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iwlwifi: pcie: add workaround for power gating in integrated 22000

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Add a workaround that forces power gating to be enabled on integrated
22000 devices.  This improves power saving in certain situations.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Luca Coelho
2019-10-19 13:03:30 +03:00
committed by Kalle Valo
parent 91cf5dede5
commit 9a47cb9883
3 changed files with 31 additions and 0 deletions
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5
drivers/net/wireless/intel/iwlwifi/iwl-prph.h
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@@ -449,6 +449,11 @@ enum {
#define PERSISTENCE_BIT BIT(12)
#define PREG_WFPM_ACCESS BIT(12)
#define HPM_HIPM_GEN_CFG 0xA03458
#define HPM_HIPM_GEN_CFG_CR_PG_EN BIT(0)
#define HPM_HIPM_GEN_CFG_CR_SLP_EN BIT(1)
#define HPM_HIPM_GEN_CFG_CR_FORCE_ACTIVE BIT(10)
#define UREG_DOORBELL_TO_ISR6 0xA05C04
#define UREG_DOORBELL_TO_ISR6_NMI_BIT BIT(0)
#define UREG_DOORBELL_TO_ISR6_SUSPEND BIT(18)