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-rw-r--r--drivers/video/omap2/dss/Kconfig22
-rw-r--r--drivers/video/omap2/dss/Makefile1
-rw-r--r--drivers/video/omap2/dss/apply.c8
-rw-r--r--drivers/video/omap2/dss/core.c13
-rw-r--r--drivers/video/omap2/dss/dispc.c40
-rw-r--r--drivers/video/omap2/dss/dsi.c187
-rw-r--r--drivers/video/omap2/dss/dss.c2
-rw-r--r--drivers/video/omap2/dss/dss.h40
8 files changed, 131 insertions, 182 deletions
diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index b5807e793e89..50e880260d8c 100644
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -17,16 +17,26 @@ config OMAP2_VRAM_SIZE
You can also set this with "vram=<bytes>" kernel argument, or
in the board file.
-config OMAP2_DSS_DEBUG_SUPPORT
- bool "Debug support"
- default y
+config OMAP2_DSS_DEBUG
+ bool "Debug support"
+ default n
+ help
+ This enables printing of debug messages. Alternatively, debug messages
+ can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
+ appropriate flags in <debugfs>/dynamic_debug/control.
+
+config OMAP2_DSS_DEBUGFS
+ bool "Debugfs filesystem support"
+ depends on DEBUG_FS
+ default n
help
- This enables debug messages. You need to enable printing
- with 'debug' module parameter.
+ This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
+ querying about clock configuration and register configuration of dss,
+ dispc, dsi, hdmi and rfbi.
config OMAP2_DSS_COLLECT_IRQ_STATS
bool "Collect DSS IRQ statistics"
- depends on OMAP2_DSS_DEBUG_SUPPORT
+ depends on OMAP2_DSS_DEBUGFS
default n
help
Collect DSS IRQ statistics, printable via debugfs.
diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile
index 4549869bfe1a..40701910f737 100644
--- a/drivers/video/omap2/dss/Makefile
+++ b/drivers/video/omap2/dss/Makefile
@@ -8,3 +8,4 @@ omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
omapdss-$(CONFIG_OMAP4_DSS_HDMI) += hdmi.o \
hdmi_panel.o ti_hdmi_4xxx_ip.o
+ccflags-$(CONFIG_OMAP2_DSS_DEBUG) += -DDEBUG
diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 19d66f471b4b..e923d9f90ee6 100644
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -573,7 +573,7 @@ static void dss_ovl_write_regs(struct omap_overlay *ovl)
struct mgr_priv_data *mp;
int r;
- DSSDBGF("%d", ovl->id);
+ DSSDBG("writing ovl %d regs", ovl->id);
if (!op->enabled || !op->info_dirty)
return;
@@ -608,7 +608,7 @@ static void dss_ovl_write_regs_extra(struct omap_overlay *ovl)
struct ovl_priv_data *op = get_ovl_priv(ovl);
struct mgr_priv_data *mp;
- DSSDBGF("%d", ovl->id);
+ DSSDBG("writing ovl %d regs extra", ovl->id);
if (!op->extra_info_dirty)
return;
@@ -632,7 +632,7 @@ static void dss_mgr_write_regs(struct omap_overlay_manager *mgr)
struct mgr_priv_data *mp = get_mgr_priv(mgr);
struct omap_overlay *ovl;
- DSSDBGF("%d", mgr->id);
+ DSSDBG("writing mgr %d regs", mgr->id);
if (!mp->enabled)
return;
@@ -658,7 +658,7 @@ static void dss_mgr_write_regs_extra(struct omap_overlay_manager *mgr)
{
struct mgr_priv_data *mp = get_mgr_priv(mgr);
- DSSDBGF("%d", mgr->id);
+ DSSDBG("writing mgr %d regs extra", mgr->id);
