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authorMarkus Pargmann <mpa@pengutronix.de>2014-04-28 12:54:43 +0200
committerMark Brown <broonie@linaro.org>2014-05-20 23:02:26 +0100
commitf138e6212427d0ea6283e07b706823b657ddf14f (patch)
treeaaddfdb38e47b479a96cb9004736cefa226f2429 /sound/soc/fsl/fsl_ssi.c
parent65c961cc59345fa347173e5a1f5866bc866fd626 (diff)
downloadkernel-f138e6212427d0ea6283e07b706823b657ddf14f.tar.gz
ASoC: fsl-ssi: Move debugging to seperate file
Move all code that is only used for debugging to a seperate file. This makes it easier to see what functions are used for debugging only. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Tested-By: Michael Grzeschik <mgr@pengutronix.de> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r--sound/soc/fsl/fsl_ssi.c241
1 files changed, 7 insertions, 234 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index fadb264e4cbb..344f752e997d 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -35,7 +35,6 @@
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
-#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/slab.h>
@@ -113,8 +112,6 @@ static inline void write_ssi_mask(u32 __iomem *addr, u32 clear, u32 set)
#define FSLSSI_SIER_DBG_TX_FLAGS (CCSR_SSI_SIER_TFE0_EN | \
CCSR_SSI_SIER_TLS_EN | CCSR_SSI_SIER_TFS_EN | \
CCSR_SSI_SIER_TUE0_EN | CCSR_SSI_SIER_TFRC_EN)
-#define FSLSSI_SISR_MASK (FSLSSI_SIER_DBG_RX_FLAGS | FSLSSI_SIER_DBG_TX_FLAGS)
-
enum fsl_ssi_type {
FSL_SSI_MCP8610,
@@ -177,31 +174,7 @@ struct fsl_ssi_private {
/* Register values for rx/tx configuration */
struct fsl_ssi_rxtx_reg_val rxtx_reg_val;
- struct {
- unsigned int rfrc;
- unsigned int tfrc;
- unsigned int cmdau;
- unsigned int cmddu;
- unsigned int rxt;
- unsigned int rdr1;
- unsigned int rdr0;
- unsigned int tde1;
- unsigned int tde0;
- unsigned int roe1;
- unsigned int roe0;
- unsigned int tue1;
- unsigned int tue0;
- unsigned int tfs;
- unsigned int rfs;
- unsigned int tls;
- unsigned int rls;
- unsigned int rff1;
- unsigned int rff0;
- unsigned int tfe1;
- unsigned int tfe0;
- } stats;
- struct dentry *dbg_dir;
- struct dentry *dbg_stats;
+ struct fsl_ssi_dbg dbg_stats;
char name[1];
};
@@ -231,7 +204,6 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
{
struct fsl_ssi_private *ssi_private = dev_id;
struct ccsr_ssi __iomem *ssi = ssi_private->ssi;
- irqreturn_t ret = IRQ_NONE;
__be32 sisr;
__be32 sisr2;
__be32 sisr_write_mask = 0;
@@ -258,217 +230,18 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
were interrupted for. We mask it with the Interrupt Enable register
so that we only check for events that we're interested in.
*/
- sisr = read_ssi(&ssi->sisr) & FSLSSI_SISR_MASK;
-
- if (sisr & CCSR_SSI_SISR_RFRC) {
- ssi_private->stats.rfrc++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TFRC) {
- ssi_private->stats.tfrc++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_CMDAU) {
- ssi_private->stats.cmdau++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_CMDDU) {
- ssi_private->stats.cmddu++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RXT) {
- ssi_private->stats.rxt++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RDR1) {
- ssi_private->stats.rdr1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RDR0) {
- ssi_private->stats.rdr0++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TDE1) {
- ssi_private->stats.tde1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TDE0) {
- ssi_private->stats.tde0++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_ROE1) {
- ssi_private->stats.roe1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_ROE0) {
- ssi_private->stats.roe0++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TUE1) {
- ssi_private->stats.tue1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TUE0) {
- ssi_private->stats.tue0++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TFS) {
- ssi_private->stats.tfs++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RFS) {
- ssi_private->stats.rfs++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TLS) {
- ssi_private->stats.tls++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RLS) {
- ssi_private->stats.rls++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RFF1) {
- ssi_private->stats.rff1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_RFF0) {
- ssi_private->stats.rff0++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TFE1) {
- ssi_private->stats.tfe1++;
- ret = IRQ_HANDLED;
- }
-
- if (sisr & CCSR_SSI_SISR_TFE0) {
- ssi_private->stats.tfe0++;
- ret = IRQ_HANDLED;
- }
+ sisr = read_ssi(&ssi->sisr);
sisr2 = sisr & sisr_write_mask;
/* Clear the bits that we set */
if (sisr2)
write_ssi(sisr2, &ssi->sisr);
- return ret;
-}
-
-#if IS_ENABLED(CONFIG_DEBUG_FS)
-/* 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.
