ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 20:51:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

thunderbolt: Use spinlock in ring serialization

Browse Source 
This makes it possible to enqueue frames also from atomic context which
is needed for example, when networking packets are sent over a
Thunderbolt cable.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Michael Jamet <michael.jamet@intel.com>
Reviewed-by: Yehezkel Bernat <yehezkel.bernat@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mika Westerberg
2017-10-02 13:38:39 +03:00
committed by David S. Miller
parent 2a91ec63f8
commit 22b7de1000
2 changed files with 15 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/thunderbolt.h
View File

@@ -448,7 +448,7 @@ struct tb_nhi {
* @eof_mask: Bit mask used to detect end of frame PDF
*/
struct tb_ring {
struct mutex lock;
spinlock_t lock;
struct tb_nhi *nhi;
int size;
int hop;