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Commit fa9b7399 authored by Ben Collins's avatar Ben Collins
Browse files

ohci1394: make phys_dma parameter read-only 



Being able to switch physical DMA on and off at run time would be a nice
feature but a PITA to support by highlevel drivers and userspace apps.
Therefore allow it only to be set when the driver is being loaded.

Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: default avatarBen Collins <bcollins@ubuntu.com>
parent 4611ed38

drivers/ieee1394/ohci1394.c

+1 −1
Original line number Diff line number Diff line
@@ -163,7 +163,7 @@ printk(level "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->id , 


/* Module Parameters */

static int phys_dma = 1;

module_param(phys_dma, int, 0644);

module_param(phys_dma, int, 0444);

MODULE_PARM_DESC(phys_dma, "Enable physical dma (default = 1).");



static void dma_trm_tasklet(unsigned long data);