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From:   Allen Pais <allen.lkml@gmail.com>
To:     nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com,
        ludovic.desroches@microchip.com, heiko@sntech.de,
        matthias.bgg@gmail.com
Cc:     keescook@chromium.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org,
        inux-mediatek@lists.infradead.org,
        Allen Pais <allen.lkml@gmail.com>,
        Romain Perier <romain.perier@gmail.com>
Subject: [PATCH 14/19] crypto: qat: convert tasklets to use new tasklet_setup() API
Date:   Mon, 17 Aug 2020 13:39:36 +0530
Message-Id: <20200817080941.19227-15-allen.lkml@gmail.com>
In-Reply-To: <20200817080941.19227-1-allen.lkml@gmail.com>
References: <20200817080941.19227-1-allen.lkml@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
---
 drivers/crypto/qat/qat_common/adf_isr.c               |  5 ++---
 drivers/crypto/qat/qat_common/adf_sriov.c             | 10 +++++-----
 drivers/crypto/qat/qat_common/adf_transport.c         |  4 ++--
 .../crypto/qat/qat_common/adf_transport_internal.h    |  2 +-
 drivers/crypto/qat/qat_common/adf_vf_isr.c            | 11 +++++------
 5 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c
index 36136f7db509..2c725c01ee4f 100644
--- a/drivers/crypto/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_isr.c
@@ -239,9 +239,8 @@ static int adf_setup_bh(struct adf_accel_dev *accel_dev)
 	int i;
 
 	for (i = 0; i < hw_data->num_banks; i++)
-		tasklet_init(&priv_data->banks[i].resp_handler,
-			     adf_response_handler,
-			     (unsigned long)&priv_data->banks[i]);
+		tasklet_setup(&priv_data->banks[i].resp_handler,
+			     adf_response_handler);
 	return 0;
 }
 
diff --git a/drivers/crypto/qat/qat_common/adf_sriov.c b/drivers/crypto/qat/qat_common/adf_sriov.c
index 8827aa139f96..7a2bdddb67c4 100644
--- a/drivers/crypto/qat/qat_common/adf_sriov.c
+++ b/drivers/crypto/qat/qat_common/adf_sriov.c
@@ -49,9 +49,10 @@ static void adf_iov_send_resp(struct work_struct *work)
 	kfree(pf2vf_resp);
 }
 
-static void adf_vf2pf_bh_handler(void *data)
+static void adf_vf2pf_bh_handler(struct tasklet_struct *t)
 {
-	struct adf_accel_vf_info *vf_info = (struct adf_accel_vf_info *)data;
+	struct adf_accel_vf_info *vf_info =
+				 from_tasklet(vf_info, t, vf2pf_bh_tasklet);
 	struct adf_pf2vf_resp *pf2vf_resp;
 
 	pf2vf_resp = kzalloc(sizeof(*pf2vf_resp), GFP_ATOMIC);
@@ -81,9 +82,8 @@ static int adf_enable_sriov(struct adf_accel_dev *accel_dev)
 		vf_info->accel_dev = accel_dev;
 		vf_info->vf_nr = i;
 
-		tasklet_init(&vf_info->vf2pf_bh_tasklet,
-			     (void *)adf_vf2pf_bh_handler,
-			     (unsigned long)vf_info);
+		tasklet_setup(&vf_info->vf2pf_bh_tasklet,
+			     adf_vf2pf_bh_handler);
 		mutex_init(&vf_info->pf2vf_lock);
 		ratelimit_state_init(&vf_info->vf2pf_ratelimit,
 				     DEFAULT_RATELIMIT_INTERVAL,
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c
index 2ad774017200..60982c67b466 100644
--- a/drivers/crypto/qat/qat_common/adf_transport.c
+++ b/drivers/crypto/qat/qat_common/adf_transport.c
@@ -297,9 +297,9 @@ static void adf_ring_response_handler(struct adf_etr_bank_data *bank)
 	}
 }
 
-void adf_response_handler(uintptr_t bank_addr)
+void adf_response_handler(struct tasklet_struct *t)
 {
-	struct adf_etr_bank_data *bank = (void *)bank_addr;
+	struct adf_etr_bank_data *bank = from_tasklet(bank, t, resp_handler);
 
 	/* Handle all the responses and reenable IRQs */
 	adf_ring_response_handler(bank);
diff --git a/drivers/crypto/qat/qat_common/adf_transport_internal.h b/drivers/crypto/qat/qat_common/adf_transport_internal.h
index c7faf4e2d302..ff891f5bc783 100644
--- a/drivers/crypto/qat/qat_common/adf_transport_internal.h
+++ b/drivers/crypto/qat/qat_common/adf_transport_internal.h
@@ -46,7 +46,7 @@ struct adf_etr_data {
 	struct dentry *debug;
 };
 
-void adf_response_handler(uintptr_t bank_addr);
+void adf_response_handler(struct tasklet_struct *t);
 #ifdef CONFIG_DEBUG_FS
 #include <linux/debugfs.h>
 int adf_bank_debugfs_add(struct adf_etr_bank_data *bank);
diff --git a/drivers/crypto/qat/qat_common/adf_vf_isr.c b/drivers/crypto/qat/qat_common/adf_vf_isr.c
index c4a44dc6af3e..79c0d51ea263 100644
--- a/drivers/crypto/qat/qat_common/adf_vf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_vf_isr.c
@@ -68,9 +68,10 @@ static void adf_dev_stop_async(struct work_struct *work)
 	kfree(stop_data);
 }
 
-static void adf_pf2vf_bh_handler(void *data)
+static void adf_pf2vf_bh_handler(struct tasklet_struct *t)
 {
-	struct adf_accel_dev *accel_dev = data;
+	struct adf_accel_dev *accel_dev = from_tasklet(accel_dev, t,
+						       vf.pf2vf_bh_tasklet);
 	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
 	struct adf_bar *pmisc =
 			&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
@@ -138,8 +139,7 @@ static void adf_pf2vf_bh_handler(void *data)
 
 static int adf_setup_pf2vf_bh(struct adf_accel_dev *accel_dev)
 {
-	tasklet_init(&accel_dev->vf.pf2vf_bh_tasklet,
-		     (void *)adf_pf2vf_bh_handler, (unsigned long)accel_dev);
+	tasklet_setup(&accel_dev->vf.pf2vf_bh_tasklet, adf_pf2vf_bh_handler);
 
 	mutex_init(&accel_dev->vf.vf2pf_lock);
 	return 0;
@@ -215,8 +215,7 @@ static int adf_setup_bh(struct adf_accel_dev *accel_dev)
 {
 	struct adf_etr_data *priv_data = accel_dev->transport;
 
-	tasklet_init(&priv_data->banks[0].resp_handler, adf_response_handler,
-		     (unsigned long)priv_data->banks);
+	tasklet_setup(&priv_data->banks[0].resp_handler, adf_response_handler);
 	return 0;
 }
 
-- 
2.17.1