From patchwork Mon Oct 1 07:48:00 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandrabhanu Mahapatra X-Patchwork-Id: 1529661 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id E2AEF3FE1C for ; Mon, 1 Oct 2012 07:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751701Ab2JAHvF (ORCPT ); Mon, 1 Oct 2012 03:51:05 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:33856 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953Ab2JAHvE (ORCPT ); Mon, 1 Oct 2012 03:51:04 -0400 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id q917p2Xs016776; Mon, 1 Oct 2012 02:51:03 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q917p2NT006292; Mon, 1 Oct 2012 02:51:02 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Mon, 1 Oct 2012 02:51:02 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q917p2HF002507; Mon, 1 Oct 2012 02:51:02 -0500 Received: from localhost (uda0131936.apr.dhcp.ti.com [172.24.137.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id q917p0w19255; Mon, 1 Oct 2012 02:51:00 -0500 (CDT) From: Chandrabhanu Mahapatra To: CC: , , Chandrabhanu Mahapatra Subject: [PATCH V5 2/5] OMAPDSS: Create new debug config options Date: Mon, 1 Oct 2012 13:18:00 +0530 Message-ID: <1349077680-13559-1-git-send-email-cmahapatra@ti.com> X-Mailer: git-send-email 1.7.10 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org 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 --- changes from V4 to V5 * added "depends on DEBUG_FS" to OMAP2_DSS_DEBUGFS defintion in Kconfig so that CONFIG_OMAP2_DSS_DEBUGFS check become cleaner drivers/video/omap2/dss/Kconfig | 22 ++++++++++++++++------ 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, 22 insertions(+), 12 deletions(-) diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig index 80f5390..7052487 100644 --- a/drivers/video/omap2/dss/Kconfig +++ b/drivers/video/omap2/dss/Kconfig @@ -18,16 +18,26 @@ 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" + 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 /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..826d64f 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_OMAP2_DSS_DEBUGFS) 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_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_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..3954742 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_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..685275e 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_OMAP2_DSS_DEBUGFS) void dss_debug_dump_clocks(struct seq_file *s); #endif