if (!mp->extra_info_dirty)
return;
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index d94ef9e31a35..00aa026e307c 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -53,11 +53,6 @@ static char *def_disp_name;
module_param_named(def_disp, def_disp_name, charp, 0);
MODULE_PARM_DESC(def_disp, "default display name");
-#ifdef DEBUG
-bool dss_debug;
-module_param_named(debug, dss_debug, bool, 0644);
-#endif
-
const char *dss_get_default_display_name(void)
{
return core.default_display_name;
@@ -122,7 +117,7 @@ void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask)
{
struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
- if (!board_data->dsi_enable_pads)
+ if (!board_data->dsi_disable_pads)
return;
return board_data->dsi_disable_pads(dsi_id, lane_mask);
@@ -138,7 +133,7 @@ int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
return 0;
}
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
static int dss_debug_show(struct seq_file *s, void *unused)
{
void (*func)(struct seq_file *) = s->private;
@@ -193,7 +188,7 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
return 0;
}
-#else /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+#else /* CONFIG_OMAP2_DSS_DEBUGFS */
static inline int dss_initialize_debugfs(void)
{
return 0;
@@ -205,7 +200,7 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
{
return 0;
}
-#endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
+#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
/* PLATFORM DEVICE */
static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 2c871bc589a8..a85228930b0d 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -3670,34 +3670,26 @@ int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask)
}
EXPORT_SYMBOL(omap_dispc_unregister_isr);
-#ifdef DEBUG
static void print_irq_status(u32 status)
{
if ((status & dispc.irq_error_mask) == 0)
return;
- printk(KERN_DEBUG "DISPC IRQ: 0x%x: ", status);
-
-#define PIS(x) \
- if (status & DISPC_IRQ_##x) \
- printk(#x " ");
- PIS(GFX_FIFO_UNDERFLOW);
- PIS(OCP_ERR);
- PIS(VID1_FIFO_UNDERFLOW);
- PIS(VID2_FIFO_UNDERFLOW);
- if (dss_feat_get_num_ovls() > 3)
- PIS(VID3_FIFO_UNDERFLOW);
- PIS(SYNC_LOST);
- PIS(SYNC_LOST_DIGIT);
- if (dss_has_feature(FEAT_MGR_LCD2))
- PIS(SYNC_LOST2);
- if (dss_has_feature(FEAT_MGR_LCD3))
- PIS(SYNC_LOST3);
+#define PIS(x) (status & DISPC_IRQ_##x) ? (#x " ") : ""
+
+ pr_debug("DISPC IRQ: 0x%x: %s%s%s%s%s%s%s%s%s\n",
+ status,
+ PIS(OCP_ERR),
+ PIS(GFX_FIFO_UNDERFLOW),
+ PIS(VID1_FIFO_UNDERFLOW),
+ PIS(VID2_FIFO_UNDERFLOW),
+ dss_feat_get_num_ovls() > 3 ? PIS(VID3_FIFO_UNDERFLOW) : "",
+ PIS(SYNC_LOST),
+ PIS(SYNC_LOST_DIGIT),
+ dss_has_feature(FEAT_MGR_LCD2) ? PIS(SYNC_LOST2) : "",
+ dss_has_feature(FEAT_MGR_LCD3) ? PIS(SYNC_LOST3) : "");
#undef PIS
-
- printk("\n");
}
-#endif
/* Called from dss.c. Note that we don't touch clocks here,
* but we presume they are on because we got an IRQ. However,
@@ -3730,10 +3722,8 @@ static irqreturn_t omap_dispc_irq_handler(int irq, void *arg)
spin_unlock(&dispc.irq_stats_lock);
#endif
-#ifdef DEBUG
- if (dss_debug)
