09-> OpenWRTのLinuxカーネルパッチメソッド、5Gモジュールドライバーを追加

その他 2021-03-22 15:29:17 訪問数: null

1.カーネルソースツリーを準備します

次のコマンドを使用します

make target/linux/clean V=s QUILT=1
make targe/linux/prepare V=s QUILT=1

2.カーネルソースツリーディレクトリを入力します

/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200$ ls
arch   certs    CREDITS  Documentation  firmware  include  ipc     Kconfig  lib          Makefile  net      README   scripts   sound  usr
block  COPYING  crypto   drivers        fs        init     Kbuild  kernel   MAINTAINERS  mm        patches  samples  security  tools  virt

3.カーネルパッチファイルを更新します

quilt push -a
 quilt push -a
Applying patch generic-backport/010-Kbuild-don-t-hardcode-path-to-awk-in-scripts-ld-vers.patch
patching file scripts/ld-version.sh

Applying patch generic-backport/011-kbuild-export-SUBARCH.patch
patching file Makefile

Applying patch generic-backport/012-kbuild-add-macro-for-controlling-warnings-to-linux-c.patch
patching file include/linux/compiler-gcc.h
patching file include/linux/compiler_types.h

Applying patch generic-backport/013-disable-Wattribute-alias-warning-for-SYSCALL_DEFINEx.patch
patching file include/linux/compat.h

4.新しいパッチを作成し、カーネルドライバーを変更します

例として、SIM82005Gモジュールドライバーの変更を取り上げます。

linux-4.14.200$ quilt top 
platform/825-tmu-support-layerscape.patch
linux-4.14.200$ quilt new platform/826-ls10xx-usb-serial-option.patch
linux-4.14.200$ quilt add drivers/usb/serial/option.c
# vim drivers/usb/serial/option.c 补充修改内容
linux-4.14.200$ quilt diff
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -85,6 +85,7 @@ static void option_instat_callback(struc
 #define HUAWEI_PRODUCT_K3765                   0x1465
 #define HUAWEI_PRODUCT_K4605                   0x14C6
 #define HUAWEI_PRODUCT_E173S6                  0x1C07
+#define HUAWEI_PRODUCT_ME906S                  0x15c1
 
 #define QUANTA_VENDOR_ID                       0x0408
 #define QUANTA_PRODUCT_Q101                    0xEA02
@@ -348,6 +349,7 @@ static void option_instat_callback(struc
 
 #define ALINK_VENDOR_ID                        0x1e0e
 #define SIMCOM_PRODUCT_SIM7100E                0x9001 /* Yes, ALINK_VENDOR_ID */
+#define SIMCOM_PRODUCT_SIM8200                 0x9011 /* SIMCOM 7600,8200 serial */
 #define ALINK_PRODUCT_PH300                    0x9100
 #define ALINK_PRODUCT_3GU                      0x9200

5.パッチの内容を更新します

linux-4.14.200$ quilt refresh 
Refreshed patch 1000-ls10xx-usb-serial-option.patch

6.パッチファイルをbuildrootに保存します

linux-4.14.200$ cd ../../../../
robot@ubuntu:~/OpenWrt/LS1046A-19.07$ make target/linux/update V=s
make[1]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07'
make[2]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux'
make[3]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape'
if [ -s "/home/robot/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200/patches/series" ]; then (cd "/home/robot/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200"; if quilt --quiltrc=- next >/dev/null 2>&1; then quilt --quiltrc=- push -a; else quilt --quiltrc=- top >/dev/null 2>&1; fi ); fi
'/home/robot/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200/patches/platform/825-tmu-support-layerscape.patch' -> '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape/patches-4.14/825-tmu-support-layerscape.patch'
# 新产生补丁包路径及名称
'/home/robot/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200/patches/platform/826-ls10xx-usb-serial-option.patch' -> '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape/patches-4.14/***826-ls10xx-usb-serial-option.patch***'
make[3]: Leaving directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape'
make[2]: Leaving directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux'

6.パッチファイルの変更と更新


####### (1) 打补丁文件并更新内容
linux-4.14.200$ quilt push -a
File series fully applied, ends at patch platform/826-ls10xx-usb-serial-option.patch
linux-4.14.200$ vim drivers/usb/serial/option.c 

