update to 19d7522c1

1.UTS_VERSION add git commit id
2.loongson_2k300_defconfig:Remove unused config
3.Code improvement

arch/loongarch/configs/loongson_2k300_defconfig

@@ -6,7 +6,6 @@ CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_JIT=y
 CONFIG_PREEMPT_RT=y
-CONFIG_SCHED_CORE=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
@@ -42,14 +41,17 @@ CONFIG_HZ_1000=y
 CONFIG_CMDLINE="fbcon=logo-pos:center fbcon=logo-count:1"
 CONFIG_CMDLINE_EXTEND=y
 CONFIG_BUILTIN_DTB=y
+# CONFIG_SCHED_SMT is not set
 CONFIG_SMP=y
-CONFIG_HIBERNATION=y
+# CONFIG_SUSPEND is not set
+CONFIG_PM=y
 # CONFIG_ACPI_AC is not set
 # CONFIG_ACPI_BATTERY is not set
 # CONFIG_ACPI_BUTTON is not set
 # CONFIG_ACPI_FAN is not set
 # CONFIG_ACPI_PROCESSOR is not set
 # CONFIG_ACPI_TABLE_UPGRADE is not set
+CONFIG_JUMP_LABEL=y
 # CONFIG_RANDOMIZE_KSTACK_OFFSET is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_FORCE_LOAD=y
@@ -80,11 +82,13 @@ CONFIG_CMA_AREAS=20
 CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
+CONFIG_UNIX=y
 CONFIG_TLS=m
 CONFIG_TLS_DEVICE=y
 CONFIG_XFRM_USER=y
 CONFIG_NET_KEY=y
 CONFIG_XDP_SOCKETS=y
+CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTIPLE_TABLES=y
@@ -112,11 +116,11 @@ CONFIG_TCP_CONG_ADVANCED=y
 CONFIG_TCP_CONG_BBR=m
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
-CONFIG_INET6_AH=m
-CONFIG_INET6_ESP=m
-CONFIG_INET6_ESP_OFFLOAD=m
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_ESP_OFFLOAD=y
 CONFIG_INET6_ESPINTCP=y
-CONFIG_INET6_IPCOMP=m
+CONFIG_INET6_IPCOMP=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
 CONFIG_IPV6_MROUTE=y
 CONFIG_MPTCP=y
@@ -333,12 +337,8 @@ CONFIG_CFG80211_WEXT=y
 CONFIG_MAC80211=m
 CONFIG_RFKILL=m
 CONFIG_RFKILL_INPUT=y
-CONFIG_NET_9P=y
-CONFIG_NET_9P_VIRTIO=y
-# CONFIG_PCIEPORTBUS is not set
 # CONFIG_PCIEASPM is not set
 # CONFIG_VGA_ARB is not set
-# CONFIG_HOTPLUG_PCI is not set
 CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PCI_SW_SWITCHTEC=m
 CONFIG_UEVENT_HELPER=y
@@ -350,38 +350,20 @@ CONFIG_EFI_ZBOOT=y
 CONFIG_EFI_BOOTLOADER_CONTROL=m
 CONFIG_EFI_CAPSULE_LOADER=m
 CONFIG_EFI_TEST=m
-CONFIG_EFI_CUSTOM_SSDT_OVERLAYS=y
 # CONFIG_EFI_DISABLE_RUNTIME is not set
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_BLOCK2MTD=y
 CONFIG_MTD_SPI_NOR=y
-CONFIG_MTD_UBI=y
-CONFIG_MTD_UBI_BLOCK=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=32768
 CONFIG_VIRTIO_BLK=y
 CONFIG_EEPROM_AT24=m
-# CONFIG_SCSI_PROC_FS is not set
+CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_SG=y
 # CONFIG_BLK_DEV_BSG is not set
-CONFIG_SCSI_CONSTANTS=y
-CONFIG_SCSI_LOGGING=y
-CONFIG_SCSI_SPI_ATTRS=m
-CONFIG_SCSI_FC_ATTRS=m
-CONFIG_SCSI_ISCSI_ATTRS=m
-CONFIG_SCSI_SAS_LIBSAS=y
-CONFIG_SCSI_SAS_ATA=y
-# CONFIG_SCSI_LOWLEVEL is not set
-CONFIG_ATA=y
-CONFIG_SATA_AHCI=y
-CONFIG_SATA_MOBILE_LPM_POLICY=0
-CONFIG_SATA_AHCI_PLATFORM=y
-CONFIG_AHCI_DWC=y
-CONFIG_PATA_ATIIXP=y
 CONFIG_NETDEVICES=y
 CONFIG_BONDING=m