- print_irq_status(irqstatus);
-#endif
+ print_irq_status(irqstatus);
+
/* Ack the interrupt. Do it here before clocks are possibly turned
* off */
dispc_write_reg(DISPC_IRQSTATUS, irqstatus);
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index d64ac3842884..af07ec6a83bd 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -45,7 +45,6 @@
#include "dss.h"
#include "dss_features.h"
-/*#define VERBOSE_IRQ*/
#define DSI_CATCH_MISSING_TE
struct dsi_reg { u16 idx; };
@@ -526,42 +525,38 @@ static inline void dsi_perf_show(struct platform_device *dsidev,
}
#endif
+static int verbose_irq;
+
static void print_irq_status(u32 status)
{
if (status == 0)
return;
-#ifndef VERBOSE_IRQ
- if ((status & ~DSI_IRQ_CHANNEL_MASK) == 0)
+ if (!verbose_irq && (status & ~DSI_IRQ_CHANNEL_MASK) == 0)
return;
-#endif
- printk(KERN_DEBUG "DSI IRQ: 0x%x: ", status);
-#define PIS(x) \
- if (status & DSI_IRQ_##x) \
- printk(#x " ");
-#ifdef VERBOSE_IRQ
- PIS(VC0);
- PIS(VC1);
- PIS(VC2);
- PIS(VC3);
-#endif
- PIS(WAKEUP);
- PIS(RESYNC);
- PIS(PLL_LOCK);
- PIS(PLL_UNLOCK);
- PIS(PLL_RECALL);
- PIS(COMPLEXIO_ERR);
- PIS(HS_TX_TIMEOUT);
- PIS(LP_RX_TIMEOUT);
- PIS(TE_TRIGGER);
- PIS(ACK_TRIGGER);
- PIS(SYNC_LOST);
- PIS(LDO_POWER_GOOD);
- PIS(TA_TIMEOUT);
+#define PIS(x) (status & DSI_IRQ_##x) ? (#x " ") : ""
+
+ pr_debug("DSI IRQ: 0x%x: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ status,
+ verbose_irq ? PIS(VC0) : "",
+ verbose_irq ? PIS(VC1) : "",
+ verbose_irq ? PIS(VC2) : "",
+ verbose_irq ? PIS(VC3) : "",
+ PIS(WAKEUP),
+ PIS(RESYNC),
+ PIS(PLL_LOCK),
+ PIS(PLL_UNLOCK),
+ PIS(PLL_RECALL),
+ PIS(COMPLEXIO_ERR),
+ PIS(HS_TX_TIMEOUT),
+ PIS(LP_RX_TIMEOUT),
+ PIS(TE_TRIGGER),
+ PIS(ACK_TRIGGER),
+ PIS(SYNC_LOST),
+ PIS(LDO_POWER_GOOD),
+ PIS(TA_TIMEOUT));
#undef PIS
-
- printk("\n");
}
static void print_irq_status_vc(int channel, u32 status)
@@ -569,28 +564,24 @@ static void print_irq_status_vc(int channel, u32 status)
if (status == 0)
return;
-#ifndef VERBOSE_IRQ
- if ((status & ~DSI_VC_IRQ_PACKET_SENT) == 0)
+ if (!verbose_irq && (status & ~DSI_VC_IRQ_PACKET_SENT) == 0)
return;
-#endif
- printk(KERN_DEBUG "DSI VC(%d) IRQ 0x%x: ", channel, status);
-#define PIS(x) \
- if (status & DSI_VC_IRQ_##x) \
- printk(#x " ");
- PIS(CS);
- PIS(ECC_CORR);
-#ifdef VERBOSE_IRQ
- PIS(PACKET_SENT);
-#endif
- PIS(FIFO_TX_OVF);
- PIS(FIFO_RX_OVF);
- PIS(BTA);
- PIS(ECC_NO_CORR);
- PIS(FIFO_TX_UDF);
- PIS(PP_BUSY_CHANGE);
+#define PIS(x) (status & DSI_VC_IRQ_##x) ? (#x " ") : ""
+
+ pr_debug("DSI VC(%d) IRQ 0x%x: %s%s%s%s%s%s%s%s%s\n",
+ channel,
+ status,
+ PIS(CS),
+ PIS(ECC_CORR),
+ PIS(ECC_NO_CORR),
+ verbose_irq ? PIS(PACKET_SENT) : "",
+ PIS(BTA),
+ PIS(FIFO_TX_OVF),
+ PIS(FIFO_RX_OVF),
+ PIS(FIFO_TX_UDF),
+ PIS(PP_BUSY_CHANGE));
#undef PIS
- printk("\n");
}
static void print_irq_status_cio(u32 status)
@@ -598,34 +589,31 @@ static void print_irq_status_cio(u32 status)
if (status == 0)
return;
- printk(KERN_DEBUG "DSI CIO IRQ 0x%x: ", status);
-
-#define PIS(x) \
- if (status & DSI_CIO_IRQ_##x) \
- printk(#x " ");
- PIS(ERRSYNCESC1);