#######(2) 查看更新内容        
linux-4.14.200$ quilt diff
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -85,6 +85,7 @@ static void option_instat_callback(struc
 #define HUAWEI_PRODUCT_K3765                   0x1465
 #define HUAWEI_PRODUCT_K4605                   0x14C6
 #define HUAWEI_PRODUCT_E173S6                  0x1C07
+#define HUAWEI_PRODUCT_ME906S                  0x15C1
 #define QUANTA_VENDOR_ID                       0x0408
 #define QUANTA_PRODUCT_Q101                    0xEA02
@@ -348,6 +349,7 @@ static void option_instat_callback(struc
 #define ALINK_VENDOR_ID                                0x1e0e
 #define SIMCOM_PRODUCT_SIM7100E                        0x9001 /* Yes, ALINK_VENDOR_ID */
+#define SIMCOM_PRODUCT_SIM8200      0x9011 /* simcom 7600 & 8200 product id */
 #define ALINK_PRODUCT_PH300                    0x9100
 #define ALINK_PRODUCT_3GU                      0x9200
@@ -628,6 +630,8 @@ static const struct usb_device_id option
          .driver_info = RSVD(1) },
        {
    
     USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
          .driver_info = RSVD(1) | RSVD(2) },
+  {
    
     USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ME906S, 0xff, 0xff, 0xff),
+    .driver_info = RSVD(1) | RSVD(2) },    
        {
    
     USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0xff, 0xff) },
        {
    
     USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x01) },
        {
    
     USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x01, 0x02) },
@@ -1824,7 +1828,7 @@ static const struct usb_device_id option
        {
    
     USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E),
          .driver_info = RSVD(5) | RSVD(6) },
        {
    
     USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) },   /* Simcom SIM7500/SIM7600 MBIM mode */
-       {
    
     USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff),     /* Simcom SIM7500/SIM7600 RNDIS mode */
+       {
    
     USB_DEVICE_INTERFACE_CLASS(0x1e0e, SIMCOM_PRODUCT_SIM8200, 0xff),     /* Simcom SIM7500/SIM7600 RNDIS mode */
          .driver_info = RSVD(7) },
        {
    
     USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9205, 0xff) },   /* Simcom SIM7070/SIM7080/SIM7090 AT+ECM mode */
        {
    
     USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) },   /* Simcom SIM7070/SIM7080/SIM7090 AT-only mode */

####### (3) 更新补丁文件的内容        
linux-4.14.200$ quilt refresh 
Warning: trailing whitespace in line 634 of drivers/usb/serial/option.c
Refreshed patch platform/826-ls10xx-usb-serial-option.patch


####### (4) 更新补丁文件至 target/linux/layerscape  目录
/OpenWrt/LS1046A-19.07$ make target/linux/refresh V=s
make[1]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07'
make[2]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux'
make[3]: Entering directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape'
Applying patch generic-backport/010-Kbuild-don-t-hardcode-path-to-awk-in-scripts-ld-vers.patch
patching file scripts/ld-version.sh
'/home/robot/OpenWrt/LS1046A-19.07/build_dir/target-aarch64_generic_glibc/linux-layerscape_armv8_64b/linux-4.14.200/patches/platform/826-ls10xx-usb-serial-option.patch' -> '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape/patches-4.14/826-ls10xx-usb-serial-option.patch'
make[3]: Leaving directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux/layerscape'
make[2]: Leaving directory '/home/robot/OpenWrt/LS1046A-19.07/target/linux'
time: target/linux/refresh#51.70#18.13#65.19

7.カーネルをコンパイルします


robot@ubuntu:~/OpenWrt/LS1046A-19.07$ make target/linux/compile
time: target/linux/prereq#0.08#0.01#0.10
 make[1] target/linux/compile
 make[2] -C target/linux compile
 
robot@ubuntu:~/OpenWrt/LS1046A-19.07$ make target/linux/install
 make[1] target/linux/install
 make[2] -C target/linux install

8.5Gドライバーを確認します

在这里插入代码片

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