From: Geoff Thorpe <geoff.tho...@freescale.com>
Add a self test for the DPAA 1.0 Buffer Manager driver. This
test ensures that the driver can properly acquire and release
buffers using the BMan portal infrastructure.
Signed-off-by: Geoff Thorpe <geoff.tho...@freescale.com>
Signed-off-by: Emil Medve <emilian.me...@freescale.com>
Signed-off-by: Roy Pledge <roy.ple...@freescale.com>
---
drivers/soc/fsl/qbman/Kconfig | 26 ++++
drivers/soc/fsl/qbman/Makefile | 4 +
drivers/soc/fsl/qbman/bman_test.c | 56 +++++++++
drivers/soc/fsl/qbman/bman_test.h | 34 +++++
drivers/soc/fsl/qbman/bman_test_api.c | 184 +++++++++++++++++++++++++++
drivers/soc/fsl/qbman/bman_test_thresh.c | 198 ++++++++++++++++++++++++++++++
drivers/soc/fsl/qbman/dpaa_sys.h | 1 +
7 files changed, 503 insertions(+)
create mode 100644 drivers/soc/fsl/qbman/bman_test.c
create mode 100644 drivers/soc/fsl/qbman/bman_test.h
create mode 100644 drivers/soc/fsl/qbman/bman_test_api.c
create mode 100644 drivers/soc/fsl/qbman/bman_test_thresh.c
diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig
index 1ff52a8..1f2063a 100644
--- a/drivers/soc/fsl/qbman/Kconfig
+++ b/drivers/soc/fsl/qbman/Kconfig
@@ -28,6 +28,32 @@ config FSL_BMAN_PORTAL
help
FSL BMan portal driver
+config FSL_BMAN_TEST
+ tristate "BMan self-tests"
+ default n
+ help
+ Compile self-test code
+
+config FSL_BMAN_TEST_API
+ bool "High-level API self-test"
+ depends on FSL_BMAN_TEST
+ default y
+ help
+ This requires the presence of cpu-affine portals, and performs
+ high-level API testing with them (whichever portal(s) are affine
+ to the cpu(s) the test executes on).
+
+config FSL_BMAN_TEST_THRESH
+ bool "Thresholds self-test"
+ depends on FSL_BMAN_TEST
+ default y
+ help
+ Multi-threaded (SMP) test of BMan pool depletion. A pool is seeded
+ before multiple threads (one per cpu) create pool objects to track
+ depletion state changes. The pool is then drained to empty by a
+ "drainer" thread, and the other threads that they observe exactly
+ the depletion state changes that are expected.
+
config FSL_QMAN
bool "QMan device management"
default n
diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile
index 0d96598..04509c3 100644
--- a/drivers/soc/fsl/qbman/Makefile
+++ b/drivers/soc/fsl/qbman/Makefile
@@ -5,6 +5,10 @@ obj-$(CONFIG_FSL_BMAN) += bman.o
obj-$(CONFIG_FSL_BMAN_PORTAL) += bman-portal.o
bman-portal-y = bman_portal.o bman_api.o
\
bman_utils.o
+obj-$(CONFIG_FSL_BMAN_TEST) += bman-test.o
+bman-test-y = bman_test.o
+bman-test-$(CONFIG_FSL_BMAN_TEST_API) += bman_test_api.o
+bman-test-$(CONFIG_FSL_BMAN_TEST_THRESH) += bman_test_thresh.o
obj-$(CONFIG_FSL_QMAN) += qman_api.o qman_utils.o
qman_driver.o
obj-$(CONFIG_FSL_QMAN_CONFIG) += qman.o qman_portal.o
diff --git a/drivers/soc/fsl/qbman/bman_test.c
b/drivers/soc/fsl/qbman/bman_test.c
new file mode 100644
index 0000000..9298093
--- /dev/null
+++ b/drivers/soc/fsl/qbman/bman_test.c
@@ -0,0 +1,56 @@
+/* Copyright 2008 - 2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bman_test.h"
+
+MODULE_AUTHOR("Geoff Thorpe");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("BMan testing");
+
+static int test_init(void)
+{
+#ifdef CONFIG_FSL_BMAN_TEST_API
+ int loop = 1;
+
+ while (loop--)
+ bman_test_api();
+#endif
