linux-kernel - [PATCH 6/8] platform/x86/intel/pmc/arl: Add GBE LTR ignore during suspend

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Message-Id: <20231223032548.1680738-7-david.e.box@linux.intel.com>
Date: Fri, 22 Dec 2023 19:25:46 -0800
From: "David E. Box" <david.e.box@...ux.intel.com>
To: david.e.box@...ux.intel.com,
	hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	rajvi.jingar@...ux.intel.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/8] platform/x86/intel/pmc/arl: Add GBE LTR ignore during suspend

Add the GBE LTR ignore suspend time fix for Arrow Lake.

Fixes: f34dcf397286 ("platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver")
Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
---
 drivers/platform/x86/intel/pmc/arl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
index 31e1fa538e32..ae3a9a96f845 100644
--- a/drivers/platform/x86/intel/pmc/arl.c
+++ b/drivers/platform/x86/intel/pmc/arl.c
@@ -685,6 +685,8 @@ void arl_d3_fixup(void)
 int arl_resume(struct pmc_dev *pmcdev)
 {
 	arl_d3_fixup();
+	pmc_core_send_ltr_ignore(pmcdev, 3, 0);
+
 	return pmc_core_resume_common(pmcdev);
 }
 
@@ -696,6 +698,7 @@ int arl_core_init(struct pmc_dev *pmcdev)
 	bool ssram_init = true;
 
 	arl_d3_fixup();
+	pmcdev->suspend = cnl_suspend;
 	pmcdev->resume = arl_resume;
 	pmcdev->regmap_list = arl_pmc_info_list;
 
-- 
2.34.1