- */
-#define SIER_SHOW(flag, name) \
- do { \
- if (FSLSSI_SISR_MASK & CCSR_SSI_SIER_##flag) \
- seq_printf(s, #name "=%u\n", ssi_private->stats.name); \
- } while (0)
-
-
-/**
- * fsl_sysfs_ssi_show: display SSI statistics
- *
- * Display the statistics for the current SSI device. To avoid confusion,
- * we only show those counts that are enabled.
- */
-static int fsl_ssi_stats_show(struct seq_file *s, void *unused)
-{
- struct fsl_ssi_private *ssi_private = s->private;
-
- SIER_SHOW(RFRC_EN, rfrc);
- SIER_SHOW(TFRC_EN, tfrc);
- SIER_SHOW(CMDAU_EN, cmdau);
- SIER_SHOW(CMDDU_EN, cmddu);
- SIER_SHOW(RXT_EN, rxt);
- SIER_SHOW(RDR1_EN, rdr1);
- SIER_SHOW(RDR0_EN, rdr0);
- SIER_SHOW(TDE1_EN, tde1);
- SIER_SHOW(TDE0_EN, tde0);
- SIER_SHOW(ROE1_EN, roe1);
- SIER_SHOW(ROE0_EN, roe0);
- SIER_SHOW(TUE1_EN, tue1);
- SIER_SHOW(TUE0_EN, tue0);
- SIER_SHOW(TFS_EN, tfs);
- SIER_SHOW(RFS_EN, rfs);
- SIER_SHOW(TLS_EN, tls);
- SIER_SHOW(RLS_EN, rls);
- SIER_SHOW(RFF1_EN, rff1);
- SIER_SHOW(RFF0_EN, rff0);
- SIER_SHOW(TFE1_EN, tfe1);
- SIER_SHOW(TFE0_EN, tfe0);
-
- 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,
-};
-
-static int fsl_ssi_debugfs_create(struct fsl_ssi_private *ssi_private,
- struct device *dev)
-{
- ssi_private->dbg_dir = debugfs_create_dir(dev_name(dev), NULL);
- if (!ssi_private->dbg_dir)
- return -ENOMEM;
-
- ssi_private->dbg_stats = debugfs_create_file("stats", S_IRUGO,
- ssi_private->dbg_dir, ssi_private, &fsl_ssi_stats_ops);
- if (!ssi_private->dbg_stats) {
- debugfs_remove(ssi_private->dbg_dir);
- return -ENOMEM;
- }
-
- return 0;
-}
-
-static void fsl_ssi_debugfs_remove(struct fsl_ssi_private *ssi_private)
-{
- debugfs_remove(ssi_private->dbg_stats);
- debugfs_remove(ssi_private->dbg_dir);
-}
-
-#else
-
-static int fsl_ssi_debugfs_create(struct fsl_ssi_private *ssi_private,
- struct device *dev)
-{
- return 0;
-}
+ fsl_ssi_dbg_isr(&ssi_private->dbg_stats, sisr);
-static void fsl_ssi_debugfs_remove(struct fsl_ssi_private *ssi_private)
-{
+ return IRQ_HANDLED;
}
-#endif /* IS_ENABLED(CONFIG_DEBUG_FS) */
-
/*
* Enable/Disable all rx/tx config flags at once.
*/
@@ -1452,7 +1225,7 @@ static int fsl_ssi_probe(struct platform_device *pdev)
goto error_dev;
}
- ret = fsl_ssi_debugfs_create(ssi_private, &pdev->dev);
+ ret = fsl_ssi_debugfs_create(&ssi_private->dbg_stats, &pdev->dev);
if (ret)
goto error_dbgfs;
@@ -1522,7 +1295,7 @@ error_dai:
imx_pcm_fiq_exit(pdev);
error_pcm:
- fsl_ssi_debugfs_remove(ssi_private);
+ fsl_ssi_debugfs_remove(&ssi_private->dbg_stats);
error_dbgfs:
snd_soc_unregister_component(&pdev->dev);
@@ -1548,7 +1321,7 @@ static int fsl_ssi_remove(struct platform_device *pdev)
{
struct fsl_ssi_private *ssi_private = dev_get_drvdata(&pdev->dev);
- fsl_ssi_debugfs_remove(ssi_private);
+ fsl_ssi_debugfs_remove(&ssi_private->dbg_stats);
if (!ssi_private->new_binding)
platform_device_unregister(ssi_private->pdev);