From: Paul Walmsley <paul@pwsan.com> To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Tony Lindgren <tony@atomide.com>, Nishanth Menon <nm@ti.com>, Todd Poynor <toddpoynor@google.com> Subject: [PATCH 07/11] ARM: OMAP: PM: Lock clocks list while generating summary Date: Thu, 07 Jun 2012 00:13:12 -0600 [thread overview] Message-ID: <20120607061311.25532.12581.stgit@dusk> (raw) In-Reply-To: <20120607060901.25532.68354.stgit@dusk> From: Todd Poynor <toddpoynor@google.com> Commit a53025724052b2b1edbc982a4a248784638f563d (OMAP: Add debugfs node to show the summary of all clocks) introduced clock summary, however, we are interested in seeing snapshot of the clock state, not in dynamically changing clock configurations as the data provided by clock summary will then be useless for debugging configuration issues. So, hold the common lock when dumping the clock summary. Cc: Paul Walmsley <paul@pwsan.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Todd Poynor <toddpoynor@google.com> [nm@ti.com: added commit message] Signed-off-by: Nishanth Menon <nm@ti.com> [paul@pwsan.com: minor edits to commit message] Signed-off-by: Paul Walmsley <paul@pwsan.com> --- arch/arm/plat-omap/clock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 62ec5c4..706b7e2 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -461,6 +461,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused) struct clk *c; struct clk *pa; + mutex_lock(&clocks_mutex); seq_printf(s, "%-30s %-30s %-10s %s\n", "clock-name", "parent-name", "rate", "use-count"); @@ -469,6 +470,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused) seq_printf(s, "%-30s %-30s %-10lu %d\n", c->name, pa ? pa->name : "none", c->rate, c->usecount); } + mutex_unlock(&clocks_mutex); return 0; }
WARNING: multiple messages have this Message-ID (diff)
From: paul@pwsan.com (Paul Walmsley) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 07/11] ARM: OMAP: PM: Lock clocks list while generating summary Date: Thu, 07 Jun 2012 00:13:12 -0600 [thread overview] Message-ID: <20120607061311.25532.12581.stgit@dusk> (raw) In-Reply-To: <20120607060901.25532.68354.stgit@dusk> From: Todd Poynor <toddpoynor@google.com> Commit a53025724052b2b1edbc982a4a248784638f563d (OMAP: Add debugfs node to show the summary of all clocks) introduced clock summary, however, we are interested in seeing snapshot of the clock state, not in dynamically changing clock configurations as the data provided by clock summary will then be useless for debugging configuration issues. So, hold the common lock when dumping the clock summary. Cc: Paul Walmsley <paul@pwsan.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Todd Poynor <toddpoynor@google.com> [nm at ti.com: added commit message] Signed-off-by: Nishanth Menon <nm@ti.com> [paul at pwsan.com: minor edits to commit message] Signed-off-by: Paul Walmsley <paul@pwsan.com> --- arch/arm/plat-omap/clock.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index 62ec5c4..706b7e2 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -461,6 +461,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused) struct clk *c; struct clk *pa; + mutex_lock(&clocks_mutex); seq_printf(s, "%-30s %-30s %-10s %s\n", "clock-name", "parent-name", "rate", "use-count"); @@ -469,6 +470,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused) seq_printf(s, "%-30s %-30s %-10lu %d\n", c->name, pa ? pa->name : "none", c->rate, c->usecount); } + mutex_unlock(&clocks_mutex); return 0; }
next prev parent reply other threads:[~2012-06-07 6:21 UTC|newest] Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-06-07 6:13 [PATCH 00/11] ARM: OMAP: core/hwmod: first set of fixes for 3.5-rc Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 01/11] ARM: OMAP2+: hwmod: add setup_preprogram hook Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 02/11] ARM: OMAP4+: AESS: enable internal auto-gating during initial setup Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 7:19 ` Tony Lindgren 2012-06-07 7:19 ` Tony Lindgren 2012-06-07 7:31 ` Paul Walmsley 2012-06-07 7:31 ` Paul Walmsley 2012-06-07 7:48 ` Tony Lindgren 2012-06-07 7:48 ` Tony Lindgren 2012-06-07 10:45 ` Paul Walmsley 2012-06-07 10:45 ` Paul Walmsley 2012-06-07 11:08 ` Tony Lindgren 2012-06-07 11:08 ` Tony Lindgren 2012-06-07 6:13 ` [PATCH 03/11] ARM: OMAP4: hwmod data: add SL2IF hardreset line Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 04/11] ARM: OMAP2+: usb_host_fs: add custom reset for usb_host_fs (fsusb) Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 7:31 ` Tony Lindgren 2012-06-07 7:31 ` Tony Lindgren 2012-06-07 7:33 ` Felipe Balbi 2012-06-07 7:33 ` Felipe Balbi 2012-06-07 8:00 ` Tony Lindgren 2012-06-07 8:00 ` Tony Lindgren 2012-06-07 7:40 ` Paul Walmsley 2012-06-07 7:40 ` Paul Walmsley 2012-06-07 7:51 ` Tony Lindgren 2012-06-07 7:51 ` Tony Lindgren 2012-06-07 7:55 ` Felipe Balbi 2012-06-07 7:55 ` Felipe Balbi 2012-06-07 8:02 ` Cousson, Benoit 2012-06-07 8:02 ` Cousson, Benoit 2012-06-07 8:10 ` Tony Lindgren 2012-06-07 8:10 ` Tony Lindgren 2012-06-07 8:14 ` Felipe Balbi 2012-06-07 8:14 ` Felipe Balbi 2012-06-07 10:52 ` Paul Walmsley 2012-06-07 10:52 ` Paul Walmsley 2012-06-07 12:30 ` Cousson, Benoit 2012-06-07 12:30 ` Cousson, Benoit 2012-06-08 1:11 ` Paul Walmsley 2012-06-08 1:11 ` Paul Walmsley 2012-06-08 13:13 ` Cousson, Benoit 2012-06-08 13:13 ` Cousson, Benoit 2012-06-08 13:28 ` Paul Walmsley 2012-06-08 13:28 ` Paul Walmsley 2012-06-08 19:32 ` Hiremath, Vaibhav 2012-06-08 19:32 ` Hiremath, Vaibhav 2012-06-08 23:10 ` AM335x CPSW reset (was "RE: [PATCH 04/11] ARM: OMAP2+: usb_host_fs: add custom reset for usb_host_fs (fsusb)") Paul Walmsley 2012-06-08 23:10 ` Paul Walmsley 2012-06-09 8:39 ` Hiremath, Vaibhav 2012-06-09 8:39 ` Hiremath, Vaibhav 2012-06-09 16:05 ` Paul Walmsley 2012-06-09 16:05 ` Paul Walmsley 2012-06-11 6:15 ` [PATCH 04/11] ARM: OMAP2+: usb_host_fs: add custom reset for usb_host_fs (fsusb) Tony Lindgren 2012-06-11 6:15 ` Tony Lindgren 2012-06-11 8:04 ` Paul Walmsley 2012-06-11 8:04 ` Paul Walmsley 2012-06-11 9:24 ` Cousson, Benoit 2012-06-11 9:24 ` Cousson, Benoit 2012-06-11 16:20 ` Paul Walmsley 2012-06-11 16:20 ` Paul Walmsley 2012-06-07 10:20 ` Paul Walmsley 2012-06-07 10:20 ` Paul Walmsley 2012-06-07 10:52 ` Tony Lindgren 2012-06-07 10:52 ` Tony Lindgren 2012-06-07 22:05 ` Paul Walmsley 2012-06-07 22:05 ` Paul Walmsley 2012-06-08 6:38 ` Tony Lindgren 2012-06-08 6:38 ` Tony Lindgren 2012-06-09 1:31 ` Paul Walmsley 2012-06-09 1:31 ` Paul Walmsley 2012-06-11 6:21 ` Tony Lindgren 2012-06-11 6:21 ` Tony Lindgren 2012-06-07 6:13 ` [PATCH 05/11] ARM: OMAP2+: hwmod code/data: fix 32K sync timer Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:59 ` Hiremath, Vaibhav 2012-06-07 6:59 ` Hiremath, Vaibhav 2012-06-07 7:08 ` Paul Walmsley 2012-06-07 7:08 ` Paul Walmsley 2012-06-07 18:09 ` Hiremath, Vaibhav 2012-06-07 18:09 ` Hiremath, Vaibhav 2012-06-07 20:03 ` Paul Walmsley 2012-06-07 20:03 ` Paul Walmsley 2012-06-08 19:10 ` Hiremath, Vaibhav 2012-06-08 19:10 ` Hiremath, Vaibhav 2012-06-11 9:12 ` Cousson, Benoit 2012-06-11 9:12 ` Cousson, Benoit 2012-06-08 13:22 ` Tero Kristo 2012-06-08 13:22 ` Tero Kristo 2012-06-08 23:18 ` Paul Walmsley 2012-06-08 23:18 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 06/11] ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley [this message] 2012-06-07 6:13 ` [PATCH 07/11] ARM: OMAP: PM: Lock clocks list while generating summary Paul Walmsley 2012-06-07 6:13 ` [PATCH 08/11] ARM: OMAP2+: CM: increase the module disable timeout Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 10/11] ARM: OMAP2+: hwmod: add flag to prevent hwmod code from touching IP block during init Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:13 ` [PATCH 09/11] ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-07 6:39 ` Rajendra Nayak 2012-06-07 6:39 ` Rajendra Nayak 2012-06-18 17:41 ` Paul Walmsley 2012-06-18 17:41 ` Paul Walmsley 2012-06-19 5:15 ` Rajendra Nayak 2012-06-19 5:15 ` Rajendra Nayak 2012-06-07 6:13 ` [PATCH 11/11] ARM: OMAP4: hwmod data: do not enable or reset the McPDM during kernel init Paul Walmsley 2012-06-07 6:13 ` Paul Walmsley 2012-06-08 13:30 ` [PATCH 00/11] ARM: OMAP: core/hwmod: first set of fixes for 3.5-rc Tero Kristo 2012-06-08 13:30 ` Tero Kristo 2012-06-09 1:15 ` Paul Walmsley 2012-06-09 1:15 ` Paul Walmsley 2012-06-13 23:55 ` Paul Walmsley 2012-06-13 23:55 ` Paul Walmsley 2012-06-14 7:36 ` Tero Kristo 2012-06-14 7:36 ` Tero Kristo
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