diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 100bd0d79681a81616109f433e7f6f815d0b575d..fc3b6bee77344491fab3e66ef9507a78bb3d0add 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -105,6 +105,13 @@ /* Device NMI register */ #define DEVICE_SET_NMI_REG 0x00a01c30 +/* + * Device reset for family 8000 + * write to bit 24 in order to reset the CPU +*/ +#define RELEASE_CPU_RESET (0x300C) +#define RELEASE_CPU_RESET_BIT BIT(24) + /***************************************************************************** * 7000/3000 series SHR DTS addresses * *****************************************************************************/ diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index f7e85d3192990574b0d3bdce271bfd060fc7fa65..53a34573f0f033ae9bddd684ac7c4b05d0dd7d17 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -573,6 +573,12 @@ static int iwl_pcie_load_given_ucode(struct iwl_trans *trans, } } + /* release CPU reset */ + if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + iwl_write_prph(trans, RELEASE_CPU_RESET, RELEASE_CPU_RESET_BIT); + else + iwl_write32(trans, CSR_RESET, 0); + return 0; }