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,
 };
 

src/southbridge/intel/bd82x6x/azalia.c

@@ -333,7 +333,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
 	.acpi_name		= azalia_acpi_name,
 };

src/southbridge/intel/bd82x6x/sata.c

@@ -246,7 +246,6 @@ static struct device_operations sata_ops = {
 	.acpi_fill_ssdt		= sata_fill_ssdt,
 	.init			= sata_init,
 	.enable			= sata_enable,
-	.scan_bus		= 0,
 	.ops_pci		= &sata_pci_ops,
 	.acpi_name		= sata_acpi_name,
 };

src/southbridge/intel/bd82x6x/usb_ehci.c

@@ -97,7 +97,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_ehci_init,
-	.scan_bus		= 0,
 	.ops_pci		= &lops_pci,
 	.acpi_name		= usb_ehci_acpi_name,
 };

src/southbridge/intel/bd82x6x/usb_xhci.c

@@ -53,7 +53,6 @@ static struct device_operations usb_xhci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_xhci_init,
-	.scan_bus		= 0,
 	.ops_pci		= &xhci_pci_ops,
 	.acpi_name		= xhci_acpi_name,
 };

src/southbridge/intel/i82371eb/ide.c

@@ -146,8 +146,6 @@ static const struct device_operations ide_ops_fb_sb = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= ide_init_i82371fb_sb,
-	.scan_bus		= 0,
-	.enable			= 0,
 	.ops_pci		= 0, /* No subsystem IDs on 82371XX! */
 };
 
@@ -157,8 +155,6 @@ static const struct device_operations ide_ops_ab_eb_mb = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= ide_init_i82371ab_eb_mb,
-	.scan_bus		= 0,
-	.enable			= 0,
 	.ops_pci		= 0, /* No subsystem IDs on 82371XX! */
 };
 

src/southbridge/intel/i82371eb/isa.c

@@ -135,7 +135,6 @@ static const struct device_operations isa_ops = {
 #endif
 	.init			= isa_init,
 	.scan_bus		= scan_static_bus,
-	.enable			= 0,
 	.ops_pci		= 0, /* No subsystem IDs on 82371EB! */
 };
 

src/southbridge/intel/i82371eb/smbus.c

@@ -113,7 +113,6 @@ static const struct device_operations smbus_ops = {
 	.read_resources		= pwrmgt_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
-	.init			= 0,
 	.scan_bus		= scan_smbus,
 	.enable			= pwrmgt_enable,
 	.ops_pci		= 0, /* No subsystem IDs on 82371EB! */

src/southbridge/intel/i82371eb/usb.c

@@ -37,8 +37,6 @@ static const struct device_operations usb_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_init,
-	.scan_bus		= 0,
-	.enable			= 0,
 	.ops_pci		= 0, /* No subsystem IDs on 82371EB! */
 };
 

src/southbridge/intel/i82801dx/ac97.c

@@ -241,7 +241,6 @@ static struct device_operations ac97_audio_ops  = {
 	.enable_resources = pci_dev_enable_resources,
 	.enable           = i82801dx_enable,
 	.init             = ac97_audio_init,
-	.scan_bus         = 0,
 };
 
 static struct device_operations ac97_modem_ops  = {
@@ -250,7 +249,6 @@ static struct device_operations ac97_modem_ops  = {
 	.enable_resources = pci_dev_enable_resources,
 	.enable           = i82801dx_enable,
 	.init             = ac97_modem_init,
-	.scan_bus         = 0,
 };
 
 /* 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) */

src/southbridge/intel/i82801dx/ide.c

@@ -47,7 +47,6 @@ static struct device_operations ide_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = ide_init,
-	.scan_bus = 0,
 	.enable = i82801dx_enable,
 };
 

src/southbridge/intel/i82801dx/usb.c

@@ -24,7 +24,6 @@ static struct device_operations usb_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = usb_init,
-	.scan_bus = 0,
 	.enable = i82801dx_enable,
 };
 

src/southbridge/intel/i82801dx/usb2.c

@@ -25,7 +25,6 @@ static struct device_operations usb2_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = usb2_init,
-	.scan_bus = 0,
 	.enable = i82801dx_enable,
 };
 

src/southbridge/intel/i82801gx/ac97.c

@@ -243,7 +243,6 @@ static struct device_operations ac97_audio_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= ac97_audio_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &ac97_pci_ops,
 };
@@ -253,7 +252,6 @@ static struct device_operations ac97_modem_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= ac97_modem_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &ac97_pci_ops,
 };

src/southbridge/intel/i82801gx/azalia.c

@@ -300,7 +300,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &azalia_pci_ops,
 };

src/southbridge/intel/i82801gx/ide.c

@@ -89,7 +89,6 @@ static struct device_operations ide_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= ide_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &ide_pci_ops,
 };

src/southbridge/intel/i82801gx/nic.c

@@ -17,7 +17,6 @@ static struct device_operations nic_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= nic_init,
-	.scan_bus		= 0,
 };
 
