From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sumit Semwal Date: Sat, 29 Sep 2012 15:27:50 +0000 Subject: Re: [PATCH V4 2/5] OMAPDSS: Create new debug config options Message-Id: <506710A6.3030207@linaro.org> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Chandrabhanu Mahapatra Cc: tomi.valkeinen@ti.com, linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org Hi Chandrabhanu, On Saturday 29 September 2012 04:19 PM, Chandrabhanu Mahapatra wrote: > The config option CONFIG_OMAP2_DSS_DEBUG_SUPPORT has been removed and replaced > with CONFIG_OMAP2_DSS_DEBUG and CONFIG_OMAP2_DSS_DEBUGFS. CONFIG_OMAP2_DSS_DEBUG > enables DEBUG flag and CONFIG_OMAP2_DSS_DEBUGFS enables creation of debugfs for > OMAPDSS. Both the config options are disabled by default and can be enabled > independently of one another as per convenience. > > Signed-off-by: Chandrabhanu Mahapatra > --- > drivers/video/omap2/dss/Kconfig | 21 +++++++++++++++------ > drivers/video/omap2/dss/Makefile | 2 +- > drivers/video/omap2/dss/core.c | 6 +++--- > drivers/video/omap2/dss/dss.c | 2 +- > drivers/video/omap2/dss/dss.h | 2 +- > 5 files changed, 21 insertions(+), 12 deletions(-) > > diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig > index 80f5390..866a563 100644 > --- a/drivers/video/omap2/dss/Kconfig > +++ b/drivers/video/omap2/dss/Kconfig > @@ -18,16 +18,25 @@ config OMAP2_VRAM_SIZE > You can also set this with "vram=" 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 /dynamic_debug/control. > + > +config OMAP2_DSS_DEBUGFS > + bool "Debugfs filesystem support" > + default n You can make it as 'depends on CONFIG_DEBUG_FS', so that your check below [1] becomes cleaner. > help > - This enables debug messages. You need to enable printing > - with 'debug' module parameter. > + This enables debugfs for OMAPDSS at /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 86493e3..4070191 100644 > --- a/drivers/video/omap2/dss/Makefile > +++ b/drivers/video/omap2/dss/Makefile > @@ -8,4 +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_SUPPORT) += -DDEBUG > +ccflags-$(CONFIG_OMAP2_DSS_DEBUG) += -DDEBUG > diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c > index b2af72d..1e1f50f 100644 > --- a/drivers/video/omap2/dss/core.c > +++ b/drivers/video/omap2/dss/core.c > @@ -138,7 +138,7 @@ 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_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUGFS) [1]: here. > static int dss_debug_show(struct seq_file *s, void *unused) > { > void (*func)(struct seq_file *) = s->private; > @@ -193,7 +193,7 @@ 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_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUGFS */ > static inline int dss_initialize_debugfs(void) > { > return 0; > @@ -205,7 +205,7 @@ 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_DEBUG_FS && 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/dss.c b/drivers/video/omap2/dss/dss.c > index 2ab1c3e..fe30855 100644 > --- a/drivers/video/omap2/dss/dss.c > +++ b/drivers/video/omap2/dss/dss.c > @@ -746,7 +746,7 @@ static void dss_runtime_put(void) > } > > /* DEBUGFS */ > -#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT) > +#if defined(CONFIG_DEBUG_FS) && 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 ffbba7e..a8a1ab4 100644 > --- a/drivers/video/omap2/dss/dss.h > +++ b/drivers/video/omap2/dss/dss.h > @@ -301,7 +301,7 @@ 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_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUGFS) > void dss_debug_dump_clocks(struct seq_file *s); > #endif > >