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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-02 20:58:50 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-03 22:43:07 +0300 |
| commit | 862d8312eed994a8a9af7aa8e9e15456183b10a7 (patch) | |
| tree | 5f5539fe15f5f1009b9d6086f0adcecb6b6df478 /include/linux/tty.h | |
| parent | 2243acd50ac4026e93ac4f024109be6dbd7f9098 (diff) | |
| download | linux-862d8312eed994a8a9af7aa8e9e15456183b10a7.tar.xz | |
tty: make tty_class a static const structure
Now that the driver core allows for struct class to be in read-only
memory, move the tty_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/2023040250-landowner-unfitted-11f4@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 093935e97f42..121eb4b0d325 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -387,7 +387,7 @@ extern struct ktermios tty_std_termios; int vcs_init(void); -extern struct class *tty_class; +extern const struct class tty_class; /** * tty_kref_get - get a tty reference |