Re: Writing modules for 2.5
Dave Jones (davej@codemonkey.org.uk)
Tue, 15 Apr 2003 14:24:58 +0100
On Tue, Apr 15, 2003 at 01:57:58PM +0100, Russell King wrote:
 > On Tue, Apr 15, 2003 at 02:39:14PM +0200, M?ns Rullg?rd wrote:
 > > My situation is like this: I am converting a char device driver to
 > > work with linux 2.5.  In the open and close functions there are
 > > MOD_INC/DEC_USECOUNT calls.  The question is what they should be
 > > replaced with.  Will it be handled correctly without them?
 > 
 > If it's a character device driver using the struct file_operations,
 > set the owner field as Alan mentioned, and remove the
 > MOD_{INC,DEC}_USE_COUNT macros from the open/close methods.  This
 > allows chrdev_open() (in fs/char_dev.c) to increment your module use
 > count automatically.
Unless the open/close functions are doing funky things (like the
watchdog drivers do).
		Dave
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