 CONFIG_DUMMY=y
@@ -402,36 +384,46 @@ CONFIG_VIRTIO_NET=m
 # CONFIG_NET_VENDOR_AMD is not set
 # CONFIG_NET_VENDOR_AQUANTIA is not set
 # CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_VENDOR_ASIX is not set
 # CONFIG_NET_VENDOR_ATHEROS is not set
-CONFIG_BNX2=y
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_CADENCE is not set
 # CONFIG_NET_VENDOR_CAVIUM is not set
-CONFIG_CHELSIO_T1=m
-CONFIG_CHELSIO_T1_1G=y
-CONFIG_CHELSIO_T3=m
-CONFIG_CHELSIO_T4=m
+# CONFIG_NET_VENDOR_CHELSIO is not set
 # CONFIG_NET_VENDOR_CISCO is not set
+# CONFIG_NET_VENDOR_CORTINA is not set
+# CONFIG_NET_VENDOR_DAVICOM is not set
 # CONFIG_NET_VENDOR_DEC is not set
 # CONFIG_NET_VENDOR_DLINK is not set
 # CONFIG_NET_VENDOR_EMULEX is not set
+# CONFIG_NET_VENDOR_ENGLEDER is not set
 # CONFIG_NET_VENDOR_EZCHIP is not set
-# CONFIG_NET_VENDOR_I825XX is not set
-CONFIG_E1000=y
+# CONFIG_NET_VENDOR_FUNGIBLE is not set
+# CONFIG_NET_VENDOR_GOOGLE is not set
+# CONFIG_NET_VENDOR_HUAWEI is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_ADI is not set
+# CONFIG_NET_VENDOR_LITEX is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 # CONFIG_NET_VENDOR_MELLANOX is not set
 # CONFIG_NET_VENDOR_META is not set
 # CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROCHIP is not set
+# CONFIG_NET_VENDOR_MICROSEMI is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
 # CONFIG_NET_VENDOR_MYRI is not set
+# CONFIG_NET_VENDOR_NI is not set
 # CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NETERION is not set
 # CONFIG_NET_VENDOR_NETRONOME is not set
 # CONFIG_NET_VENDOR_NVIDIA is not set
 # CONFIG_NET_VENDOR_OKI is not set
+# CONFIG_NET_VENDOR_PENSANDO is not set
 # CONFIG_NET_VENDOR_QLOGIC is not set
 # CONFIG_NET_VENDOR_BROCADE is not set
 # CONFIG_NET_VENDOR_QUALCOMM is not set
 # CONFIG_NET_VENDOR_RDC is not set
-CONFIG_8139CP=m
-CONFIG_8139TOO=m
-CONFIG_R8169=y
+# CONFIG_NET_VENDOR_REALTEK is not set
 # CONFIG_NET_VENDOR_RENESAS is not set
 # CONFIG_NET_VENDOR_ROCKER is not set
 # CONFIG_NET_VENDOR_SAMSUNG is not set
@@ -440,15 +432,20 @@ CONFIG_R8169=y
 # CONFIG_NET_VENDOR_SIS is not set
 # CONFIG_NET_VENDOR_SOLARFLARE is not set
 # CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_SOCIONEXT is not set
 CONFIG_STMMAC_ETH=y
+# CONFIG_DWMAC_LOONGSON is not set
 # CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
 # CONFIG_NET_VENDOR_TEHUTI is not set
 # CONFIG_NET_VENDOR_TI is not set
+# CONFIG_NET_VENDOR_VERTEXCOM is not set
 # CONFIG_NET_VENDOR_VIA is not set
-CONFIG_NGBE=y
+# CONFIG_NET_VENDOR_WANGXUN is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 # CONFIG_NET_VENDOR_XILINX is not set
 CONFIG_MOTORCOMM_PHY=y
+CONFIG_REALTEK_PHY=m
 CONFIG_CAN_LSCANFD=y
 CONFIG_CAN_LSCANFD_PLATFORM=y
 CONFIG_PPP=m
@@ -464,14 +461,21 @@ CONFIG_PPP_ASYNC=m
 CONFIG_PPP_SYNC_TTY=m
 CONFIG_USB_RTL8150=m
 CONFIG_USB_RTL8152=m
-CONFIG_ATH9K=m
-CONFIG_ATH9K_HTC=m
