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Commit d93a6ed3 authored by Hans de Goede's avatar Hans de Goede Committed by Daniel Vetter
Browse files

i2c: designware-baytrail: Call pmic_bus_access_notifier_chain 

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: default avatarHans de Goede <hdegoede@redhat.com>
Tested-by: default avatartagorereddy <tagore.chandan@gmail.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarWolfram Sang <wsa@the-dreams.de>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170210102802.20898-11-hdegoede@redhat.com
parent 5b2cacce

drivers/i2c/busses/i2c-designware-baytrail.c

+4 −0
Original line number Diff line number Diff line
@@ -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