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Added linux drivers backports project

PATCH Superseded Petr Vorel 2 participants 2 messages Apr 19, 2015 – Apr 20, 2015

v5 of 8 Superseded Latest is v8 →

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Petr Vorel

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PATCH v5 1/1 Added linux drivers backports project

https://backports.wiki.kernel.org

Signed-off-by Petr Vorel <[email protected]>

---
Changes v4->v5:
* Added changes made by Thomas Petazzoni in Sun, 19 Apr 2015 11:03:26 +0200.

Changes v3->v4:
* Define LINUX_BACKPORTS_MAKE_ENV instead of LINUX_BACKPORTS_MAKE_OPTS, remove TARGET_MAKE_ENV from it.
* Add nconfig to LINUX_BACKPORTS_KCONFIG_EDITORS.
* Clean formating of build commands.

---
 package/Config.in                            |  1 +
 package/linux-backports/Config.in            | 40 +++++++++++++++++++++
 package/linux-backports/linux-backports.hash |  2 ++
 package/linux-backports/linux-backports.mk   | 54 ++++++++++++++++++++++++++++
 4 files changed, 97 insertions(+)
 create mode 100644 package/linux-backports/Config.in
 create mode 100644 package/linux-backports/linux-backports.hash
 create mode 100644 package/linux-backports/linux-backports.mk
package/Config.in +1 -0
index 319f01a..cdd946c 100644
@@ -365,6 +365,7 @@ endif
 	source "package/iucode-tool/Config.in"
 	source "package/kbd/Config.in"
 	source "package/lcdproc/Config.in"
+	source "package/linux-backports/Config.in"
 	source "package/lirc-tools/Config.in"
 	source "package/lm-sensors/Config.in"
 	source "package/lshw/Config.in"
package/linux-backports/Config.in new file +40 -0
new file mode 100644
index 0000000..7853ba6
@@ -0,0 +1,40 @@
+comment "linux-backports needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
+
+config BR2_PACKAGE_LINUX_BACKPORTS
+	bool "linux-backports"
+	depends on BR2_LINUX_KERNEL
+	help
+	  The backports package includes many Linux drivers from recent
+	  kernels, backported to older ones.
+
+	  https://backports.wiki.kernel.org
+
+if BR2_PACKAGE_LINUX_BACKPORTS
+
+choice
+	prompt "Linux kernel driver backports configuration"
+	default BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+
+config BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+	bool "Using a defconfig"
+
+config BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG
+	bool "Using a custom config file"
+
+endchoice
+
+config BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG
+	string "Defconfig name"
+	depends on BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+	help
+          Name of the backports defconfig file to use. The defconfig is located
+          in defconfigs/ directory in the backports tree.
+
+config BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE
+	string "Configuration file path"
+	depends on BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG
+	help
+	  Path to the backports configuration file
+
+endif
package/linux-backports/linux-backports.hash new file +2 -0
new file mode 100644
index 0000000..42ea0b3
@@ -0,0 +1,2 @@
+# From: https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v3.18.1/sha256sums.asc
+sha256 ff3d4d5192c4d57d7415dfcd60e02ea4fa21e0de224ae0ce2b5b9f2e9c815783  backports-3.18.1-1.tar.xz
package/linux-backports/linux-backports.mk new file +54 -0

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Signature · 1 line
1.8.0
#1 lore raw

PATCH v5 1/1 Added linux drivers backports project

Quoted 3 lines · Petr Vorel

https://backports.wiki.kernel.org

Signed-off-by Petr Vorel <[email protected]>

Still a few minor things below.

BTW, it's often a good idea to put people who already reviewed your patch in Cc
(just add a Cc: line below the Sob, recent git format-patch will automatically add the Cc to the mail).

Quoted 36 lines

---
Changes v4->v5:
* Added changes made by Thomas Petazzoni in Sun, 19 Apr 2015 11:03:26 +0200.

Changes v3->v4:
* Define LINUX_BACKPORTS_MAKE_ENV instead of LINUX_BACKPORTS_MAKE_OPTS, remove TARGET_MAKE_ENV from it.
* Add nconfig to LINUX_BACKPORTS_KCONFIG_EDITORS.
* Clean formating of build commands.

---
 package/Config.in                            |  1 +
 package/linux-backports/Config.in            | 40 +++++++++++++++++++++
 package/linux-backports/linux-backports.hash |  2 ++
 package/linux-backports/linux-backports.mk   | 54 ++++++++++++++++++++++++++++
 4 files changed, 97 insertions(+)
 create mode 100644 package/linux-backports/Config.in
 create mode 100644 package/linux-backports/linux-backports.hash
 create mode 100644 package/linux-backports/linux-backports.mk
package/Config.in +1 -0
index 319f01a..cdd946c 100644
@@ -365,6 +365,7 @@ endif
 	source "package/iucode-tool/Config.in"
 	source "package/kbd/Config.in"
 	source "package/lcdproc/Config.in"
+	source "package/linux-backports/Config.in"
 	source "package/lirc-tools/Config.in"
 	source "package/lm-sensors/Config.in"
 	source "package/lshw/Config.in"
package/linux-backports/Config.in new file +0 -0
new file mode 100644
index 0000000..7853ba6

package/linux-backports/Config.in line 9

Quoted 9 lines
package/linux-backports/Config.in new file +9 -0
@@ -0,0 +1,40 @@
+comment "linux-backports needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
+
+config BR2_PACKAGE_LINUX_BACKPORTS
+	bool "linux-backports"
+	depends on BR2_LINUX_KERNEL
+	help
+	  The backports package includes many Linux drivers from recent
+	  kernels, backported to older ones.

In one of your earlier mails, you mentioned the kernel version dependencies.
These should be mentioned here. In this case, I think it is something like:

This version of linux-backports supports kernels starting from 3.0.

Quoted 12 lines
package/linux-backports/Config.in new file +12 -0
+
+	  https://backports.wiki.kernel.org
+
+if BR2_PACKAGE_LINUX_BACKPORTS
+
+choice
+	prompt "Linux kernel driver backports configuration"
+	default BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+
+config BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+	bool "Using a defconfig"
+

package/linux-backports/Config.in line 31

Quoted 10 lines
package/linux-backports/Config.in new file +10 -0
+config BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG
+	bool "Using a custom config file"
+
+endchoice
+
+config BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG
+	string "Defconfig name"
+	depends on BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG
+	help
+          Name of the backports defconfig file to use. The defconfig is located

Please wrap help text lines at 72 columns.

Quoted 35 lines
package/linux-backports/Config.in new file +9 -0
+          in defconfigs/ directory in the backports tree.
+
+config BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE
+	string "Configuration file path"
+	depends on BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG
+	help
+	  Path to the backports configuration file
+
+endif
package/linux-backports/linux-backports.hash new file +2 -0
new file mode 100644
index 0000000..42ea0b3
@@ -0,0 +1,2 @@
+# From: https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v3.18.1/sha256sums.asc
+sha256 ff3d4d5192c4d57d7415dfcd60e02ea4fa21e0de224ae0ce2b5b9f2e9c815783  backports-3.18.1-1.tar.xz
package/linux-backports/linux-backports.mk new file +12 -0
new file mode 100644
index 0000000..73179a6
@@ -0,0 +1,54 @@
+################################################################################
+#
+# linux-backports
+#
+################################################################################
+
+LINUX_BACKPORTS_VERSION_MAJOR = 3.18.1
+LINUX_BACKPORTS_VERSION = $(LINUX_BACKPORTS_VERSION_MAJOR)-1
+LINUX_BACKPORTS_SOURCE = backports-$(LINUX_BACKPORTS_VERSION).tar.xz
+LINUX_BACKPORTS_SITE = $(BR2_KERNEL_MIRROR)/linux/kernel/projects/backports/stable/v$(LINUX_BACKPORTS_VERSION_MAJOR)
+LINUX_BACKPORTS_DEPENDENCIES = linux
+

package/linux-backports/linux-backports.mk line 22

Quoted 10 lines
package/linux-backports/linux-backports.mk new file +10 -0
+LINUX_BACKPORTS_MAKE_OPTS = \
+	$(LINUX_MAKE_FLAGS) \
+	KLIB_BUILD=$(LINUX_DIR) \
+	KLIB=$(TARGET_DIR)
+
+ifeq ($(BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG),y)
+LINUX_BACKPORTS_KCONFIG_FILE = $(LINUX_BACKPORTS_DIR)/defconfigs/$(call qstrip,$(BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG))
+else ifeq ($(BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG),y)
+LINUX_BACKPORTS_KCONFIG_FILE = $(BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE)
+endif

As mentioned in the v4 review, the following should be added:

# backports configure needs a configured kernel
$(LINUX_BACKPORTS_KCONFIG_FILE): linux
Quoted 9 lines
package/linux-backports/linux-backports.mk new file +9 -0
+
+define LINUX_BACKPORTS_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(LINUX_BACKPORTS_MAKE_OPTS) -C $(@D)
+endef
+
+define LINUX_BACKPORTS_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(LINUX_BACKPORTS_MAKE_OPTS) \
+		-C $(LINUX_DIR) M=$(@D) \
+		INSTALL_MOD_DIR=backports \

package/linux-backports/linux-backports.mk line 41

Quoted 10 lines
package/linux-backports/linux-backports.mk new file +10 -0
+		modules_install
+endef
+
+LINUX_BACKPORTS_KCONFIG_EDITORS = menuconfig xconfig gconfig nconfig
+LINUX_BACKPORTS_KCONFIG_OPTS = $(LINUX_BACKPORTS_MAKE_OPTS)
+
+$(eval $(kconfig-package))
+
+# Checks to give errors that the user can understand
+ifeq ($(filter source,$(MAKECMDGOALS)),)

Thomas, is your series going to extend this with source-check and external-deps?

Or let's just apply [1] and remove this entire block...

Regards,
Arnout

[1] http://patchwork.ozlabs.org/patch/459378/

Quoted 14 lines
package/linux-backports/linux-backports.mk new file +13 -0
+ifeq ($(BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG),y)
+ifeq ($(call qstrip,$(BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG)),)
+$(error No linux-backports defconfig name specified, check your BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG setting)
+endif
+endif
+
+ifeq ($(BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG),y)
+ifeq ($(call qstrip,$(BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE)),)
+$(error No linux-backports configuration file specified, check your BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE setting)
+endif
+endif
+
+endif
Signature · 6 lines
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
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