linux-kernel - [PATCHv3 2/3] iwlwifi: use DRIVER_DATA_REQ_NO_CACHE for driver

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Message-Id: <1497653911-11944-3-git-send-email-yi1.li@linux.intel.com>
Date:   Fri, 16 Jun 2017 17:58:30 -0500
From:   yi1.li@...ux.intel.com
To:     mcgrof@...nel.org
Cc:     gregkh@...uxfoundation.org, atull@...nel.org, wagi@...om.org,
        dwmw2@...radead.org, rafal@...ecki.pl,
        arend.vanspriel@...adcom.com, rjw@...ysocki.net,
        moritz.fischer@...us.com, pmladek@...e.com,
        johannes.berg@...el.com, emmanuel.grumbach@...el.com,
        luciano.coelho@...el.com, kvalo@...eaurora.org, luto@...nel.org,
        takahiro.akashi@...aro.org, dhowells@...hat.com, pjones@...hat.com,
        linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
        Yi Li <yi1.li@...ux.intel.com>
Subject: [PATCHv3 2/3] iwlwifi: use DRIVER_DATA_REQ_NO_CACHE for driver_data

From: Yi Li <yi1.li@...ux.intel.com>

Set DRIVER_DATA_REQ_NO_CACHE flag to disable driver_data driver caching
mechanism, iwlwifi has its own firmware cache management.

Signed-off-by: Yi Li <yi1.li@...ux.intel.com>
---
 drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 028854d3..db4d6fc 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -229,6 +229,8 @@ static int iwl_request_firmware(struct iwl_drv *drv)
 	const struct driver_data_req_params req_params = {
 		DRIVER_DATA_API_CB(iwl_req_fw_callback, drv),
 		DRIVER_DATA_API(cfg->ucode_api_min, cfg->ucode_api_max, ".ucode"),
+		.reqs = DRIVER_DATA_REQ_NO_CACHE |
+			DRIVER_DATA_REQ_USE_API_VERSIONING,
 	};
 
 	return driver_data_request_async(name_pre,
-- 
2.7.4