platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend

mainline:6f9fac5535ba2038063c656f0afb496d7f87bcc1
severity: Moderate

upstream commit 6f9fac5 ("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")

Intel-SIG: commit 6f9fac5 ("platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend")

Signed-off-by: David E. Box <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
[ Quanxian Wang: amend commit log ]
Signed-off-by: Quanxian Wang <[email protected]>

drivers/platform/x86/intel/pmc/lnl.c

@@ -509,6 +509,8 @@ static void lnl_d3_fixup(void)
 static 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);