+#ifdef CONFIG_FSL_BMAN_TEST_THRESH
+ bman_test_thresh();
+#endif
+ return 0;
+}
+
+static void test_exit(void)
+{
+}
+
+module_init(test_init);
+module_exit(test_exit);
diff --git a/drivers/soc/fsl/qbman/bman_test.h
b/drivers/soc/fsl/qbman/bman_test.h
new file mode 100644
index 0000000..9c51c38
--- /dev/null
+++ b/drivers/soc/fsl/qbman/bman_test.h
@@ -0,0 +1,34 @@
+/* Copyright 2008 - 2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bman_priv.h"
+
+void bman_test_api(void);
+void bman_test_thresh(void);
diff --git a/drivers/soc/fsl/qbman/bman_test_api.c
b/drivers/soc/fsl/qbman/bman_test_api.c
new file mode 100644
index 0000000..2f1bf74
--- /dev/null
+++ b/drivers/soc/fsl/qbman/bman_test_api.c
@@ -0,0 +1,184 @@
+/* Copyright 2008 - 2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bman_test.h"
+
+/*************/
+/* constants */
+/*************/
+
+#define PORTAL_OPAQUE ((void *)0xf00dbeef)
+#define POOL_OPAQUE ((void *)0xdeadabba)
+#define NUM_BUFS 93
+#define LOOPS 3
+#define BMAN_TOKEN_MASK 0x00FFFFFFFFFFLLU
+
+/***************/
+/* global vars */
+/***************/
+
+static struct bman_pool *pool;
+static int depleted;
+static struct bm_buffer bufs_in[NUM_BUFS] ____cacheline_aligned;
+static struct bm_buffer bufs_out[NUM_BUFS] ____cacheline_aligned;
+static int bufs_received;
+
+/* Predeclare the callback so we can instantiate pool parameters */
+static void depletion_cb(struct bman_portal *, struct bman_pool *, void *,
int);
+
+/**********************/
+/* internal functions */
+/**********************/
+
+static void bufs_init(void)
+{
+ int i;
+
+ for (i = 0; i < NUM_BUFS; i++)
+ bm_buffer_set64(&bufs_in[i], 0xfedc01234567LLU * i);
+ bufs_received = 0;
+}
+
+static inline int bufs_cmp(const struct bm_buffer *a, const struct bm_buffer
*b)
+{
+ if ((bman_ip_rev == BMAN_REV20) || (bman_ip_rev == BMAN_REV21)) {
+
+ /* On SoCs with BMan revison 2.0, BMan only respects the 40
+ * LS-bits of buffer addresses, masking off the upper 8-bits on
+ * release commands. The API provides for 48-bit addresses
+ * because some SoCs support all 48-bits. When generating
+ * garbage addresses for testing, we either need to zero the
+ * upper 8-bits when releasing to BMan (otherwise we'll be
+ * disappointed when the buffers we acquire back from BMan
+ * don't match), or we need to mask the upper 8-bits off when
+ * comparing. We do the latter.
+ */
+ if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK)
+ < (bm_buffer_get64(b) & BMAN_TOKEN_MASK))
+ return -1;
+ if ((bm_buffer_get64(a) & BMAN_TOKEN_MASK)
+ > (bm_buffer_get64(b) & BMAN_TOKEN_MASK))
+ return 1;
+ } else {
+ if (bm_buffer_get64(a) < bm_buffer_get64(b))
+ return -1;
+ if (bm_buffer_get64(a) > bm_buffer_get64(b))
+ return 1;
+ }
+
+ return 0;
+}
+
+static void bufs_confirm(void)
+{
+ int i, j;
+
+ for (i = 0; i < NUM_BUFS; i++) {
+ int matches = 0;
+
+ for (j = 0; j < NUM_BUFS; j++)
+ if (!bufs_cmp(&bufs_in[i], &bufs_out[j]))
+ matches++;
+ BUG_ON(matches != 1);
+ }
+}
+
+/********/
+/* test */
+/********/
+
+static void depletion_cb(struct bman_portal *__portal, struct bman_pool
*__pool,
+ void *pool_ctx, int __depleted)
+{
+ BUG_ON(__pool != pool);
+ BUG_ON(pool_ctx != POOL_OPAQUE);
+ depleted = __depleted;
+}
+
