WorkQueue: Fix up arch-specific work items where possible

Fix up arch-specific work items where possible to use the new work_struct and
delayed_work structs.

Three places that enqueue bits of their stack and then return have been marked
with #error as this is not permitted.

Signed-Off-By: David Howells <dhowells@redhat.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index f1b6f563673a..5ed41fe84e57 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -48,7 +48,8 @@ struct rackmeter_dma {
 } ____cacheline_aligned;
 
 struct rackmeter_cpu {
-        struct work_struct      sniffer;
+        struct delayed_work     sniffer;
+        struct rackmeter        *rm;
         cputime64_t             prev_wall;
         cputime64_t             prev_idle;
         int                     zero;
@@ -208,11 +209,12 @@ static void rackmeter_setup_dbdma(struct rackmeter *rm)
         rackmeter_do_pause(rm, 0);
 }
 
-static void rackmeter_do_timer(void *data)
+static void rackmeter_do_timer(struct work_struct *work)
 {
-        struct rackmeter *rm = data;
+        struct rackmeter_cpu *rcpu =
+                container_of(work, struct rackmeter_cpu, sniffer.work);
+        struct rackmeter *rm = rcpu->rm;
         unsigned int cpu = smp_processor_id();
-        struct rackmeter_cpu *rcpu = &rm->cpu[cpu];
         cputime64_t cur_jiffies, total_idle_ticks;
         unsigned int total_ticks, idle_ticks;
         int i, offset, load, cumm, pause;
@@ -263,8 +265,10 @@ static void __devinit rackmeter_init_cpu_sniffer(struct rackmeter *rm)
          * on those machines yet
          */
 
-        INIT_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer, rm);
-        INIT_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer, rm);
+        rm->cpu[0].rm = rm;
+        INIT_DELAYED_WORK(&rm->cpu[0].sniffer, rackmeter_do_timer);
+        rm->cpu[1].rm = rm;
+        INIT_DELAYED_WORK(&rm->cpu[1].sniffer, rackmeter_do_timer);
 
         for_each_online_cpu(cpu) {
                 struct rackmeter_cpu *rcpu;