diff options
Diffstat (limited to 'gnu/packages/patches/linux-libre-pinebook-pro-03-tty-serdev-support-shutdown-op.patch')
| -rw-r--r-- | gnu/packages/patches/linux-libre-pinebook-pro-03-tty-serdev-support-shutdown-op.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/packages/patches/linux-libre-pinebook-pro-03-tty-serdev-support-shutdown-op.patch b/gnu/packages/patches/linux-libre-pinebook-pro-03-tty-serdev-support-shutdown-op.patch new file mode 100644 index 0000000000..48591d444a --- /dev/null +++ b/gnu/packages/patches/linux-libre-pinebook-pro-03-tty-serdev-support-shutdown-op.patch @@ -0,0 +1,55 @@ +From 336bc343e754aa1b30c877eec59b3fa1e905aa1e Mon Sep 17 00:00:00 2001 +From: Tobias Schramm <t.schramm@manjaro.org> +Date: Thu, 28 May 2020 14:12:56 +0200 +Subject: [PATCH 03/22] tty: serdev: support shutdown op + +Allow serdev drivers to register a shutdown handler + +Signed-off-by: Tobias Schramm <t.schramm@manjaro.org> +--- + drivers/tty/serdev/core.c | 11 +++++++++++ + include/linux/serdev.h | 1 + + 2 files changed, 12 insertions(+) + +diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c +index c5f0d936b003..37e45c356540 100644 +--- a/drivers/tty/serdev/core.c ++++ b/drivers/tty/serdev/core.c +@@ -432,11 +432,22 @@ static int serdev_drv_remove(struct device *dev) + return 0; + } + ++static void serdev_drv_shutdown(struct device *dev) ++{ ++ const struct serdev_device_driver *sdrv; ++ if (dev->driver) { ++ sdrv = to_serdev_device_driver(dev->driver); ++ if (sdrv->shutdown) ++ sdrv->shutdown(to_serdev_device(dev)); ++ } ++} ++ + static struct bus_type serdev_bus_type = { + .name = "serial", + .match = serdev_device_match, + .probe = serdev_drv_probe, + .remove = serdev_drv_remove, ++ .shutdown = serdev_drv_shutdown, + }; + + /** +diff --git a/include/linux/serdev.h b/include/linux/serdev.h +index 9f14f9c12ec4..94050561325c 100644 +--- a/include/linux/serdev.h ++++ b/include/linux/serdev.h +@@ -63,6 +63,7 @@ struct serdev_device_driver { + struct device_driver driver; + int (*probe)(struct serdev_device *); + void (*remove)(struct serdev_device *); ++ void (*shutdown)(struct serdev_device *); + }; + + static inline struct serdev_device_driver *to_serdev_device_driver(struct device_driver *d) +-- +2.30.0 + |