 /* 82801GB/GR/GDH/GBM/GHM (ICH7/ICH7R/ICH7DH/ICH7-M/ICH7-M DH) */

src/southbridge/intel/i82801gx/sata.c

@@ -227,7 +227,6 @@ static struct device_operations sata_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &sata_pci_ops,
 };

src/southbridge/intel/i82801gx/usb.c

@@ -39,7 +39,6 @@ static struct device_operations usb_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &usb_pci_ops,
 };

src/southbridge/intel/i82801gx/usb_ehci.c

@@ -71,7 +71,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_ehci_init,
-	.scan_bus		= 0,
 	.enable			= i82801gx_enable,
 	.ops_pci		= &lops_pci,
 };

src/southbridge/intel/i82801ix/hdaudio.c

@@ -283,7 +283,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
 };
 

src/southbridge/intel/i82801ix/sata.c

@@ -258,7 +258,6 @@ static struct device_operations sata_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_init,
 	.enable			= sata_enable,
-	.scan_bus		= 0,
 	.ops_pci		= &sata_pci_ops,
 };
 

src/southbridge/intel/i82801ix/thermal.c

@@ -46,7 +46,6 @@ static struct device_operations device_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= thermal_init,
-	.scan_bus		= 0,
 	.ops_pci		= &thermal_pci_ops,
 };
 

src/southbridge/intel/i82801ix/usb_ehci.c

@@ -52,7 +52,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_ehci_init,
-	.scan_bus		= 0,
 	.ops_pci		= &lops_pci,
 };
 

src/southbridge/intel/i82801jx/hdaudio.c

@@ -283,7 +283,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
 };
 

src/southbridge/intel/i82801jx/sata.c

@@ -252,7 +252,6 @@ static struct device_operations sata_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_init,
 	.enable			= sata_enable,
-	.scan_bus		= 0,
 	.ops_pci		= &sata_pci_ops,
 };
 

src/southbridge/intel/i82801jx/thermal.c

@@ -46,7 +46,6 @@ static struct device_operations device_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= thermal_init,
-	.scan_bus		= 0,
 	.ops_pci		= &thermal_pci_ops,
 };
 

src/southbridge/intel/i82801jx/usb_ehci.c

@@ -54,7 +54,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_ehci_init,
-	.scan_bus		= 0,
 	.ops_pci		= &lops_pci,
 };
 

src/southbridge/intel/i82870/ioapic.c

@@ -87,7 +87,6 @@ static struct device_operations ioapic_ops = {
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init     = p64h2_ioapic_init,
-	.scan_bus = 0,
 	.enable   = p64h2_ioapic_enable,
 };
 

src/southbridge/intel/ibexpeak/azalia.c

@@ -308,7 +308,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
 };
 

src/southbridge/intel/ibexpeak/sata.c

@@ -229,7 +229,6 @@ static struct device_operations sata_ops = {
 	.init = sata_init,
 	.enable = sata_enable,
 	.acpi_fill_ssdt = sata_fill_ssdt,
-	.scan_bus = 0,
 	.ops_pci = &sata_pci_ops,
 };
 

src/southbridge/intel/ibexpeak/thermal.c

@@ -40,7 +40,6 @@ static struct device_operations thermal_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = thermal_init,
-	.scan_bus = 0,
 	.ops_pci = &pci_ops,
 };
 

src/southbridge/intel/ibexpeak/usb_ehci.c

@@ -80,7 +80,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources = pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init = usb_ehci_init,
-	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };
 

src/southbridge/intel/lynxpoint/azalia.c

@@ -149,7 +149,6 @@ static struct device_operations azalia_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= azalia_init,
-	.scan_bus		= 0,
 	.ops_pci		= &azalia_pci_ops,
 };
 

src/southbridge/intel/lynxpoint/sata.c

@@ -321,7 +321,6 @@ static struct device_operations sata_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_init,
 	.enable			= sata_enable,
-	.scan_bus		= 0,
 	.ops_pci		= &sata_pci_ops,
 };
 

src/southbridge/intel/lynxpoint/usb_ehci.c

@@ -177,7 +177,6 @@ static struct device_operations usb_ehci_ops = {
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= usb_ehci_init,
-	.scan_bus		= 0,
 	.ops_pci		= &lops_pci,
 };
 

src/southbridge/ti/pci1x2x/pci1x2x.c

@@ -58,7 +58,6 @@ struct device_operations southbridge_ti_pci1x2x_pciops = {
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = cardbus_enable_resources,
 	.init             = ti_pci1x2y_init,
-	.scan_bus         = 0,
 	.ops_pci          = &ti_pci1x2y_pci_ops,
 };