diff options
| -rw-r--r-- | recipes-kernel/sllin/files/0005-Fix-build-with-5.13-kernel.patch | 24 | ||||
| -rw-r--r-- | recipes-kernel/sllin/files/0006-Fix-build-with-5.14-kernel.patch | 108 | ||||
| -rw-r--r-- | recipes-kernel/sllin/sllin.bb | 2 |
3 files changed, 134 insertions, 0 deletions
diff --git a/recipes-kernel/sllin/files/0005-Fix-build-with-5.13-kernel.patch b/recipes-kernel/sllin/files/0005-Fix-build-with-5.13-kernel.patch new file mode 100644 index 000000000..511470810 --- /dev/null +++ b/recipes-kernel/sllin/files/0005-Fix-build-with-5.13-kernel.patch @@ -0,0 +1,24 @@ +Remove TTY_LDISC_MAGIC usage + +The 5.13 kernel removed the .magic field from tty_ldisc_ops and +the associated TTY_LDISC_MAGIC #define, so remove their use when +building for 5.13 or newer. + +Upstream-Status: Inappropriate [no upstream] +Signed-off-by: Scott Murray <scott.murray@konsulko.com> + +--- +diff --git a/sllin/sllin.c b/sllin/sllin.c +index 92c52ad..904cff9 100644 +--- a/sllin/sllin.c ++++ b/sllin/sllin.c +@@ -1619,7 +1619,9 @@ 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(5,13,0) + .magic = TTY_LDISC_MAGIC, ++#endif + .name = "sllin", + .open = sllin_open, + .close = sllin_close, 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 new file mode 100644 index 000000000..bb0049f09 --- /dev/null +++ b/recipes-kernel/sllin/files/0006-Fix-build-with-5.14-kernel.patch @@ -0,0 +1,108 @@ +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); diff --git a/recipes-kernel/sllin/sllin.bb b/recipes-kernel/sllin/sllin.bb index 70d1a9311..a64b0f919 100644 --- a/recipes-kernel/sllin/sllin.bb +++ b/recipes-kernel/sllin/sllin.bb @@ -18,6 +18,8 @@ SRC_URI:append = " \ file://0003-Allow-recent-kernels-newer-4.11.x-to-build.patch;pnum=2 \ file://0001-Disable-sllin-driver-debug-log.patch;pnum=2 \ file://0004-Fix-build-with-5.9-kernel.patch;pnum=2 \ + file://0005-Fix-build-with-5.13-kernel.patch;pnum=2 \ + file://0006-Fix-build-with-5.14-kernel.patch;pnum=2 \ file://sllin-demo.service \ file://start_lin_demo.sh \ file://lin_config.conf \ |