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myri10ge: make msi configurable at runtime through sysfs

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Now that IRQ are requested is called on open() and freed on close(),
we can safely switch from/to MSI without unloading the module.

We are guaranteed to correctly free IRQ even if the sysfs file got
written in the meantime since the MSI initialization is stored in
mgp->msi_enabled.

Signed-off-by: Brice Goglin <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Brice Goglin 2006-12-18 11:51:22 +01:00 • committed by Jeff Garzik
commit 3621cec5b5
1 changed files with 1 additions and 1 deletions
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drivers/net/myri10ge/myri10ge.c
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@ -228,7 +228,7 @@ module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets\n");
static int myri10ge_msi = 1; /* enable msi by default */
module_param(myri10ge_msi, int, S_IRUGO);
module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n");
static int myri10ge_intr_coal_delay = 25;