From: Hans de Goede <hdegoede@redhat.com>
To: 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>
Cc: "Mika Westerberg" <mika.westerberg@linux.intel.com>,
"Jani Nikula" <jani.nikula@linux.intel.com>,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Takashi Iwai" <tiwai@suse.de>,
"russianneuromancer @ ya . ru" <russianneuromancer@ya.ru>,
linux-i2c@vger.kernel.org,
intel-gfx <intel-gfx@lists.freedesktop.org>,
"Hans de Goede" <hdegoede@redhat.com>
Subject: [PATCH v4 2/5] i2c: designware-baytrail: Pass dw_i2c_dev into helper functions
Date: Mon, 12 Dec 2016 22:56:09 +0100 [thread overview]
Message-ID: <20161212215612.9262-2-hdegoede@redhat.com> (raw)
In-Reply-To: <20161212215612.9262-1-hdegoede@redhat.com>
Pass dw_i2c_dev into the helper functions, this is a preparation patch
for the punit semaphore fixes done in the other patches in this set.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
---
drivers/i2c/busses/i2c-designware-baytrail.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c b/drivers/i2c/busses/i2c-designware-baytrail.c
index 1590ad0..a3f581c 100644
--- a/drivers/i2c/busses/i2c-designware-baytrail.c
+++ b/drivers/i2c/busses/i2c-designware-baytrail.c
@@ -28,14 +28,14 @@
static unsigned long acquired;
-static int get_sem(struct device *dev, u32 *sem)
+static int get_sem(struct dw_i2c_dev *dev, u32 *sem)
{
u32 data;
int ret;
ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data);
if (ret) {
- dev_err(dev, "iosf failed to read punit semaphore\n");
+ dev_err(dev->dev, "iosf failed to read punit semaphore\n");
return ret;
}
@@ -44,18 +44,18 @@ static int get_sem(struct device *dev, u32 *sem)
return 0;
}
-static void reset_semaphore(struct device *dev)
+static void reset_semaphore(struct dw_i2c_dev *dev)
{
u32 data;
if (iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data)) {
- dev_err(dev, "iosf failed to reset punit semaphore during read\n");
+ dev_err(dev->dev, "iosf failed to reset punit semaphore during read\n");
return;
}
data &= ~PUNIT_SEMAPHORE_BIT;
if (iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, PUNIT_SEMAPHORE, data))
- dev_err(dev, "iosf failed to reset punit semaphore during write\n");
+ dev_err(dev->dev, "iosf failed to reset punit semaphore during write\n");
}
static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
@@ -83,7 +83,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
start = jiffies;
end = start + msecs_to_jiffies(SEMAPHORE_TIMEOUT);
do {
- ret = get_sem(dev->dev, &sem);
+ ret = get_sem(dev, &sem);
if (!ret && sem) {
acquired = jiffies;
dev_dbg(dev->dev, "punit semaphore acquired after %ums\n",
@@ -95,7 +95,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
} while (time_before(jiffies, end));
dev_err(dev->dev, "punit semaphore timed out, resetting\n");
- reset_semaphore(dev->dev);
+ reset_semaphore(dev);
ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &sem);
if (ret)
@@ -116,7 +116,7 @@ static void baytrail_i2c_release(struct dw_i2c_dev *dev)
if (!dev->acquire_lock)
return;
- reset_semaphore(dev->dev);
+ reset_semaphore(dev);
dev_dbg(dev->dev, "punit semaphore held for %ums\n",
jiffies_to_msecs(jiffies - acquired));
}
--
2.9.3
next prev parent reply other threads:[~2016-12-12 21:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-12 21:56 [PATCH v4 1/5] i2c: designware: Rename accessor_flags to flags Hans de Goede
2016-12-12 21:56 ` Hans de Goede [this message]
2016-12-12 21:56 ` [PATCH v4 3/5] i2c: designware-baytrail: Only check iosf_mbi_available() for shared hosts Hans de Goede
2016-12-12 21:56 ` [PATCH v4 4/5] i2c: designware-baytrail: Disallow the CPU to enter C6 or C7 while holding the punit semaphore Hans de Goede
2016-12-13 9:56 ` Andy Shevchenko
2016-12-13 12:21 ` Hans de Goede
2016-12-13 12:34 ` Andy Shevchenko
2016-12-13 13:42 ` Jarkko Nikula
2016-12-12 21:56 ` [PATCH v4 5/5] i2c: designware-baytrail: Add support for cherrytrail Hans de Goede
2016-12-13 13:45 ` Jarkko Nikula
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