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char: misc: increase DYNAMIC_MINORS value

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DYNAMIC_MINORS value has been set to 64.
Due to this reason, we are facing a module loading fail problem of
device driver like below.

 [   45.712771] pdic_misc_init - return error : -16

We need to increase this value for registering more misc devices.

Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Link: https://lore.kernel.org/r/20201029062855.19757-1-sangmoon.kim@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sangmoon Kim 2020-10-29 15:28:55 +09:00 • committed by Greg Kroah-Hartman
parent 48a3d90ada
commit c62b1f97e7
1 changed files with 1 additions and 1 deletions
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2
drivers/char/misc.c
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@ -60,7 +60,7 @@ static DEFINE_MUTEX(misc_mtx);
/*
* Assigned numbers, used for dynamic minors
*/
#define DYNAMIC_MINORS 64 /* like dynamic majors */
#define DYNAMIC_MINORS 128 /* like dynamic majors */
static DECLARE_BITMAP(misc_minors, DYNAMIC_MINORS);
#ifdef CONFIG_PROC_FS