Rework Linux Kernel fragment applications

- All kernel recipes must inherit linux-agl.inc
- All kernel recipes for a given version (e.g. 4.9) should include
  linux-VER-agl.inc in order to avoid duplication (such as the SMACK
  label patch or security fixes)
- We enforce having merge_config.sh be invoked at the end, in order to
  make sure fragments will be applied.
- Add a new fragment for Raspberry Pi to ensure the Pi Touchscreen is
  still enabled.

With all of the above, we fix a number of minor issues as well, such as
platforms manually enabling NBD/RAMDISK for netboot as the previous
logic was not working in all cases.

Bug-AGL: SPEC-946
Change-Id: Ic688e899df5861d83712af12d8e1c6c3c9643300
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/12063
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: José Bollo <jobol@nonadev.net>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>

4 files changed, 8 insertions, 145 deletions

diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch
deleted file mode 100644
index a1eeac3d7..000000000
--- a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-From c8bbb0f916de54610513e376070aea531af19dd6 Mon Sep 17 00:00:00 2001
-From: jooseong lee <jooseong.lee@samsung.com>
-Date: Thu, 3 Nov 2016 10:55:43 +0100
-Subject: [PATCH 4/4] Smack: Assign smack_known_web label for kernel thread's
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Assign smack_known_web label for kernel thread's socket in the sk_alloc_security hook
-
-Creating struct sock by sk_alloc function in various kernel subsystems
-like bluetooth dosen't call smack_socket_post_create(). In such case,
-received sock label is the floor('_') label and makes access deny.
-
-Refers-to: https://review.tizen.org/gerrit/#/c/80717/4
-
-Change-Id: I2e5c9359bfede84a988fd4d4d74cdb9dfdfc52d8
-Signed-off-by: jooseong lee <jooseong.lee@samsung.com>
-Signed-off-by: José Bollo <jose.bollo@iot.bzh>
----
- security/smack/smack_lsm.c | 12 ++++++++++--
- 1 file changed, 10 insertions(+), 2 deletions(-)
-
-diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
-index cf8a93f..21651bc 100644
---- a/security/smack/smack_lsm.c
-+++ b/security/smack/smack_lsm.c
-@@ -2321,8 +2321,16 @@ static int smack_sk_alloc_security(struct sock *sk, int family, gfp_t gfp_flags)
- 	if (ssp == NULL)
- 		return -ENOMEM;
- 
--	ssp->smk_in = skp;
--	ssp->smk_out = skp;
-+	/*
-+	 * Sockets created by kernel threads receive web label.
-+	 */
-+	if (unlikely(current->flags & PF_KTHREAD)) {
-+		ssp->smk_in = &smack_known_web;
-+		ssp->smk_out = &smack_known_web;
-+	} else {
-+		ssp->smk_in = skp;
-+		ssp->smk_out = skp;
-+	}
- 	ssp->smk_packet = NULL;
- 
- 	sk->sk_security = ssp;
--- 
-2.7.4
-
diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/raspberrypi-panel.cfg b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/raspberrypi-panel.cfg
new file mode 100644
index 000000000..8c573578c
--- /dev/null
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi/raspberrypi-panel.cfg
@@ -0,0 +1 @@
+CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN=y
diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
index 37066068b..d9f843e9c 100644
--- a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_%.bbappend
@@ -1,97 +1,12 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:"
 
+require recipes-kernel/linux/linux-agl.inc
+require recipes-kernel/linux/linux-agl-4.9.inc
+
 SRC_URI_append = "\
     ${@base_conditional('USE_FAYTECH_MONITOR', '1', 'file://0002-faytech-fix-rpi.patch', '', d)} \
 "
 
