[PATCH 1/5] infiniband: bnxt_re: convert tasklets to use new tasklet_setup() API

[Allen Pais]

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.per...@gmail.com>
Signed-off-by: Allen Pais <allen.l...@gmail.com>
---
 drivers/infiniband/hw/bnxt_re/qplib_fp.c   |  7 +++----
 drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 13 ++++++-------
 2 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c 
b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 117b42349a28..62b01582aa1c 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -295,9 +295,9 @@ static void __wait_for_all_nqes(struct bnxt_qplib_cq *cq, 
u16 cnq_events)
        }
 }
 
-static void bnxt_qplib_service_nq(unsigned long data)
+static void bnxt_qplib_service_nq(struct tasklet_struct *t)
 {
-       struct bnxt_qplib_nq *nq = (struct bnxt_qplib_nq *)data;
+       struct bnxt_qplib_nq *nq = from_tasklet(nq, t, nq_tasklet);
        struct bnxt_qplib_hwq *hwq = &nq->hwq;
        int num_srqne_processed = 0;
        int num_cqne_processed = 0;
@@ -448,8 +448,7 @@ int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int 
nq_indx,
 
        nq->msix_vec = msix_vector;
        if (need_init)
-               tasklet_init(&nq->nq_tasklet, bnxt_qplib_service_nq,
-                            (unsigned long)nq);
+               tasklet_setup(&nq->nq_tasklet, bnxt_qplib_service_nq);
        else
                tasklet_enable(&nq->nq_tasklet);
 
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c 
b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 4e211162acee..7261be29fb09 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -50,7 +50,7 @@
 #include "qplib_sp.h"
 #include "qplib_fp.h"
 
-static void bnxt_qplib_service_creq(unsigned long data);
+static void bnxt_qplib_service_creq(struct tasklet_struct *t);
 
 /* Hardware communication channel */
 static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
@@ -79,7 +79,7 @@ static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 
cookie)
                goto done;
        do {
                mdelay(1); /* 1m sec */
-               bnxt_qplib_service_creq((unsigned long)rcfw);
+               bnxt_qplib_service_creq(&rcfw->creq.creq_tasklet);
        } while (test_bit(cbit, cmdq->cmdq_bitmap) && --count);
 done:
        return count ? 0 : -ETIMEDOUT;
@@ -369,10 +369,10 @@ static int bnxt_qplib_process_qp_event(struct 
bnxt_qplib_rcfw *rcfw,
 }
 
 /* SP - CREQ Completion handlers */
-static void bnxt_qplib_service_creq(unsigned long data)
+static void bnxt_qplib_service_creq(struct tasklet_struct *t)
 {
-       struct bnxt_qplib_rcfw *rcfw = (struct bnxt_qplib_rcfw *)data;
-       struct bnxt_qplib_creq_ctx *creq = &rcfw->creq;
+       struct bnxt_qplib_creq_ctx *creq = from_tasklet(creq, t, creq_tasklet);
+       struct bnxt_qplib_rcfw *rcfw = container_of(creq, typeof(*rcfw), creq);
        u32 type, budget = CREQ_ENTRY_POLL_BUDGET;
        struct bnxt_qplib_hwq *hwq = &creq->hwq;
        struct creq_base *creqe;
@@ -685,8 +685,7 @@ int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, 
int msix_vector,
 
        creq->msix_vec = msix_vector;
        if (need_init)
-               tasklet_init(&creq->creq_tasklet,
-                            bnxt_qplib_service_creq, (unsigned long)rcfw);
+               tasklet_setup(&creq->creq_tasklet, bnxt_qplib_service_creq);
        else
                tasklet_enable(&creq->creq_tasklet);
        rc = request_irq(creq->msix_vec, bnxt_qplib_creq_irq, 0,
-- 
2.17.1