AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ohci1394: make phys_dma parameter read-only

Browse Source 
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: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
This commit is contained in:
Ben Collins 2006-06-12 18:13:42 -04:00
parent 4611ed3803
commit fa9b73997c
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ieee1394/ohci1394.c
View File

@ -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);