-do_configure_append_smack() {
-    # SMACK and Co
-    kernel_configure_variable IP_NF_SECURITY m
-    kernel_configure_variable IP6_NF_SECURITY m
-    kernel_configure_variable EXT2_FS_SECURITY y
-    kernel_configure_variable EXT3_FS_SECURITY y
-    kernel_configure_variable EXT4_FS_SECURITY y
-    kernel_configure_variable SECURITY y
-    kernel_configure_variable SECURITY_SMACK y
-    kernel_configure_variable TMPFS_XATTR y
-    kernel_configure_variable DEFAULT_SECURITY "smack"
-    kernel_configure_variable DEFAULT_SECURITY_SMACK y
-    kernel_configure_variable FANOTIFY_ACCESS_PERMISSIONS y
-}
-
-do_configure_append_netboot() {
-    # NBD for netboot
-    kernel_configure_variable BLK_DEV_NBD y
-    # ramblk for inird
-    kernel_configure_variable BLK_DEV_RAM y
-}
-
-do_configure_append_sota() {
-    # ramblk for inird
-    kernel_configure_variable BLK_DEV_RAM y
-}
-
-# can
-do_configure_append() {
-
-    kernel_configure_variable TASKSTATS y
-    kernel_configure_variable TASK_DELAY_ACCT y
-    kernel_configure_variable USER_RETURN_NOTIFIER y
-    kernel_configure_variable PREEMPT_NOTIFIERS y
-    kernel_configure_variable CAN m
-    kernel_configure_variable CAN_RAW m
-    kernel_configure_variable CAN_BCM m
-    kernel_configure_variable CAN_GW m
-    kernel_configure_variable CAN_VCAN m
-    kernel_configure_variable CAN_SLCAN m
-    kernel_configure_variable CAN_DEV m
-    kernel_configure_variable CAN_CALC_BITTIMING y
-    kernel_configure_variable CAN_MCP251X m
-    kernel_configure_variable CAN_ESD_USB2 m
-    kernel_configure_variable CAN_GS_USB m
-    kernel_configure_variable CAN_KVASER_USB m
-    kernel_configure_variable CAN_PEAK_USB m
-    kernel_configure_variable CAN_8DEV_USB m
-
-# not enabled, yet ?
-# kernel_configure_variable CAN_LEDS is not set
-# kernel_configure_variable CAN_SJA1000 is not set
-# kernel_configure_variable CAN_C_CAN is not set
-# kernel_configure_variable CAN_M_CAN is not set
-# kernel_configure_variable CAN_CC770 is not set
-# kernel_configure_variable CAN_EMS_USB is not set
-# kernel_configure_variable CAN_SOFTING is not set
-# kernel_configure_variable CAN_DEBUG_DEVICES is not set
-}
-
-do_configure_append() {
-
-    # VC4 Wayland/Weston
-    kernel_configure_variable I2C_BCM2835 y
-    kernel_configure_variable DRM y
-    kernel_configure_variable DRM_PANEL_RASPBERRYPI_TOUCHSCREEN y
-    kernel_configure_variable DRM_VC4 y
-    kernel_configure_variable FB_BCM2708 n
-
-    # Enable support for TP-Link TL-W722N USB Wifi adapter
-    kernel_configure_variable ATH_CARDS m
-    kernel_configure_variable ATH9K_HTC m
-
-    # Enable support for RTLSDR
-    kernel_configure_variable MEDIA_USB_SUPPORT y
-    kernel_configure_variable MEDIA_DIGITAL_TV_SUPPORT y
-    kernel_configure_variable DVB_USB_V2 m
-    kernel_configure_variable DVB_USB_RTL28XXU m
-
-    # KEEP until fixed upstream:
-      # Keep this the last line
-      # Remove all modified configs and add the rest to .config
-      sed -e "${CONF_SED_SCRIPT}" < '${WORKDIR}/defconfig' >> '${B}/.config'
-
-      yes '' | oe_runmake oldconfig
-      kernel_do_configure
-}
-
 CMDLINE_DEBUG = ""
 CMDLINE_append = " usbhid.mousepoll=0"
 
@@ -109,3 +24,7 @@ KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/uvc.cfg"
 
 # Enable support for joystick devices
 KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/joystick.cfg"
+
+# Enable support for Pi foundation touchscreen
+SRC_URI_append = " file://raspberrypi-panel.cfg"
+KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/raspberrypi-panel.cfg"
diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bbappend b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bbappend
deleted file mode 100644
index 3dc9a9561..000000000
--- a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.9.bbappend
+++ /dev/null
@@ -1,8 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}-4.9:"
-
-#-------------------------------------------------------------------------
-# smack patches for handling bluetooth
-
-SRC_URI_append_smack = "\
-       file://0004-Smack-Assign-smack_known_web-label-for-kernel-thread.patch \
-"