diff options
Diffstat (limited to 'sound/soc/fsl/fsl_ssi_dbg.c')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi_dbg.c | 105 |
1 files changed, 41 insertions, 64 deletions
diff --git a/sound/soc/fsl/fsl_ssi_dbg.c b/sound/soc/fsl/fsl_ssi_dbg.c index 5469ffbc0253..2c46c55f0a88 100644 --- a/sound/soc/fsl/fsl_ssi_dbg.c +++ b/sound/soc/fsl/fsl_ssi_dbg.c @@ -1,14 +1,10 @@ -/* - * Freescale SSI ALSA SoC Digital Audio Interface (DAI) debugging functions - * - * Copyright 2014 Markus Pargmann <mpa@pengutronix.de>, Pengutronix - * - * Splitted from fsl_ssi.c - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// Freescale SSI ALSA SoC Digital Audio Interface (DAI) debugging functions +// +// Copyright 2014 Markus Pargmann <mpa@pengutronix.de>, Pengutronix +// +// Split from fsl_ssi.c #include <linux/debugfs.h> #include <linux/device.h> @@ -18,86 +14,86 @@ void fsl_ssi_dbg_isr(struct fsl_ssi_dbg *dbg, u32 sisr) { - if (sisr & CCSR_SSI_SISR_RFRC) + if (sisr & SSI_SISR_RFRC) dbg->stats.rfrc++; - if (sisr & CCSR_SSI_SISR_TFRC) + if (sisr & SSI_SISR_TFRC) dbg->stats.tfrc++; - if (sisr & CCSR_SSI_SISR_CMDAU) + if (sisr & SSI_SISR_CMDAU) dbg->stats.cmdau++; - if (sisr & CCSR_SSI_SISR_CMDDU) + if (sisr & SSI_SISR_CMDDU) dbg->stats.cmddu++; - if (sisr & CCSR_SSI_SISR_RXT) + if (sisr & SSI_SISR_RXT) dbg->stats.rxt++; - if (sisr & CCSR_SSI_SISR_RDR1) + if (sisr & SSI_SISR_RDR1) dbg->stats.rdr1++; - if (sisr & CCSR_SSI_SISR_RDR0) + if (sisr & SSI_SISR_RDR0) dbg->stats.rdr0++; - if (sisr & CCSR_SSI_SISR_TDE1) + if (sisr & SSI_SISR_TDE1) dbg->stats.tde1++; - if (sisr & CCSR_SSI_SISR_TDE0) + if (sisr & SSI_SISR_TDE0) dbg->stats.tde0++; - if (sisr & CCSR_SSI_SISR_ROE1) + if (sisr & SSI_SISR_ROE1) dbg->stats.roe1++; - if (sisr & CCSR_SSI_SISR_ROE0) + if (sisr & SSI_SISR_ROE0) dbg->stats.roe0++; - if (sisr & CCSR_SSI_SISR_TUE1) + if (sisr & SSI_SISR_TUE1) dbg->stats.tue1++; - if (sisr & CCSR_SSI_SISR_TUE0) + if (sisr & SSI_SISR_TUE0) dbg->stats.tue0++; - if (sisr & CCSR_SSI_SISR_TFS) + if (sisr & SSI_SISR_TFS) dbg->stats.tfs++; - if (sisr & CCSR_SSI_SISR_RFS) + if (sisr & SSI_SISR_RFS) dbg->stats.rfs++; - if (sisr & CCSR_SSI_SISR_TLS) + if (sisr & SSI_SISR_TLS) dbg->stats.tls++; - if (sisr & CCSR_SSI_SISR_RLS) + if (sisr & SSI_SISR_RLS) dbg->stats.rls++; - if (sisr & CCSR_SSI_SISR_RFF1) + if (sisr & SSI_SISR_RFF1) dbg->stats.rff1++; - if (sisr & CCSR_SSI_SISR_RFF0) + if (sisr & SSI_SISR_RFF0) dbg->stats.rff0++; - if (sisr & CCSR_SSI_SISR_TFE1) + if (sisr & SSI_SISR_TFE1) dbg->stats.tfe1++; - if (sisr & CCSR_SSI_SISR_TFE0) + if (sisr & SSI_SISR_TFE0) dbg->stats.tfe0++; } -/* Show the statistics of a flag only if its interrupt is enabled. The - * compiler will optimze this code to a no-op if the interrupt is not - * enabled. +/* + * Show the statistics of a flag only if its interrupt is enabled + * + * Compilers will optimize it to a no-op if the interrupt is disabled */ #define SIER_SHOW(flag, name) \ do { \ - if (CCSR_SSI_SIER_##flag) \ + if (SSI_SIER_##flag) \ seq_printf(s, #name "=%u\n", ssi_dbg->stats.name); \ } while (0) -/** - * fsl_sysfs_ssi_show: display SSI statistics +/* + * Display the statistics for the current SSI device * - * Display the statistics for the current SSI device. To avoid confusion, - * we only show those counts that are enabled. + * To avoid confusion, only show those counts that are enabled */ static int fsl_ssi_stats_show(struct seq_file *s, void *unused) { @@ -128,36 +124,17 @@ static int fsl_ssi_stats_show(struct seq_file *s, void *unused) return 0; } -static int fsl_ssi_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, fsl_ssi_stats_show, inode->i_private); -} - -static const struct file_operations fsl_ssi_stats_ops = { - .open = fsl_ssi_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(fsl_ssi_stats); -int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev) +void fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev) { ssi_dbg->dbg_dir = debugfs_create_dir(dev_name(dev), NULL); - if (!ssi_dbg->dbg_dir) - return -ENOMEM; - - ssi_dbg->dbg_stats = debugfs_create_file("stats", S_IRUGO, - ssi_dbg->dbg_dir, ssi_dbg, &fsl_ssi_stats_ops); - if (!ssi_dbg->dbg_stats) { - debugfs_remove(ssi_dbg->dbg_dir); - return -ENOMEM; - } - return 0; + debugfs_create_file("stats", 0444, ssi_dbg->dbg_dir, ssi_dbg, + &fsl_ssi_stats_fops); } void fsl_ssi_debugfs_remove(struct fsl_ssi_dbg *ssi_dbg) { - debugfs_remove(ssi_dbg->dbg_stats); - debugfs_remove(ssi_dbg->dbg_dir); + debugfs_remove_recursive(ssi_dbg->dbg_dir); } |