From 72645eff4b2ad6cf2b016b54f9d6817cca0a621d Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Wed, 6 Oct 2010 07:42:43 -0700 Subject: [PATCH] iwlwifi: schedule to deprecate software scan support Hardware scan is the prefer method for all iwlwifi devices; especially for dual-mode functions. Schedule to deprecate the software scan support in kernel 2.6.40 Signed-off-by: Wey-Yi Guy --- Documentation/feature-removal-schedule.txt | 10 ++++++++++ drivers/net/wireless/iwlwifi/iwl-agn.c | 8 ++++---- drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 +++-- 3 files changed, 17 insertions(+), 6 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index be7030e4dd73..cd89d1e5a6a8 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -563,3 +563,13 @@ Why: superseded by acpi_sleep=nonvs Who: Rafael J. Wysocki ---------------------------- + +What: iwlwifi disable_hw_scan module parameters +When: 2.6.40 +Why: Hareware scan is the prefer method for iwlwifi devices for + scanning operation. Remove software scan support for all the + iwlwifi devices. + +Who: Wey-Yi Guy + +---------------------------- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index e23c554b73a8..e7dc8b92db66 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -4296,9 +4296,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Disabling hardware scan means that mac80211 will perform scans * "the hard way", rather than using device's scan. */ if (cfg->mod_params->disable_hw_scan) { - if (iwl_debug_level & IWL_DL_INFO) - dev_printk(KERN_DEBUG, &(pdev->dev), - "Disabling hw_scan\n"); + dev_printk(KERN_DEBUG, &(pdev->dev), + "sw scan support is deprecated\n"); iwl_hw_ops.hw_scan = NULL; } @@ -4905,7 +4904,8 @@ module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); module_param_named( disable_hw_scan, iwlagn_mod_params.disable_hw_scan, int, S_IRUGO); -MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); +MODULE_PARM_DESC(disable_hw_scan, + "disable hardware scanning (default 0) (deprecated)"); module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int, S_IRUGO); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 116777122a79..8b6aa3d38db0 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3966,7 +3966,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e * "the hard way", rather than using device's scan. */ if (iwl3945_mod_params.disable_hw_scan) { - IWL_DEBUG_INFO(priv, "Disabling hw_scan\n"); + IWL_ERR(priv, "sw scan support is deprecated\n"); iwl3945_hw_ops.hw_scan = NULL; } @@ -4291,7 +4291,8 @@ MODULE_PARM_DESC(debug, "debug output mask"); #endif module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, S_IRUGO); -MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); +MODULE_PARM_DESC(disable_hw_scan, + "disable hardware scanning (default 0) (deprecated)"); module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, S_IRUGO); MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error"); -- 2.30.2