-CONFIG_IWLWIFI=m
-CONFIG_IWLDVM=m
-CONFIG_IWLMVM=m
-CONFIG_MT7601U=m
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_MICROCHIP is not set
+# CONFIG_WLAN_VENDOR_PURELIFI is not set
 CONFIG_RT2X00=m
 CONFIG_RT2800USB=m
+# CONFIG_RT2800USB_RT33XX is not set
+# CONFIG_RT2800USB_RT35XX is not set
+CONFIG_RTL8187=m
 CONFIG_RTL8192CE=m
 CONFIG_RTL8192SE=m
 CONFIG_RTL8192DE=m
@@ -484,15 +488,16 @@ CONFIG_RTL8192CU=m
 # CONFIG_RTLWIFI_DEBUG is not set
 CONFIG_RTL8XXXU=m
 CONFIG_RTW88=m
-CONFIG_RTW88_8822BE=m
-CONFIG_RTW88_8822CE=m
-CONFIG_RTW88_8723DE=m
-CONFIG_RTW88_8821CE=m
-CONFIG_RTW89=m
-CONFIG_RTW89_8852AE=m
-CONFIG_RTW89_8852CE=m
-CONFIG_ZD1211RW=m
-CONFIG_USB4_NET=m
+CONFIG_RTW88_8822BU=m
+CONFIG_RTW88_8822CU=m
+CONFIG_RTW88_8723DU=m
+CONFIG_RTW88_8821CU=m
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_SILABS is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
 CONFIG_INPUT_SPARSEKMAP=y
 CONFIG_INPUT_MOUSEDEV=y
 CONFIG_INPUT_MOUSEDEV_PSAUX=y
@@ -517,6 +522,7 @@ CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_MANY_PORTS=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_8250_RSA=y
+# CONFIG_SERIAL_8250_PERICOM is not set
 CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_SERIAL_NONSTANDARD=y
 CONFIG_VIRTIO_CONSOLE=y
@@ -525,13 +531,11 @@ CONFIG_IPMI_DEVICE_INTERFACE=m
 CONFIG_IPMI_SI=m
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_VIRTIO=m
+# CONFIG_ACPI_I2C_OPREGION is not set
 CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_PIIX4=y
 CONFIG_I2C_GPIO=y
 CONFIG_I2C_LSFS=y
 CONFIG_SPI=y
-CONFIG_SPI_LOONGSON_PCI=m
-CONFIG_SPI_LOONGSON_PLATFORM=m
 CONFIG_SPI_LS=y
 CONFIG_SPI_LS_IO=y
 CONFIG_PINCTRL=y
@@ -546,31 +550,16 @@ CONFIG_POWER_RESET_RESTART=y
 CONFIG_POWER_RESET_SYSCON=y
 CONFIG_POWER_RESET_SYSCON_POWEROFF=y
 CONFIG_SYSCON_REBOOT_MODE=y
-CONFIG_SENSORS_LM75=m
-CONFIG_SENSORS_LM93=m
 CONFIG_SENSORS_W83795=m
 CONFIG_SENSORS_W83627HF=m
 CONFIG_THERMAL=y
 CONFIG_LOONGSON2_THERMAL=y
-CONFIG_RC_CORE=m
-CONFIG_LIRC=y
-CONFIG_RC_DECODERS=y
-CONFIG_IR_IMON_DECODER=m
-CONFIG_IR_JVC_DECODER=m
-CONFIG_IR_MCE_KBD_DECODER=m
-CONFIG_IR_NEC_DECODER=m
-CONFIG_IR_RC5_DECODER=m
-CONFIG_IR_RC6_DECODER=m
-CONFIG_IR_SANYO_DECODER=m
-CONFIG_IR_SHARP_DECODER=m
-CONFIG_IR_SONY_DECODER=m
-CONFIG_IR_XMP_DECODER=m
+# CONFIG_MEDIA_CEC_SUPPORT is not set
 CONFIG_MEDIA_SUPPORT=y
 # CONFIG_DVB_CORE is not set
 CONFIG_MEDIA_USB_SUPPORT=y
-CONFIG_USB_VIDEO_CLASS=m
+CONFIG_USB_VIDEO_CLASS=y
 # CONFIG_RADIO_ADAPTERS is not set
-# CONFIG_VIDEO_IR_I2C is not set
 # CONFIG_MEDIA_TUNER_E4000 is not set
 # CONFIG_MEDIA_TUNER_FC0011 is not set
 # CONFIG_MEDIA_TUNER_FC0012 is not set
@@ -610,7 +599,6 @@ CONFIG_USB_VIDEO_CLASS=m
 # CONFIG_MEDIA_TUNER_XC5000 is not set
 CONFIG_DRM=y
 CONFIG_DRM_PANEL_LVDS=y
-CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_DISPLAY_CONNECTOR=y
 CONFIG_DRM_SIMPLE_BRIDGE=y
 CONFIG_DRM_LOONGSON=y
@@ -661,6 +649,7 @@ CONFIG_HID_MULTITOUCH=m
