[v2,10/13] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain
diff mbox

Message ID 20170123210958.18410-11-hdegoede@redhat.com
State Awaiting Upstream
Headers show

Commit Message

Hans de Goede Jan. 23, 2017, 9:09 p.m. UTC
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(+)

Comments

Jarkko Nikula Jan. 27, 2017, 11:35 a.m. UTC | #1
On 01/23/2017 11:09 PM, Hans de Goede wrote:
> 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(+)
>

Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
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Patch
diff mbox

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