- PIS(ERRSYNCESC2);
- PIS(ERRSYNCESC3);
- PIS(ERRESC1);
- PIS(ERRESC2);
- PIS(ERRESC3);
- PIS(ERRCONTROL1);
- PIS(ERRCONTROL2);
- PIS(ERRCONTROL3);
- PIS(STATEULPS1);
- PIS(STATEULPS2);
- PIS(STATEULPS3);
- PIS(ERRCONTENTIONLP0_1);
- PIS(ERRCONTENTIONLP1_1);
- PIS(ERRCONTENTIONLP0_2);
- PIS(ERRCONTENTIONLP1_2);
- PIS(ERRCONTENTIONLP0_3);
- PIS(ERRCONTENTIONLP1_3);
- PIS(ULPSACTIVENOT_ALL0);
- PIS(ULPSACTIVENOT_ALL1);
+#define PIS(x) (status & DSI_CIO_IRQ_##x) ? (#x " ") : ""
+
+ pr_debug("DSI CIO IRQ 0x%x: %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ status,
+ PIS(ERRSYNCESC1),
+ PIS(ERRSYNCESC2),
+ PIS(ERRSYNCESC3),
+ PIS(ERRESC1),
+ PIS(ERRESC2),
+ PIS(ERRESC3),
+ PIS(ERRCONTROL1),
+ PIS(ERRCONTROL2),
+ PIS(ERRCONTROL3),
+ PIS(STATEULPS1),
+ PIS(STATEULPS2),
+ PIS(STATEULPS3),
+ PIS(ERRCONTENTIONLP0_1),
+ PIS(ERRCONTENTIONLP1_1),
+ PIS(ERRCONTENTIONLP0_2),
+ PIS(ERRCONTENTIONLP1_2),
+ PIS(ERRCONTENTIONLP0_3),
+ PIS(ERRCONTENTIONLP1_3),
+ PIS(ULPSACTIVENOT_ALL0),
+ PIS(ULPSACTIVENOT_ALL1));
#undef PIS
-
- printk("\n");
}
#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
@@ -1107,28 +1095,16 @@ static inline void dsi_enable_pll_clock(struct platform_device *dsidev,
}
}
-#ifdef DEBUG
static void _dsi_print_reset_status(struct platform_device *dsidev)
{
u32 l;
int b0, b1, b2;
- if (!dss_debug)
- return;
-
/* A dummy read using the SCP interface to any DSIPHY register is
* required after DSIPHY reset to complete the reset of the DSI complex
* I/O. */
l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
- printk(KERN_DEBUG "DSI resets: ");
-
- l = dsi_read_reg(dsidev, DSI_PLL_STATUS);
- printk("PLL (%d) ", FLD_GET(l, 0, 0));
-
- l = dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1);
- printk("CIO (%d) ", FLD_GET(l, 29, 29));
-
if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
b0 = 28;
b1 = 27;
@@ -1139,18 +1115,21 @@ static void _dsi_print_reset_status(struct platform_device *dsidev)
b2 = 26;
}
- l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
- printk("PHY (%x%x%x, %d, %d, %d)\n",
- FLD_GET(l, b0, b0),
- FLD_GET(l, b1, b1),
- FLD_GET(l, b2, b2),
- FLD_GET(l, 29, 29),
- FLD_GET(l, 30, 30),
- FLD_GET(l, 31, 31));
+#define DSI_FLD_GET(fld, start, end)\
+ FLD_GET(dsi_read_reg(dsidev, DSI_##fld), start, end)
+
+ pr_debug("DSI resets: PLL (%d) CIO (%d) PHY (%x%x%x, %d, %d, %d)\n",
+ DSI_FLD_GET(PLL_STATUS, 0, 0),
+ DSI_FLD_GET(COMPLEXIO_CFG1, 29, 29),
+ DSI_FLD_GET(DSIPHY_CFG5, b0, b0),
+ DSI_FLD_GET(DSIPHY_CFG5, b1, b1),
+ DSI_FLD_GET(DSIPHY_CFG5, b2, b2),
+ DSI_FLD_GET(DSIPHY_CFG5, 29, 29),
+ DSI_FLD_GET(DSIPHY_CFG5, 30, 30),
+ DSI_FLD_GET(DSIPHY_CFG5, 31, 31));
+
+#undef DSI_FLD_GET
}
-#else
-#define _dsi_print_reset_status(x)
-#endif
static inline int dsi_if_enable(struct platform_device *dsidev, bool enable)
{
@@ -1612,7 +1591,7 @@ int dsi_pll_set_clock_div(struct platform_device *dsidev,
u8 regn_start, regn_end, regm_start, regm_end;
u8 regm_dispc_start, regm_dispc_end, regm_dsi_start, regm_dsi_end;
- DSSDBGF();
+ DSSDBG("DSI PLL clock config starts");
