A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

pcmcia: simplify locking

Browse source 
replace pcmcia_socket->lock and pcmcia_dev_list_lock by using the
per-socket "ops_mutex", as we do neither need different locks
nor a spinlock here.

Tested-by: Wolfram Sang <[email protected]>
Signed-off-by: Dominik Brodowski <[email protected]>
This commit is contained in:
Dominik Brodowski 2010-01-16 09:14:11 +01:00
commit 00ce99ff50
7 changed files with 51 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/pcmcia/ss.h
View file

@ -134,7 +134,6 @@ struct pccard_operations {
struct pcmcia_socket {
struct module *owner;
spinlock_t lock;
socket_state_t socket;
u_int state;
u_int suspended_state; /* state before suspend */
@ -201,10 +200,12 @@ struct pcmcia_socket {
struct task_struct *thread;
struct completion thread_done;
unsigned int thread_events;
/* protects socket h/w state */
/* For the non-trivial interaction between these locks,
* see Documentation/pcmcia/locking.txt */
struct mutex skt_mutex;
/* protects PCMCIA state */
struct mutex ops_mutex;
/* protects thread_events */
spinlock_t thread_lock;