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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/fsl/fsl_ssi_dbg.c
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@@ -78,7 +78,7 @@
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 		dbg->stats.tfe0++;
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 }
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-/**
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+/*
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  * Show the statistics of a flag only if its interrupt is enabled
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  *
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  * Compilers will optimize it to a no-op if the interrupt is disabled
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@@ -90,7 +90,7 @@
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 	} while (0)
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-/**
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+/*
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  * Display the statistics for the current SSI device
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  *
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  * To avoid confusion, only show those counts that are enabled
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@@ -124,37 +124,17 @@
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 	return 0;
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 }
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-static int fsl_ssi_stats_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, fsl_ssi_stats_show, inode->i_private);
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-}
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+DEFINE_SHOW_ATTRIBUTE(fsl_ssi_stats);
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-static const struct file_operations fsl_ssi_stats_ops = {
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-	.open = fsl_ssi_stats_open,
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-	.read = seq_read,
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-	.llseek = seq_lseek,
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-	.release = single_release,
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-};
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-
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-int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev)
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+void fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev)
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 {
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 	ssi_dbg->dbg_dir = debugfs_create_dir(dev_name(dev), NULL);
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-	if (!ssi_dbg->dbg_dir)
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-		return -ENOMEM;
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-	ssi_dbg->dbg_stats = debugfs_create_file("stats", 0444,
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-						 ssi_dbg->dbg_dir, ssi_dbg,
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-						 &fsl_ssi_stats_ops);
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-	if (!ssi_dbg->dbg_stats) {
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-		debugfs_remove(ssi_dbg->dbg_dir);
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-		return -ENOMEM;
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-	}
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-
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-	return 0;
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+	debugfs_create_file("stats", 0444, ssi_dbg->dbg_dir, ssi_dbg,
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+			    &fsl_ssi_stats_fops);
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 }
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 void fsl_ssi_debugfs_remove(struct fsl_ssi_dbg *ssi_dbg)
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 {
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-	debugfs_remove(ssi_dbg->dbg_stats);
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-	debugfs_remove(ssi_dbg->dbg_dir);
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+	debugfs_remove_recursive(ssi_dbg->dbg_dir);
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 }