dsi->current_cinfo.clkin = cinfo->clkin;
dsi->current_cinfo.fint = cinfo->fint;
@@ -2431,7 +2410,7 @@ static int dsi_cio_init(struct platform_device *dsidev)
int r;
u32 l;
- DSSDBGF();
+ DSSDBG("DSI CIO init starts");
r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
if (r)
@@ -2782,7 +2761,7 @@ static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
{
u32 r;
- DSSDBGF("%d", channel);
+ DSSDBG("Initial config of virtual channel %d", channel);
r = dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
@@ -2814,7 +2793,7 @@ static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
if (dsi->vc[channel].source == source)
return 0;
- DSSDBGF("%d", channel);
+ DSSDBG("Source config of virtual channel %d", channel);
dsi_sync_vc(dsidev, channel);
@@ -3572,7 +3551,7 @@ static int dsi_enter_ulps(struct platform_device *dsidev)
int r, i;
unsigned mask;
- DSSDBGF();
+ DSSDBG("Entering ULPS");
WARN_ON(!dsi_bus_is_locked(dsidev));
@@ -4276,7 +4255,7 @@ int omapdss_dsi_set_clocks(struct omap_dss_device *dssdev,
unsigned long pck;
int r;
- DSSDBGF("ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk);
+ DSSDBG("Setting DSI clocks: ddr_clk %lu, lp_clk %lu", ddr_clk, lp_clk);
mutex_lock(&dsi->lock);
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index eade3110d12e..37ee465c1a0e 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -745,7 +745,7 @@ static void dss_runtime_put(void)
}
/* DEBUGFS */
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
void dss_debug_dump_clocks(struct seq_file *s)
{
dss_dump_clocks(s);
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 6728892f9dad..75f841a4a1e1 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -23,44 +23,18 @@
#ifndef __OMAP2_DSS_H
#define __OMAP2_DSS_H
-#ifdef CONFIG_OMAP2_DSS_DEBUG_SUPPORT
-#define DEBUG
+#ifdef pr_fmt
+#undef pr_fmt
#endif
-#ifdef DEBUG
-extern bool dss_debug;
#ifdef DSS_SUBSYS_NAME
-#define DSSDBG(format, ...) \
- if (dss_debug) \
- printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME ": " format, \
- ## __VA_ARGS__)
+#define pr_fmt(fmt) DSS_SUBSYS_NAME ": " fmt
#else
-#define DSSDBG(format, ...) \
- if (dss_debug) \
- printk(KERN_DEBUG "omapdss: " format, ## __VA_ARGS__)
-#endif
-
-#ifdef DSS_SUBSYS_NAME
-#define DSSDBGF(format, ...) \
- if (dss_debug) \
- printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME \
- ": %s(" format ")\n", \
- __func__, \
- ## __VA_ARGS__)
-#else
-#define DSSDBGF(format, ...) \
- if (dss_debug) \
- printk(KERN_DEBUG "omapdss: " \
- ": %s(" format ")\n", \
- __func__, \
- ## __VA_ARGS__)
-#endif
-
-#else /* DEBUG */
-#define DSSDBG(format, ...)
-#define DSSDBGF(format, ...)
+#define pr_fmt(fmt) fmt
#endif
+#define DSSDBG(format, ...) \
+ pr_debug(format, ## __VA_ARGS__)
#ifdef DSS_SUBSYS_NAME
#define DSSERR(format, ...) \
@@ -305,7 +279,7 @@ enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
void dss_dump_clocks(struct seq_file *s);
-#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
+#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
void dss_debug_dump_clocks(struct seq_file *s);
#endif