linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro
@ 2020-09-16  2:50 Liu Shixin
  2020-09-24 12:27 ` Michael Ellerman
  0 siblings, 1 reply; 2+ messages in thread
From: Liu Shixin @ 2020-09-16  2:50 UTC (permalink / raw)
  To: Michael Ellerman, Benjamin Herrenschmidt, Paul Mackerras
  Cc: linuxppc-dev, linux-kernel, Liu Shixin

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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro
  2020-09-16  2:50 [PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro Liu Shixin
@ 2020-09-24 12:27 ` Michael Ellerman
  0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2020-09-24 12:27 UTC (permalink / raw)
  To: Michael Ellerman, Liu Shixin, Paul Mackerras, Benjamin Herrenschmidt
  Cc: linux-kernel, linuxppc-dev

On Wed, 16 Sep 2020 10:50:26 +0800, Liu Shixin wrote:
> Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Applied to powerpc/next.

[1/1] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro
      https://git.kernel.org/powerpc/c/96543e7352bded5d6d1a0e0022376ebdd6c1b8ab

cheers

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-09-24 12:27 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-16  2:50 [PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro Liu Shixin
2020-09-24 12:27 ` Michael Ellerman

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).