+void bman_test_api(void)
+{
+ struct bman_pool_params pparams = {
+ .flags = BMAN_POOL_FLAG_DEPLETION | BMAN_POOL_FLAG_DYNAMIC_BPID,
+ .cb = depletion_cb,
+ .cb_ctx = POOL_OPAQUE,
+ };
+ int i, loops = LOOPS;
+
+ bufs_init();
+
+ pr_info(" --- Starting high-level test ---\n");
+
+ pool = bman_new_pool(&pparams);
+ BUG_ON(!pool);
+
+ /*******************/
+ /* Release buffers */
+ /*******************/
+do_loop:
+ i = 0;
+ while (i < NUM_BUFS) {
+ u32 flags = BMAN_RELEASE_FLAG_WAIT;
+ int num = 8;
+
+ if ((i + num) > NUM_BUFS)
+ num = NUM_BUFS - i;
+ if ((i + num) == NUM_BUFS)
+ flags |= BMAN_RELEASE_FLAG_WAIT_SYNC;
+ if (bman_release(pool, bufs_in + i, num, flags))
+ panic("bman_release() failed\n");
+ i += num;
+ }
+
+ /*******************/
+ /* Acquire buffers */
+ /*******************/
+ while (i > 0) {
+ int tmp, num = 8;
+
+ if (num > i)
+ num = i;
+ tmp = bman_acquire(pool, bufs_out + i - num, num, 0);
+ BUG_ON(tmp != num);
+ i -= num;
+ }
+ i = bman_acquire(pool, NULL, 1, 0);
+ BUG_ON(i > 0);
+
+ bufs_confirm();
+
+ if (--loops)
+ goto do_loop;
+
+ /************/
+ /* Clean up */
+ /************/
+ bman_free_pool(pool);
+ pr_info(" --- Finished high-level test ---\n");
+}
diff --git a/drivers/soc/fsl/qbman/bman_test_thresh.c
b/drivers/soc/fsl/qbman/bman_test_thresh.c
new file mode 100644
index 0000000..41372a1
--- /dev/null
+++ b/drivers/soc/fsl/qbman/bman_test_thresh.c
@@ -0,0 +1,198 @@
+/* Copyright 2010 - 2015 Freescale Semiconductor, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "bman_test.h"
+
+/* Test constants */
+#define TEST_NUMBUFS 129728
+#define TEST_EXIT 129536
+#define TEST_ENTRY 129024
+
+struct affine_test_data {
+ struct task_struct *t;
+ int cpu;
+ int expect_affinity;
+ int drain;
+ int num_enter;
+ int num_exit;
+ struct list_head node;
+ struct completion wakethread;
+ struct completion wakeparent;
+};
+
+static void cb_depletion(struct bman_portal *portal,
+ struct bman_pool *pool,
+ void *opaque,
+ int depleted)
+{
+ struct affine_test_data *data = opaque;
+ int c = smp_processor_id();
+
+ pr_info("%s(): bpid=%d, depleted=%d, cpu=%d, original=%d\n", __func__,
+ bman_get_params(pool)->bpid, !!depleted, c, data->cpu);
+ /* We should be executing on the CPU of the thread that owns the pool if
+ * and that CPU has an affine portal (ie. it isn't slaved). */
+ BUG_ON((c != data->cpu) && data->expect_affinity);
+ BUG_ON((c == data->cpu) && !data->expect_affinity);
+ if (depleted)
+ data->num_enter++;
+ else
+ data->num_exit++;
+}
+
+/* Params used to set up a pool, this also dynamically allocates a BPID */
+static const struct bman_pool_params params_nocb = {
+ .flags = BMAN_POOL_FLAG_DYNAMIC_BPID | BMAN_POOL_FLAG_THRESH,
+ .thresholds = { TEST_ENTRY, TEST_EXIT, 0, 0 }
+};
+
+/* Params used to set up each cpu's pool with callbacks enabled */
+static struct bman_pool_params params_cb = {
+ .bpid = 0, /* will be replaced to match pool_nocb */
+ .flags = BMAN_POOL_FLAG_DEPLETION,
+ .cb = cb_depletion
+};
+
+static struct bman_pool *pool_nocb;
+static LIST_HEAD(threads);
+
+static int affine_test(void *__data)
+{
+ struct bman_pool *pool;
+ struct affine_test_data *data = __data;
+ struct bman_pool_params my_params = params_cb;
+
+ pr_info("Thread %d: starting\n", data->cpu);
