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module_param: avoid bool abuse, add bint for special cases.

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For historical reasons, we allow module_param(bool) to take an int (or
an unsigned int).  That's going away.

A few drivers really want an int: they set it to -1 and a parameter
will set it to 0 or 1.  This sucks: reading them from sysfs will give
'Y' for both -1 and 1, but if we change it to an int, then the users
might be broken (if they did "param" instead of "param=1").

Use a new 'bint' parser for them.

(ntfs has a different problem: it needs an int for debug_msgs because
it's also exposed via sysctl.)

Cc: Steve Glendinning <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: Guenter Roeck <[email protected]>
Cc: Hoang-Nam Nguyen <[email protected]>
Cc: Christoph Raisch <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Sean Hefty <[email protected]>
Cc: Hal Rosenstock <[email protected]>
Cc: [email protected]
Cc: Anton Altaparmakov <[email protected]>
Cc: Jaroslav Kysela <[email protected]>
Cc: Takashi Iwai <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Acked-by: Takashi Iwai <[email protected]> (For the sound part)
Acked-by: Guenter Roeck <[email protected]> (For the hwmon driver)
Signed-off-by: Rusty Russell <[email protected]>
This commit is contained in:
Rusty Russell 2012-01-13 09:32:17 +10:30
commit 69116f279a
7 changed files with 36 additions and 6 deletions
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2
drivers/hwmon/emc2103.c
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@ -55,7 +55,7 @@ static const u8 REG_TEMP_MAX[4] = { 0x34, 0x30, 0x31, 0x32 };
* it. Default is to leave the device in the state it's already in (-1).
* This parameter allows APD mode to be optionally forced on or off */
static int apd = -1;
module_param(apd, bool, 0);
module_param(apd, bint, 0);
MODULE_PARM_DESC(init, "Set to zero to disable anti-parallel diode mode");
struct temperature {