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SubjectRemove CM206_BH

Hi David. My quest to kill Bottom Halves continues, and I've stumbled
into your driver. Can you test to see if this works, please?

--- linux-2.5.22/drivers/cdrom/cm206.c Mon Jun 17 04:49:04 2002
+++ linux-2.5.22-bh/drivers/cdrom/cm206.c Mon Jun 17 05:42:50 2002
@@ -345,6 +345,8 @@
}
}

+static struct tasklet_struct cm206_tasklet;
+
/* The interrupt handler. When the cm260 generates an interrupt, very
much care has to be taken in reading out the registers in the right
order; in case of a receive_buffer_full interrupt, first the
@@ -432,7 +434,7 @@
if (cd->background
&& (cd->adapter_last - cd->adapter_first == cd->max_sectors
|| cd->fifo_overflowed))
- mark_bh(CM206_BH); /* issue a stop read command */
+ tasklet_schedule(&cm206_tasklet); /* issue a stop read command */
stats(interrupt);
}

@@ -701,7 +703,7 @@
4 c_stop waits for receive_buffer_full: 0xff
*/

-void cm206_bh(void)
+static void cm206_tasklet_func(unsigned long ignore)
{
debug(("bh: %d\n", cd->background));
switch (cd->background) {
@@ -745,6 +747,8 @@
}
}

+static DECLARE_TASKLET(cm206_tasklet, cm206_tasklet_func, 0);
+
/* This command clears the dsb_possible_media_change flag, so we must
* retain it.
*/
@@ -1503,7 +1507,6 @@
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), do_cm206_request,
&cm206_lock);
blk_queue_hardsect_size(BLK_DEFAULT_QUEUE(MAJOR_NR), 2048);
- init_bh(CM206_BH, cm206_bh);

memset(cd, 0, sizeof(*cd)); /* give'm some reasonable value */
cd->sector_last = -1; /* flag no data buffered */
--
Revolutions do not require corporate support.
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