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Subject[PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro
Date
Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
---
arch/powerpc/platforms/pseries/hvCall_inst.c | 23 +++-----------------
1 file changed, 3 insertions(+), 20 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index c40c62ec432e..2c59b4986ea5 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -70,31 +70,14 @@ static int hc_show(struct seq_file *m, void *p)
return 0;
}

-static const struct seq_operations hcall_inst_seq_ops = {
+static const struct seq_operations hcall_inst_sops = {
.start = hc_start,
.next = hc_next,
.stop = hc_stop,
.show = hc_show
};

-static int hcall_inst_seq_open(struct inode *inode, struct file *file)
-{
- int rc;
- struct seq_file *seq;
-
- rc = seq_open(file, &hcall_inst_seq_ops);
- seq = file->private_data;
- seq->private = file_inode(file)->i_private;
-
- return rc;
-}
-
-static const struct file_operations hcall_inst_seq_fops = {
- .open = hcall_inst_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(hcall_inst);

#define HCALL_ROOT_DIR "hcall_inst"
#define CPU_NAME_BUF_SIZE 32
@@ -149,7 +132,7 @@ static int __init hcall_inst_init(void)
snprintf(cpu_name_buf, CPU_NAME_BUF_SIZE, "cpu%d", cpu);
debugfs_create_file(cpu_name_buf, 0444, hcall_root,
per_cpu(hcall_stats, cpu),
- &hcall_inst_seq_fops);
+ &hcall_inst_fops);
}

return 0;
--
2.25.1
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