+ /* create the pool */
+ my_params.cb_ctx = data;
+ pool = bman_new_pool(&my_params);
+ BUG_ON(!pool);
+ complete(&data->wakeparent);
+ wait_for_completion(&data->wakethread);
+ init_completion(&data->wakethread);
+
+ /* if we're the drainer, we get signalled for that */
+ if (data->drain) {
+ struct bm_buffer buf;
+ int ret;
+
+ pr_info("Thread %d: draining...\n", data->cpu);
+ do {
+ ret = bman_acquire(pool, &buf, 1, 0);
+ } while (ret > 0);
+ pr_info("Thread %d: draining done.\n", data->cpu);
+ complete(&data->wakeparent);
+ wait_for_completion(&data->wakethread);
+ init_completion(&data->wakethread);
+ }
+
+ /* cleanup */
+ bman_free_pool(pool);
+ while (!kthread_should_stop())
+ cpu_relax();
+ pr_info("Thread %d: exiting\n", data->cpu);
+ return 0;
+}
+
+static struct affine_test_data *start_affine_test(int cpu, int drain)
+{
+ struct affine_test_data *data = kmalloc(sizeof(*data), GFP_KERNEL);
+
+ if (!data)
+ return NULL;
+ data->cpu = cpu;
+ data->expect_affinity = cpumask_test_cpu(cpu, bman_affine_cpus());
+ data->drain = drain;
+ data->num_enter = 0;
+ data->num_exit = 0;
+ init_completion(&data->wakethread);
+ init_completion(&data->wakeparent);
+ list_add_tail(&data->node, &threads);
+ data->t = kthread_create(affine_test, data, "threshtest%d", cpu);
+ BUG_ON(IS_ERR(data->t));
+ kthread_bind(data->t, cpu);
+ wake_up_process(data->t);
+ return data;
+}
+
+void bman_test_thresh(void)
+{
+ int loop = TEST_NUMBUFS;
+ int ret, num_cpus = 0;
+ struct affine_test_data *data, *drainer = NULL;
+
+ pr_info("%s(): Start\n", __func__);
+
+ /* allocate a BPID and seed it */
+ pool_nocb = bman_new_pool(¶ms_nocb);
+ BUG_ON(!pool_nocb);
+ while (loop--) {
+ struct bm_buffer buf;
+
+ bm_buffer_set64(&buf, 0x0badbeef + loop);
+ ret = bman_release(pool_nocb, &buf, 1,
+ BMAN_RELEASE_FLAG_WAIT);
+ BUG_ON(ret);
+ }
+ while (!bman_rcr_is_empty())
+ cpu_relax();
+ pr_info("%s(): Buffers are in\n", __func__);
+
+ /* create threads and wait for them to create pools */
+ params_cb.bpid = bman_get_params(pool_nocb)->bpid;
+ for_each_cpu(loop, cpu_online_mask) {
+ data = start_affine_test(loop, drainer ? 0 : 1);
+ BUG_ON(!data);
+ if (!drainer)
+ drainer = data;
+ num_cpus++;
+ wait_for_completion(&data->wakeparent);
+ }
+
+ /* signal the drainer to start draining */
+ complete(&drainer->wakethread);
+ wait_for_completion(&drainer->wakeparent);
+ init_completion(&drainer->wakeparent);
+
+ /* tear down */
+ list_for_each_entry_safe(data, drainer, &threads, node) {
+ complete(&data->wakethread);
+ ret = kthread_stop(data->t);
+ BUG_ON(ret);
+ list_del(&data->node);
+ /* check that we get the expected callbacks (and no others) */
+ BUG_ON(data->num_enter != 1);
+ BUG_ON(data->num_exit != 0);
+ kfree(data);
+ }
+ bman_free_pool(pool_nocb);
+
+ pr_info("%s(): Done\n", __func__);
+}
diff --git a/drivers/soc/fsl/qbman/dpaa_sys.h b/drivers/soc/fsl/qbman/dpaa_sys.h
index d3d6fc4..cef9095 100644
--- a/drivers/soc/fsl/qbman/dpaa_sys.h
+++ b/drivers/soc/fsl/qbman/dpaa_sys.h
@@ -37,6 +37,7 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_reserved_mem.h>
+#include <linux/kthread.h>
#include <linux/platform_device.h>
#include <linux/ctype.h>
--
1.7.9.5
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