Remove lin bus components

We do no longer use lin bus components in the demo.

Bug-AGL: SPEC-5189
Change-Id: Ie9b7a41f7f9b7e66b0adb26e3e26b1083a662b6a
Signed-off-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/30043
Reviewed-by: Scott Murray <scott.murray@konsulko.com>

1 files changed, 0 insertions, 108 deletions

diff --git a/recipes-kernel/sllin/files/0006-Fix-build-with-5.14-kernel.patch b/recipes-kernel/sllin/files/0006-Fix-build-with-5.14-kernel.patch
deleted file mode 100644
index bb0049f09..000000000
--- a/recipes-kernel/sllin/files/0006-Fix-build-with-5.14-kernel.patch
+++ /dev/null
@@ -1,108 +0,0 @@
-Updates for 5.14
-
-The 5.14 kernel reworked the tty register and unregister call
-arguments, and made one of the arguments to the receive_buf
-callback const, add some kernel version conditionals to handle
-those.
-
-Upstream-Status: Inappropriate [no upstream]
-Signed-off-by: Scott Murray <scott.murray@konsulko.com>
-
----
- sllin/sllin.c | 29 ++++++++++++++++++++++++-----
- 1 file changed, 24 insertions(+), 5 deletions(-)
-
-diff --git a/sllin/sllin.c b/sllin/sllin.c
-index 904cff9..b89d06d 100644
---- a/sllin/sllin.c
-+++ b/sllin/sllin.c
-@@ -72,6 +72,12 @@
- #include <linux/version.h>
- #include "linux/lin_bus.h"
- 
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,14,0)
-+#define FP_CONST const
-+#else
-+#define FP_CONST
-+#endif
-+
- /* Should be in include/linux/tty.h */
- #define N_SLLIN			25
- /* -------------------------------- */
-@@ -185,9 +191,9 @@ struct sllin {
- static struct net_device **sllin_devs;
- static int sllin_configure_frame_cache(struct sllin *sl, struct can_frame *cf);
- static void sllin_slave_receive_buf(struct tty_struct *tty,
--			      const unsigned char *cp, char *fp, int count);
-+			      const unsigned char *cp, FP_CONST char *fp, int count);
- static void sllin_master_receive_buf(struct tty_struct *tty,
--			      const unsigned char *cp, char *fp, int count);
-+			      const unsigned char *cp, FP_CONST char *fp, int count);
- 
- 
- /* Values of two parity bits in LIN Protected
-@@ -492,7 +498,7 @@ static void sll_setup(struct net_device *dev)
-   Routines looking at TTY side.
-  ******************************************/
- static void sllin_master_receive_buf(struct tty_struct *tty,
--			      const unsigned char *cp, char *fp, int count)
-+			      const unsigned char *cp, FP_CONST char *fp, int count)
- {
- 	struct sllin *sl = (struct sllin *) tty->disc_data;
- 
-@@ -735,7 +741,7 @@ static void sllin_slave_finish_rx_msg(struct sllin *sl)
- }
- 
- static void sllin_slave_receive_buf(struct tty_struct *tty,
--			      const unsigned char *cp, char *fp, int count)
-+			      const unsigned char *cp, FP_CONST char *fp, int count)
- {
- 	struct sllin *sl = (struct sllin *) tty->disc_data;
- 	int lin_id;
-@@ -842,7 +848,7 @@ static void sllin_slave_receive_buf(struct tty_struct *tty,
- }
- 
- static void sllin_receive_buf(struct tty_struct *tty,
--			      const unsigned char *cp, char *fp, int count)
-+			      const unsigned char *cp, FP_CONST char *fp, int count)
- {
- 	struct sllin *sl = (struct sllin *) tty->disc_data;
- 	netdev_dbg(sl->dev, "sllin_receive_buf invoked, count = %u\n", count);
-@@ -1619,6 +1625,9 @@ static int sllin_ioctl(struct tty_struct *tty, struct file *file,
- 
- static struct tty_ldisc_ops sll_ldisc = {
- 	.owner		= THIS_MODULE,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,14,0)
-+	.num		= N_SLLIN,
-+#endif
- #if LINUX_VERSION_CODE < KERNEL_VERSION(5,13,0)
- 	.magic		= TTY_LDISC_MAGIC,
- #endif
-@@ -1648,7 +1657,11 @@ static int __init sllin_init(void)
- 	}
- 
- 	/* Fill in our line protocol discipline, and register it */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,14,0)
-+	status = tty_register_ldisc(&sll_ldisc);
-+#else
- 	status = tty_register_ldisc(N_SLLIN, &sll_ldisc);
-+#endif
- 	if (status)  {
- 		pr_err("sllin: can't register line discipline\n");
- 		kfree(sllin_devs);
-@@ -1719,9 +1732,15 @@ static void __exit sllin_exit(void)
- 	kfree(sllin_devs);
- 	sllin_devs = NULL;
- 
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,14,0)
-+	tty_unregister_ldisc(&sll_ldisc);
-+
-+#else
- 	i = tty_unregister_ldisc(N_SLLIN);
-+
- 	if (i)
- 		pr_err("sllin: can't unregister ldisc (err %d)\n", i);
-+#endif
- }
- 
- module_init(sllin_init);