From: Hans de Goede <hdegoede@redhat.com>
To: "Daniel Vetter" <daniel.vetter@intel.com>,
"Jani Nikula" <jani.nikula@linux.intel.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Jarkko Nikula" <jarkko.nikula@linux.intel.com>,
"Wolfram Sang" <wsa@the-dreams.de>, "Len Brown" <lenb@kernel.org>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"H . Peter Anvin" <hpa@zytor.com>
Cc: Hans de Goede <hdegoede@redhat.com>,
intel-gfx <intel-gfx@lists.freedesktop.org>,
dri-devel@lists.freedesktop.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Takashi Iwai <tiwai@suse.de>,
"russianneuromancer @ ya . ru" <russianneuromancer@ya.ru>,
linux-i2c@vger.kernel.org
Subject: [PATCH v2 10/13] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain
Date: Mon, 23 Jan 2017 22:09:55 +0100 [thread overview]
Message-ID: <20170123210958.18410-11-hdegoede@redhat.com> (raw)
In-Reply-To: <20170123210958.18410-1-hdegoede@redhat.com>
Call the iosf_mbi pmic_bus_access_notifier_chain on bus acquire / release.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=155241
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: tagorereddy <tagore.chandan@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
---
Changes in v2:
-Spelling: P-Unit, PMIC
---
drivers/i2c/busses/i2c-designware-baytrail.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c b/drivers/i2c/busses/i2c-designware-baytrail.c
index 7eddc3b..1749a0f 100644
--- a/drivers/i2c/busses/i2c-designware-baytrail.c
+++ b/drivers/i2c/busses/i2c-designware-baytrail.c
@@ -63,6 +63,8 @@ static void reset_semaphore(struct dw_i2c_dev *dev)
pm_qos_update_request(&dev->pm_qos, PM_QOS_DEFAULT_VALUE);
+ iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACCESS_END,
+ NULL);
iosf_mbi_punit_release();
}
@@ -82,6 +84,8 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
return 0;
iosf_mbi_punit_acquire();
+ iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACCESS_BEGIN,
+ NULL);
/*
* Disallow the CPU to enter C6 or C7 state, entering these states
--
2.9.3
next prev parent reply other threads:[~2017-01-23 21:10 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 21:09 [PATCH v2 00/13] coordinate cht i2c-pmic and i915-punit accesses Hans de Goede
2017-01-23 21:09 ` [PATCH v2 01/13] x86/platform/intel/iosf_mbi: Add a mutex for P-Unit access Hans de Goede
2017-01-23 21:09 ` [PATCH v2 02/13] x86/platform/intel/iosf_mbi: Add a PMIC bus access notifier Hans de Goede
2017-01-23 21:09 ` [PATCH v2 03/13] i2c: designware: Rename accessor_flags to flags Hans de Goede
2017-01-23 21:09 ` [PATCH v2 04/13] i2c: designware-baytrail: Pass dw_i2c_dev into helper functions Hans de Goede
2017-01-23 21:09 ` [PATCH v2 05/13] i2c: designware-baytrail: Only check iosf_mbi_available() for shared hosts Hans de Goede
2017-01-23 21:09 ` [PATCH v2 06/13] i2c: designware-baytrail: Disallow the CPU to enter C6 or C7 while holding the punit semaphore Hans de Goede
2017-01-24 9:51 ` Andy Shevchenko
2017-01-24 16:48 ` Hans de Goede
2017-01-23 21:09 ` [PATCH v2 07/13] i2c: designware-baytrail: Fix race when resetting the semaphore Hans de Goede
2017-01-23 21:09 ` [PATCH v2 08/13] i2c: designware-baytrail: Add support for cherrytrail Hans de Goede
2017-01-23 21:09 ` [PATCH v2 09/13] i2c: designware-baytrail: Acquire P-Unit access on bus acquire Hans de Goede
2017-01-27 11:29 ` Jarkko Nikula
2017-01-23 21:09 ` Hans de Goede [this message]
2017-01-27 11:35 ` [PATCH v2 10/13] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain Jarkko Nikula
2017-01-23 21:09 ` [PATCH v2 11/13] drm/i915: Add intel_uncore_suspend / resume functions Hans de Goede
2017-01-27 13:45 ` Ville Syrjälä
2017-01-28 16:05 ` Hans de Goede
2017-01-23 21:09 ` [PATCH v2 12/13] drm/i915: Listen for PMIC bus access notifications Hans de Goede
2017-01-27 13:52 ` Ville Syrjälä
2017-01-28 17:39 ` Hans de Goede
2017-01-23 21:09 ` [PATCH v2 13/13] drm/i915: Acquire P-Unit access when modifying P-Unit settings Hans de Goede
2017-01-27 13:51 ` Ville Syrjälä
2017-01-28 16:25 ` Hans de Goede
2017-01-28 17:18 ` Hans de Goede
2017-01-30 13:10 ` Ville Syrjälä
2017-01-30 15:02 ` Hans de Goede
2017-01-30 15:11 ` Ville Syrjälä
2017-01-30 15:27 ` Hans de Goede
2017-01-30 15:38 ` Ville Syrjälä
2017-01-30 16:33 ` Hans de Goede
2017-02-10 10:19 ` Hans de Goede
2017-01-25 20:18 ` [PATCH v2 00/13] coordinate cht i2c-pmic and i915-punit accesses Wolfram Sang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170123210958.18410-11-hdegoede@redhat.com \
--to=hdegoede@redhat.com \
--cc=andriy.shevchenko@linux.intel.com \
--cc=daniel.vetter@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=hpa@zytor.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jani.nikula@linux.intel.com \
--cc=jarkko.nikula@linux.intel.com \
--cc=lenb@kernel.org \
--cc=linux-i2c@vger.kernel.org \
--cc=mika.westerberg@linux.intel.com \
--cc=russianneuromancer@ya.ru \
--cc=tglx@linutronix.de \
--cc=tiwai@suse.de \
--cc=ville.syrjala@linux.intel.com \
--cc=wsa@the-dreams.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).