linux-kernel - [PATCH 7/8] platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend

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Message-Id: <20231223032548.1680738-8-david.e.box@linux.intel.com>
Date: Fri, 22 Dec 2023 19:25:47 -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 7/8] platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend

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

Fixes: 119652b855e6 ("platform/x86/intel/pmc: Add Lunar Lake M support to intel_pmc_core driver")
Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
---
 drivers/platform/x86/intel/pmc/lnl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/lnl.c b/drivers/platform/x86/intel/pmc/lnl.c
index fe97ad09a1a6..eb350d64efdf 100644
--- a/drivers/platform/x86/intel/pmc/lnl.c
+++ b/drivers/platform/x86/intel/pmc/lnl.c
@@ -509,6 +509,8 @@ void lnl_d3_fixup(void)
 int lnl_resume(struct pmc_dev *pmcdev)
 {
 	lnl_d3_fixup();
+	pmc_core_send_ltr_ignore(pmcdev, 3, 0);
+
 	return pmc_core_resume_common(pmcdev);
 }
 
@@ -521,6 +523,7 @@ int lnl_core_init(struct pmc_dev *pmcdev)
 
 	lnl_d3_fixup();
 
+	pmcdev->suspend = cnl_suspend;
 	pmcdev->resume = lnl_resume;
 	pmcdev->regmap_list = lnl_pmc_info_list;
 	ret = pmc_core_ssram_init(pmcdev, func);
-- 
2.34.1