resources = DEVICE_NOOP,
 	.set_resources = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 	.acpi_name = gpio_regulator_acpi_name,
 	.acpi_fill_ssdt = gpio_regulator_fill_ssdt_generator,
 };

src/drivers/generic/ioapic/ioapic.c

@@ -96,7 +96,6 @@ static void ioapic_read_resources(struct device *dev)
 static struct device_operations ioapic_operations = {
 	.read_resources   = ioapic_read_resources,
 	.set_resources    = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 	.init             = ioapic_init,
 };
 

src/drivers/generic/max98357a/max98357a.c

@@ -72,7 +72,6 @@ static const char *max98357a_acpi_name(const struct device *dev)
 static struct device_operations max98357a_ops = {
 	.read_resources		= DEVICE_NOOP,
 	.set_resources		= DEVICE_NOOP,
-	.enable_resources	= DEVICE_NOOP,
 #if CONFIG(HAVE_ACPI_TABLES)
 	.acpi_name		= max98357a_acpi_name,
 	.acpi_fill_ssdt		= max98357a_fill_ssdt,