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path: root/drivers/misc/bcm-vk/bcm_vk_msg.c
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Diffstat (limited to 'drivers/misc/bcm-vk/bcm_vk_msg.c')
-rw-r--r--drivers/misc/bcm-vk/bcm_vk_msg.c45
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c
index 066b9ef7fcd7..1f42d1d5a630 100644
--- a/drivers/misc/bcm-vk/bcm_vk_msg.c
+++ b/drivers/misc/bcm-vk/bcm_vk_msg.c
@@ -137,11 +137,11 @@ void bcm_vk_set_host_alert(struct bcm_vk *vk, u32 bit_mask)
#define BCM_VK_HB_TIMER_VALUE (BCM_VK_HB_TIMER_S * HZ)
#define BCM_VK_HB_LOST_MAX (27 / BCM_VK_HB_TIMER_S)
-static void bcm_vk_hb_poll(struct timer_list *t)
+static void bcm_vk_hb_poll(struct work_struct *work)
{
u32 uptime_s;
- struct bcm_vk_hb_ctrl *hb = container_of(t, struct bcm_vk_hb_ctrl,
- timer);
+ struct bcm_vk_hb_ctrl *hb = container_of(to_delayed_work(work), struct bcm_vk_hb_ctrl,
+ work);
struct bcm_vk *vk = container_of(hb, struct bcm_vk, hb_ctrl);
if (bcm_vk_drv_access_ok(vk) && hb_mon_is_on()) {
@@ -177,22 +177,22 @@ static void bcm_vk_hb_poll(struct timer_list *t)
bcm_vk_set_host_alert(vk, ERR_LOG_HOST_HB_FAIL);
}
/* re-arm timer */
- mod_timer(&hb->timer, jiffies + BCM_VK_HB_TIMER_VALUE);
+ schedule_delayed_work(&hb->work, BCM_VK_HB_TIMER_VALUE);
}
void bcm_vk_hb_init(struct bcm_vk *vk)
{
struct bcm_vk_hb_ctrl *hb = &vk->hb_ctrl;
- timer_setup(&hb->timer, bcm_vk_hb_poll, 0);
- mod_timer(&hb->timer, jiffies + BCM_VK_HB_TIMER_VALUE);
+ INIT_DELAYED_WORK(&hb->work, bcm_vk_hb_poll);
+ schedule_delayed_work(&hb->work, BCM_VK_HB_TIMER_VALUE);
}
void bcm_vk_hb_deinit(struct bcm_vk *vk)
{
struct bcm_vk_hb_ctrl *hb = &vk->hb_ctrl;
- del_timer(&hb->timer);
+ cancel_delayed_work_sync(&hb->work);
}
static void bcm_vk_msgid_bitmap_clear(struct bcm_vk *vk,
@@ -703,12 +703,12 @@ int bcm_vk_send_shutdown_msg(struct bcm_vk *vk, u32 shut_type,
entry = kzalloc(struct_size(entry, to_v_msg, 1), GFP_KERNEL);
if (!entry)
return -ENOMEM;
+ entry->to_v_blks = 1; /* always 1 block */
/* fill up necessary data */
entry->to_v_msg[0].function_id = VK_FID_SHUTDOWN;
set_q_num(&entry->to_v_msg[0], q_num);
set_msg_id(&entry->to_v_msg[0], VK_SIMPLEX_MSG_ID);
- entry->to_v_blks = 1; /* always 1 block */
entry->to_v_msg[0].cmd = shut_type;
entry->to_v_msg[0].arg = pid;
@@ -757,20 +757,19 @@ static struct bcm_vk_wkent *bcm_vk_dequeue_pending(struct bcm_vk *vk,
u16 q_num,
u16 msg_id)
{
- bool found = false;
- struct bcm_vk_wkent *entry;
+ struct bcm_vk_wkent *entry = NULL, *iter;
spin_lock(&chan->pendq_lock);
- list_for_each_entry(entry, &chan->pendq[q_num], node) {
- if (get_msg_id(&entry->to_v_msg[0]) == msg_id) {
- list_del(&entry->node);
- found = true;
+ list_for_each_entry(iter, &chan->pendq[q_num], node) {
+ if (get_msg_id(&iter->to_v_msg[0]) == msg_id) {
+ list_del(&iter->node);
+ entry = iter;
bcm_vk_msgid_bitmap_clear(vk, msg_id, 1);
break;
}
}
spin_unlock(&chan->pendq_lock);
- return ((found) ? entry : NULL);
+ return entry;
}
s32 bcm_to_h_msg_dequeue(struct bcm_vk *vk)
@@ -1010,16 +1009,14 @@ ssize_t bcm_vk_read(struct file *p_file,
miscdev);
struct device *dev = &vk->pdev->dev;
struct bcm_vk_msg_chan *chan = &vk->to_h_msg_chan;
- struct bcm_vk_wkent *entry = NULL;
+ struct bcm_vk_wkent *entry = NULL, *iter;
u32 q_num;
u32 rsp_length;
- bool found = false;
if (!bcm_vk_drv_access_ok(vk))
return -EPERM;
dev_dbg(dev, "Buf count %zu\n", count);
- found = false;
/*
* search through the pendq on the to_h chan, and return only those
@@ -1028,13 +1025,13 @@ ssize_t bcm_vk_read(struct file *p_file,
*/
spin_lock(&chan->pendq_lock);
for (q_num = 0; q_num < chan->q_nr; q_num++) {
- list_for_each_entry(entry, &chan->pendq[q_num], node) {
- if (entry->ctx->idx == ctx->idx) {
+ list_for_each_entry(iter, &chan->pendq[q_num], node) {
+ if (iter->ctx->idx == ctx->idx) {
if (count >=
- (entry->to_h_blks * VK_MSGQ_BLK_SIZE)) {
- list_del(&entry->node);
+ (iter->to_h_blks * VK_MSGQ_BLK_SIZE)) {
+ list_del(&iter->node);
atomic_dec(&ctx->pend_cnt);
- found = true;
+ entry = iter;
} else {
/* buffer not big enough */
rc = -EMSGSIZE;
@@ -1046,7 +1043,7 @@ ssize_t bcm_vk_read(struct file *p_file,
read_loop_exit:
spin_unlock(&chan->pendq_lock);
- if (found) {
+ if (entry) {
/* retrieve the passed down msg_id */
set_msg_id(&entry->to_h_msg[0], entry->usr_msg_id);
rsp_length = entry->to_h_blks * VK_MSGQ_BLK_SIZE;