 CONFIG_HID_SUNPLUS=m
 CONFIG_USB_HIDDEV=y
 CONFIG_USB=y
+# CONFIG_USB_PCI is not set
 CONFIG_USB_OTG=y
 CONFIG_USB_MON=y
 CONFIG_USB_EHCI_HCD=y
@@ -668,11 +657,9 @@ CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_HCD_PLATFORM=y
-CONFIG_USB_UHCI_HCD=y
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
 CONFIG_USB_STORAGE=y
-CONFIG_USB_STORAGE_DEBUG=y
 CONFIG_USB_UAS=y
 CONFIG_USB_DWC2=y
 CONFIG_USB_DWC2_HOST=y
@@ -707,11 +694,11 @@ CONFIG_DMABUF_HEAPS_CMA=y
 CONFIG_UIO=y
 CONFIG_UIO_PDRV_GENIRQ=y
 CONFIG_UIO_DMEM_GENIRQ=y
-CONFIG_UIO_PCI_GENERIC=y
 # CONFIG_VIRTIO_MENU is not set
 # CONFIG_VHOST_MENU is not set
 # CONFIG_LOONGARCH_PLATFORM_DEVICES is not set
 CONFIG_COMMON_CLK_LOONGSON2=y
+CONFIG_IOMMU_DEBUGFS=y
 CONFIG_LOONGSON2_GUTS=y
 CONFIG_LOONGSON2_PM=y
 CONFIG_IIO=y
@@ -719,8 +706,6 @@ CONFIG_LS_2K300_ADC=y
 CONFIG_PWM=y
 CONFIG_PWM_LOONGSON=y
 CONFIG_GENERIC_PHY=y
-CONFIG_RAS=y
-CONFIG_USB4=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
@@ -728,14 +713,7 @@ CONFIG_EXT2_FS_SECURITY=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-CONFIG_XFS_FS=y
-CONFIG_XFS_QUOTA=y
-CONFIG_XFS_POSIX_ACL=y
-CONFIG_XFS_RT=y
-CONFIG_XFS_ONLINE_SCRUB=y
-CONFIG_XFS_ONLINE_REPAIR=y
-CONFIG_XFS_DEBUG=y
-CONFIG_XFS_DEBUG_EXPENSIVE=y
+CONFIG_EXPORTFS_BLOCK_OPS=y
 CONFIG_FANOTIFY=y
 CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
 CONFIG_QUOTA=y
@@ -744,12 +722,9 @@ CONFIG_OVERLAY_FS=y
 CONFIG_OVERLAY_FS_INDEX=y
 CONFIG_OVERLAY_FS_XINO_AUTO=y
 CONFIG_OVERLAY_FS_METACOPY=y
-CONFIG_FSCACHE=y
-CONFIG_CACHEFILES=y
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
 CONFIG_ZISOFS=y
-CONFIG_UDF_FS=y
 CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_FAT_DEFAULT_CODEPAGE=936
@@ -771,18 +746,6 @@ CONFIG_NFS_V4_1=y
 CONFIG_NFS_V4_2=y
 CONFIG_ROOT_NFS=y
 # CONFIG_NFS_DISABLE_UDP_SUPPORT is not set
-CONFIG_NFSD=y
-CONFIG_NFSD_V3_ACL=y
-CONFIG_NFSD_V4=y
-CONFIG_NFSD_BLOCKLAYOUT=y
-CONFIG_CEPH_FS=m
-CONFIG_CEPH_FSCACHE=y
-CONFIG_CEPH_FS_POSIX_ACL=y
-CONFIG_CEPH_FS_SECURITY_LABEL=y
-CONFIG_CIFS=m
-# CONFIG_CIFS_DEBUG is not set
-CONFIG_9P_FS=y
-CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_936=y
 CONFIG_NLS_ASCII=y
 CONFIG_NLS_UTF8=y
@@ -807,11 +770,12 @@ CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_ESSIV=m
-CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_BLAKE2B=m
 CONFIG_CRYPTO_VMAC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_XXHASH=y
 CONFIG_CRYPTO_CRC32=m
+CONFIG_CRYPTO_LZO=m
 CONFIG_CRYPTO_842=m
 CONFIG_CRYPTO_LZ4=m
 CONFIG_CRYPTO_LZ4HC=m
@@ -820,13 +784,17 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
 CONFIG_CRYPTO_DEV_VIRTIO=m
-CONFIG_XZ_DEC_MICROLZMA=y
+CONFIG_CRC_ITU_T=m
+# CONFIG_XZ_DEC_POWERPC is not set
+# CONFIG_XZ_DEC_SPARC is not set
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=0
 CONFIG_IRQ_POLL=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_SCHEDSTATS=y
 # CONFIG_FTRACE is not set

