Drop explicit NULL initializations from device_operations

Unmentioned fields are initialized with 0 (or NULL) implicitly. Beside
that, the struct has grown over the years. There are too many optional
fields to list them all.

Change-Id: Icb9e14c58153d7c14817bcde148e86e977666e4b
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40126
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/amd/agesa/hudson/hda.c

@@ -20,7 +20,6 @@ static struct device_operations hda_audio_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = hda_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/agesa/hudson/ide.c

@@ -19,7 +19,6 @@ static struct device_operations ide_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = ide_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/agesa/hudson/sata.c

@@ -49,7 +49,6 @@ static struct device_operations sata_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = sata_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/agesa/hudson/sd.c

@@ -43,7 +43,6 @@ static struct device_operations sd_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = sd_init,
-	.scan_bus = 0,
 };
 
 static const struct pci_driver sd_driver __pci_driver = {

src/southbridge/amd/agesa/hudson/usb.c

@@ -20,7 +20,6 @@ static struct device_operations usb_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = usb_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/cimx/sb800/late.c

@@ -170,7 +170,6 @@ static struct device_operations sata_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = ahci_raid_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 
@@ -195,8 +194,6 @@ static struct device_operations usb_ops = {
 	.read_resources = pci_ehci_read_resources,
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
-	.init = 0,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 
@@ -226,8 +223,6 @@ static struct device_operations azalia_ops = {
 	.read_resources = pci_dev_read_resources,
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
-	.init = 0,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 
@@ -242,8 +237,6 @@ static struct device_operations gec_ops = {
 	.read_resources = pci_dev_read_resources,
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
-	.init = 0,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/pi/hudson/hda.c

@@ -26,7 +26,6 @@ static struct device_operations hda_audio_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = hda_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/pi/hudson/ide.c

@@ -19,7 +19,6 @@ static struct device_operations ide_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = ide_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/pi/hudson/sata.c

@@ -49,7 +49,6 @@ static struct device_operations sata_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = sata_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/amd/pi/hudson/sd.c

@@ -44,7 +44,6 @@ static struct device_operations sd_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = sd_init,
-	.scan_bus = 0,
 };
 
 static const struct pci_driver sd_driver __pci_driver = {

src/southbridge/amd/pi/hudson/usb.c

@@ -20,7 +20,6 @@ static struct device_operations usb_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = usb_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };