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: [PATCHv2 01/12] ARM: OMAP: PM: Lock clocks list while generating summary Date: Sun, 10 Jun 2012 18:45:55 -0600 [thread overview] Message-ID: <20120611004551.20034.18632.stgit@dusk> (raw) In-Reply-To: <20120611004502.20034.8840.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: [PATCHv2 01/12] ARM: OMAP: PM: Lock clocks list while generating summary Date: Sun, 10 Jun 2012 18:45:55 -0600 [thread overview] Message-ID: <20120611004551.20034.18632.stgit@dusk> (raw) In-Reply-To: <20120611004502.20034.8840.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:[~2012-06-11 0:52 UTC|newest] Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-06-11 0:45 [PATCHv2 00/12] ARM: OMAP: core/hwmod: first set of fixes for 3.5-rc Paul Walmsley 2012-06-11 0:45 ` Paul Walmsley 2012-06-11 0:45 ` Paul Walmsley [this message] 2012-06-11 0:45 ` [PATCHv2 01/12] ARM: OMAP: PM: Lock clocks list while generating summary Paul Walmsley 2012-06-11 0:45 ` [PATCHv2 02/12] ARM: OMAP2+: hwmod code/data: fix 32K sync timer Paul Walmsley 2012-06-11 0:45 ` Paul Walmsley 2012-06-14 16:47 ` Cousson, Benoit 2012-06-14 16:47 ` Cousson, Benoit 2012-06-14 18:04 ` Paul Walmsley 2012-06-14 18:04 ` Paul Walmsley 2012-06-14 20:13 ` Cousson, Benoit 2012-06-14 20:13 ` Cousson, Benoit 2012-06-15 0:18 ` Paul Walmsley 2012-06-15 0:18 ` Paul Walmsley 2012-06-15 13:28 ` Cousson, Benoit 2012-06-15 13:28 ` Cousson, Benoit 2012-07-04 12:48 ` Paul Walmsley 2012-07-04 12:48 ` Paul Walmsley 2012-07-04 12:53 ` Paul Walmsley 2012-07-04 12:53 ` Paul Walmsley 2012-07-04 14:27 ` Kevin Hilman 2012-07-04 14:27 ` Kevin Hilman 2012-07-04 14:53 ` Paul Walmsley 2012-07-04 14:53 ` Paul Walmsley 2012-07-04 16:14 ` Benoit Cousson 2012-07-04 16:14 ` Benoit Cousson 2012-07-04 16:41 ` Tero Kristo 2012-07-04 16:41 ` Tero Kristo 2012-07-04 16:43 ` Benoit Cousson 2012-07-04 16:43 ` Benoit Cousson 2012-07-04 19:02 ` Paul Walmsley 2012-07-04 19:02 ` Paul Walmsley 2012-07-04 16:57 ` Benoit Cousson 2012-07-04 16:57 ` Benoit Cousson 2012-07-04 18:59 ` Paul Walmsley 2012-07-04 18:59 ` Paul Walmsley 2012-07-05 22:06 ` Kevin Hilman 2012-07-05 22:06 ` Kevin Hilman 2012-07-04 16:01 ` Benoit Cousson 2012-07-04 16:01 ` Benoit Cousson 2012-07-04 19:05 ` Paul Walmsley 2012-07-04 19:05 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 03/12] ARM: OMAP4+: hwmod: fix issue causing IPs not going back to Smart-Standby Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 04/12] ARM: OMAP4: hwmod data: fix 32k sync timer idle modes Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 9:31 ` Cousson, Benoit 2012-06-11 9:31 ` Cousson, Benoit 2012-06-13 17:22 ` Paul Walmsley 2012-06-13 17:22 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 05/12] ARM: OMAP2+: hwmod: add setup_preprogram hook Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 06/12] ARM: OMAP2+: hwmod: add flag to prevent hwmod code from touching IP block during init Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 07/12] ARM: OMAP4+: AESS: enable internal auto-gating during initial setup Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 6:29 ` Tony Lindgren 2012-06-11 6:29 ` Tony Lindgren 2012-06-14 9:49 ` Paul Walmsley 2012-06-14 9:49 ` Paul Walmsley 2012-06-14 9:59 ` Tony Lindgren 2012-06-14 9:59 ` Tony Lindgren 2012-06-11 0:46 ` [PATCHv2 08/12] ARM: OMAP4: hwmod data: add SL2IF hardreset line Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-14 12:55 ` Cousson, Benoit 2012-06-14 12:55 ` Cousson, Benoit 2012-06-14 17:09 ` Paul Walmsley 2012-06-14 17:09 ` Paul Walmsley 2012-06-14 21:07 ` Cousson, Benoit 2012-06-14 21:07 ` Cousson, Benoit 2012-06-14 23:02 ` Paul Walmsley 2012-06-14 23:02 ` Paul Walmsley 2012-06-15 9:11 ` Cousson, Benoit 2012-06-15 9:11 ` Cousson, Benoit 2012-06-11 0:46 ` [PATCHv2 09/12] ARM: OMAP2+: usb_host_fs: add custom setup_preprogram for usb_host_fs (fsusb) Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 6:34 ` Tony Lindgren 2012-06-11 6:34 ` Tony Lindgren 2012-06-11 7:13 ` Felipe Balbi 2012-06-11 7:13 ` Felipe Balbi 2012-06-11 7:41 ` Tony Lindgren 2012-06-11 7:41 ` Tony Lindgren 2012-06-11 7:48 ` Felipe Balbi 2012-06-11 7:48 ` Felipe Balbi 2012-06-11 8:03 ` Tony Lindgren 2012-06-11 8:03 ` Tony Lindgren 2012-06-11 9:12 ` Felipe Balbi 2012-06-11 9:12 ` Felipe Balbi 2012-06-11 0:46 ` [PATCHv2 10/12] ARM: OMAP2+: CM: increase the module disable timeout Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 0:46 ` [PATCHv2 11/12] ARM: OMAP4: clock data: add clockdomains for clocks used as main clocks Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 16:28 ` Cousson, Benoit 2012-06-11 16:28 ` Cousson, Benoit 2012-06-11 16:59 ` Paul Walmsley 2012-06-11 16:59 ` Paul Walmsley 2012-06-11 20:15 ` Cousson, Benoit 2012-06-11 20:15 ` Cousson, Benoit 2012-06-11 0:46 ` [PATCHv2 12/12] ARM: OMAP4: hwmod data: do not enable or reset the McPDM during kernel init Paul Walmsley 2012-06-11 0:46 ` Paul Walmsley 2012-06-11 9:54 ` Cousson, Benoit 2012-06-11 9:54 ` Cousson, Benoit 2012-10-30 4:05 ` Paul Walmsley 2012-10-30 4:05 ` Paul Walmsley 2012-10-30 7:41 ` Péter Ujfalusi 2012-10-30 7:41 ` Péter Ujfalusi
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