arch/loongarch/kernel/setup.c

@@ -293,65 +293,77 @@ static void __init arch_reserve_crashkernel(void)
 }
 
 #ifdef CONFIG_DTB_MATCH_BY_BOARD_NAME
+
+char *board_names[] = {
+#ifdef CONFIG_LOONGSON_2K500
+	"LS2K500-MINI-DP",
+	"LS2K500-DAYU400-MB",
+#endif
+#ifdef CONFIG_LOONGSON_2K1000
+	"LS2K1000-DP",
+#endif
+#ifdef CONFIG_LOONGSON_2P500
+	"LS2P500-GBKPJM0",
+#endif
+#ifdef CONFIG_LOONGSON_2K300
+	"LS2K300-MINI-DP",
+	"LS2K300-PAI",
+	"LS2K300-GONGKONG-GBKPGK0",
+#endif
+	NULL
+};
+
+void *fdts[] = {
+#ifdef CONFIG_LOONGSON_2K500
+	&__dtb_ls2k500_mini_dp_begin,
+	&__dtb_ls2k500_dayu400_mb_begin,
+#endif
+#ifdef CONFIG_LOONGSON_2K1000
+	&__dtb_ls2k1000_dp_begin,
+#endif
+#ifdef CONFIG_LOONGSON_2P500
+	&__dtb_ls2p500_gbkpjm0_v10_begin,
+#endif
+#ifdef CONFIG_LOONGSON_2K300
+	&__dtb_ls2k300_mini_dp_begin,
+	&__dtb_ls2k300_vanguard_pi_begin,
+	&__dtb_ls2k300_gongkong_gbkpgk0_begin,
+#endif
+	NULL
+};
+
+
 static void* __init get_fdt_by_board_name(void)
 {
 	void *fdt = NULL;
 	char *board_name = NULL;
-	char temp[128]; // 名字长度限定不超128
+	char temp[128] = {0}; // 名字长度限定不超128
 
 	board_name = strstr(boot_command_line, board_name_desc);
 	if (board_name) {
-		size_t max_len = sizeof(temp);
-		memset(temp, 0, max_len);
-		max_len -= 1;
-
 		board_name += strlen(board_name_desc); // 跳过 = 和前面的字段
 		size_t len = strcspn(board_name, " ");
+		size_t max_len = sizeof(temp) - 1;
 		len = len > max_len ? max_len : len;
 		memcpy(temp, board_name, len);
 		temp[len] = '\0';
+
 		board_name = temp;
 	}
 	if (board_name) {
-#ifdef CONFIG_LOONGSON_2K500
-		int i;
-		if (!strncmp(board_name, "LS2K500-MINI-DP", 15))
-			fdt = &__dtb_ls2k500_mini_dp_begin;
-		else if (!strncmp(board_name, "LS2K500-DAYU400-MB", 17))
-			fdt = &__dtb_ls2k500_dayu400_mb_begin;
-		else
-			fdt = &__dtb_ls2k500_mini_dp_begin;
+		bool is_found = false;
+		for (size_t i = 0; board_names[i]; i++) {
+			if (!strncmp(board_names[i], board_name, strlen(board_names[i]))) {
+				fdt = fdts[i];
+				is_found = true;
+				// pr_info("======>board_name:%s i:%lu\n", board_name, i);
+				break;
+			}
+		}
 
-		// for (i = 0; i < NR_CPUS; ++i)
-		// 	if (check_cpu_full_name_invaild(i))
-		// 		__cpu_full_name[i] = cpu_ls2k500_name;
-#elif defined(CONFIG_LOONGSON_2K1000)
-		if (!strncmp(board_name, "LS2K1000-JL-MB", 14)) {
-			fdt = &__dtb_ls2k1000_jl_mb_begin;
-		} else if (!strncmp(board_name, "LS2K1000-DP", 11)) {
-		#ifdef CONFIG_SND_LS1X_SOC_I2S
-			fdt = &__dtb_ls2k1000_dp_i2s_begin;
-		#else
-			fdt = &__dtb_ls2k1000_dp_begin;
-		#endif
-		} else {
-			fdt = &__dtb_ls2k1000_dp_begin;
+		if (!is_found) {
+			fdt = board_names[0];
 		}
-#elif defined(CONFIG_LOONGSON_2P500)
-		if (!strncmp(board_name, "LS2P500-GBKPJM0", 15))
-			fdt = &__dtb_ls2p500_gbkpjm0_v10_begin;
-		else
-			fdt = &__dtb_ls2p500_gbkpjm0_v10_begin;
-#elif defined(CONFIG_LOONGSON_2K300)
-		if (!strncmp(board_name, "LS2K300-MINI-DP", 15))
-			fdt = &__dtb_ls2k300_mini_dp_begin;
-		else if (!strncmp(board_name, "LS2K300-PAI", 11))
-			fdt = &__dtb_ls2k300_vanguard_pi_begin;
-		else if (!strncmp(board_name, "LS2K300-GONGKONG-GBKPGK0", 24))
-			fdt = &__dtb_ls2k300_gongkong_gbkpgk0_begin;
-		else
-			fdt = &__dtb_ls2k300_mini_dp_begin;
-#endif
 	}
 	return fdt;
 }
@@ -842,15 +854,13 @@ static int __init bp_start_match(void)
 	bp_start = 0;
 	bp_start_value = strstr(boot_command_line, bp_start_desc);
 	if (bp_start_value) {
-		size_t max_len = sizeof(temp);
-		memset(temp, 0, max_len);
-		max_len -= 1;
-
 		bp_start_value += strlen(bp_start_desc); // 跳过 = 和前面的字段
 		size_t len = strcspn(bp_start_value, " ");
+		size_t max_len = sizeof(temp) - 1;
 		len  = len > max_len ? max_len : len;
 		memcpy(temp, bp_start_value, len);
 		temp[len] = '\0';
+
 		bp_start_value = temp;
 	} else
 		return 1;

init/Makefile

@@ -27,13 +27,14 @@ smp-flag-$(CONFIG_SMP)			:= SMP
 preempt-flag-$(CONFIG_PREEMPT_BUILD)	:= PREEMPT
 preempt-flag-$(CONFIG_PREEMPT_DYNAMIC)	:= PREEMPT_DYNAMIC
 preempt-flag-$(CONFIG_PREEMPT_RT)	:= PREEMPT_RT
+kernel-git-info 			:= $(shell git rev-parse --short HEAD || echo "unknown-ver")
 
 build-version = $(or $(KBUILD_BUILD_VERSION), $(build-version-auto))
 build-timestamp = $(or $(KBUILD_BUILD_TIMESTAMP), $(build-timestamp-auto))
 
 # Maximum length of UTS_VERSION is 64 chars
 filechk_uts_version = \
-	utsver=$$(echo '$(pound)'"$(build-version)" $(smp-flag-y) $(preempt-flag-y) "$(build-timestamp)" | cut -b -64); \
+	utsver=$$(echo '$(pound)'"$(build-version)" $(smp-flag-y) $(preempt-flag-y) $(kernel-git-info) "$(build-timestamp)" | cut -b -64); \
 	echo '$(pound)'define UTS_VERSION \""$${utsver}"\"
 
 #