[PATCH 2/5] infiniband: hfi1: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:29:30 EST


In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxx>
Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
---
drivers/infiniband/hw/hfi1/sdma.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 04575c9afd61..a307d4c8b15a 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -232,11 +232,11 @@ static const struct sdma_set_state_action sdma_action_table[] = {
static void sdma_complete(struct kref *);
static void sdma_finalput(struct sdma_state *);
static void sdma_get(struct sdma_state *);
-static void sdma_hw_clean_up_task(unsigned long);
+static void sdma_hw_clean_up_task(struct tasklet_struct *);
static void sdma_put(struct sdma_state *);
static void sdma_set_state(struct sdma_engine *, enum sdma_states);
static void sdma_start_hw_clean_up(struct sdma_engine *);
-static void sdma_sw_clean_up_task(unsigned long);
+static void sdma_sw_clean_up_task(struct tasklet_struct *);
static void sdma_sendctrl(struct sdma_engine *, unsigned);
static void init_sdma_regs(struct sdma_engine *, u32, uint);
static void sdma_process_event(
@@ -545,9 +545,10 @@ static void sdma_err_progress_check(struct timer_list *t)
schedule_work(&sde->err_halt_worker);
}

-static void sdma_hw_clean_up_task(unsigned long opaque)
+static void sdma_hw_clean_up_task(struct tasklet_struct *t)
{
- struct sdma_engine *sde = (struct sdma_engine *)opaque;
+ struct sdma_engine *sde = from_tasklet(sde, t,
+ sdma_hw_clean_up_task);
u64 statuscsr;

while (1) {
@@ -604,9 +605,9 @@ static void sdma_flush_descq(struct sdma_engine *sde)
sdma_desc_avail(sde, sdma_descq_freecnt(sde));
}

-static void sdma_sw_clean_up_task(unsigned long opaque)
+static void sdma_sw_clean_up_task(struct tasklet_struct *t)
{
- struct sdma_engine *sde = (struct sdma_engine *)opaque;
+ struct sdma_engine *sde = from_tasklet(sde, t, sdma_sw_clean_up_task);
unsigned long flags;

spin_lock_irqsave(&sde->tail_lock, flags);
@@ -1454,11 +1455,10 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
sde->tail_csr =
get_kctxt_csr_addr(dd, this_idx, SD(TAIL));

- tasklet_init(&sde->sdma_hw_clean_up_task, sdma_hw_clean_up_task,
- (unsigned long)sde);
-
- tasklet_init(&sde->sdma_sw_clean_up_task, sdma_sw_clean_up_task,
- (unsigned long)sde);
+ tasklet_setup(&sde->sdma_hw_clean_up_task,
+ sdma_hw_clean_up_task);
+ tasklet_setup(&sde->sdma_sw_clean_up_task,
+ sdma_sw_clean_up_task);
INIT_WORK(&sde->err_halt_worker, sdma_err_halt_wait);
INIT_WORK(&sde->flush_worker, sdma_field_flush);

--
2.17.1