2020-10-31 09:09:30

by Weili Qian

[permalink] [raw]
Subject: [PATCH 3/8] crypto: hisilicon/qm - modify the return type of debugfs interface

Since 'qm_create_debugfs_file' always returns 0, change it as 'void'.

Signed-off-by: Weili Qian <[email protected]>
Reviewed-by: Zhou Wang <[email protected]>
---
drivers/crypto/hisilicon/hpre/hpre_main.c | 4 +---
drivers/crypto/hisilicon/qm.c | 19 ++++---------------
drivers/crypto/hisilicon/qm.h | 2 +-
drivers/crypto/hisilicon/sec2/sec_main.c | 4 +---
drivers/crypto/hisilicon/zip/zip_main.c | 4 +---
5 files changed, 8 insertions(+), 25 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index a33394d..e5c9919 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -705,9 +705,7 @@ static int hpre_debugfs_init(struct hisi_qm *qm)

qm->debug.sqe_mask_offset = HPRE_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = HPRE_SQE_MASK_LEN;
- ret = hisi_qm_debug_init(qm);
- if (ret)
- goto failed_to_create;
+ hisi_qm_debug_init(qm);

if (qm->pdev->device == HPRE_PCI_DEVICE_ID) {
ret = hpre_ctrl_debug_init(qm);
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index d5d06ae..627479f 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -1520,7 +1520,7 @@ static const struct file_operations qm_cmd_fops = {
.write = qm_cmd_write,
};

-static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
+static void qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
{
struct dentry *qm_d = qm->debug.qm_d;
struct debugfs_file *file = qm->debug.files + index;
@@ -1531,8 +1531,6 @@ static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
file->index = index;
mutex_init(&file->lock);
file->debug = &qm->debug;
-
- return 0;
}

static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe)
@@ -2824,12 +2822,12 @@ DEFINE_DEBUGFS_ATTRIBUTE(qm_atomic64_ops, qm_debugfs_atomic64_get,
*
* Create qm related debugfs files.
*/
-int hisi_qm_debug_init(struct hisi_qm *qm)
+void hisi_qm_debug_init(struct hisi_qm *qm)
{
struct qm_dfx *dfx = &qm->debug.dfx;
struct dentry *qm_d;
void *data;
- int i, ret;
+ int i;

qm_d = debugfs_create_dir("qm", qm->debug.debug_root);
qm->debug.qm_d = qm_d;
@@ -2837,10 +2835,7 @@ int hisi_qm_debug_init(struct hisi_qm *qm)
/* only show this in PF */
if (qm->fun_type == QM_HW_PF)
for (i = CURRENT_Q; i < DEBUG_FILE_NUM; i++)
- if (qm_create_debugfs_file(qm, i)) {
- ret = -ENOENT;
- goto failed_to_create;
- }
+ qm_create_debugfs_file(qm, i);

debugfs_create_file("regs", 0444, qm->debug.qm_d, qm, &qm_regs_fops);

@@ -2856,12 +2851,6 @@ int hisi_qm_debug_init(struct hisi_qm *qm)
data,
&qm_atomic64_ops);
}
-
- return 0;
-
-failed_to_create:
- debugfs_remove_recursive(qm_d);
- return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_debug_init);

diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index 0420f4c..8624d12 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -350,7 +350,7 @@ void hisi_qm_release_qp(struct hisi_qp *qp);
int hisi_qp_send(struct hisi_qp *qp, const void *msg);
int hisi_qm_get_free_qp_num(struct hisi_qm *qm);
int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number);
-int hisi_qm_debug_init(struct hisi_qm *qm);
+void hisi_qm_debug_init(struct hisi_qm *qm);
enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs);
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 2f52581..b35c1c2 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -652,9 +652,7 @@ static int sec_debugfs_init(struct hisi_qm *qm)
sec_debugfs_root);
qm->debug.sqe_mask_offset = SEC_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = SEC_SQE_MASK_LEN;
- ret = hisi_qm_debug_init(qm);
- if (ret)
- goto failed_to_create;
+ hisi_qm_debug_init(qm);

ret = sec_debug_init(qm);
if (ret)
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index 4bd2c81..3d1524b 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -590,9 +590,7 @@ static int hisi_zip_debugfs_init(struct hisi_qm *qm)
qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN;
qm->debug.debug_root = dev_d;
- ret = hisi_qm_debug_init(qm);
- if (ret)
- goto failed_to_create;
+ hisi_qm_debug_init(qm);

if (qm->fun_type == QM_HW_PF) {
ret = hisi_zip_ctrl_debug_init(qm);
--
2.8.1