A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration

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Pull mailbox updates from Jassi Brar:
 "Mainly we move from jiffy based timer to HRTIMER for finer control
  over polling.  Then a controller reduces its polling period from 10 to
  1ms"

* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: arm_mhu: reduce txpoll_period from 10ms to 1 ms
  mailbox: switch to hrtimer for tx_complete polling
  mailbox: Drop owner assignment from platform_driver
This commit is contained in:
Linus Torvalds 2015-09-05 18:11:04 -07:00
commit e3a98ac476
4 changed files with 20 additions and 17 deletions
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7
include/linux/mailbox_controller.h
View file

@ -9,7 +9,7 @@
#include <linux/of.h>
#include <linux/types.h>
#include <linux/timer.h>
#include <linux/hrtimer.h>
#include <linux/device.h>
#include <linux/completion.h>
@ -67,7 +67,8 @@ struct mbox_chan_ops {
* @txpoll_period: If 'txdone_poll' is in effect, the API polls for
* last TX's status after these many millisecs
* @of_xlate: Controller driver specific mapping of channel via DT
* @poll: API private. Used to poll for TXDONE on all channels.
* @poll_hrt: API private. hrtimer used to poll for TXDONE on all
* channels.
* @node: API private. To hook into list of controllers.
*/
struct mbox_controller {
@ -81,7 +82,7 @@ struct mbox_controller {
struct mbox_chan *(*of_xlate)(struct mbox_controller *mbox,
const struct of_phandle_args *sp);
/* Internal to API */
struct timer_list poll;
struct hrtimer poll_hrt;
struct list_head node;
};