[PATCH 4/7] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxx>
Tested-by: tagorereddy <tagore.chandan@xxxxxxxxx>
---
 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 cf7a2a0..e8cf10a 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_unlock();
 }
 
@@ -82,6 +84,8 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 		return 0;
 
 	iosf_mbi_punit_lock();
+	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

--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux GPIO]     [Linux SPI]     [Linux Hardward Monitoring]     [LM Sensors]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux