Return-path: Received: from mail-we0-f177.google.com ([74.125.82.177]:65359 "EHLO mail-we0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752388AbaEGTxt (ORCPT ); Wed, 7 May 2014 15:53:49 -0400 Received: by mail-we0-f177.google.com with SMTP id x48so1495548wes.22 for ; Wed, 07 May 2014 12:53:48 -0700 (PDT) From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Eran Harary , Emmanuel Grumbach Subject: [PATCH 10/23] iwlwifi: mvm: fix bug with OTP memory size Date: Wed, 7 May 2014 22:52:47 +0300 Message-Id: <1399492380-12050-10-git-send-email-egrumbach@gmail.com> (sfid-20140507_215405_391731_C946B721) In-Reply-To: <536A8EE3.2050906@gmail.com> References: <536A8EE3.2050906@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Eran Harary OTP size changed in family 7000 and in family 8000. Signed-off-by: Eran Harary Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-7000.c | 2 +- drivers/net/wireless/iwlwifi/iwl-8000.c | 2 +- drivers/net/wireless/iwlwifi/iwl-agn-hw.h | 4 +--- drivers/net/wireless/iwlwifi/iwl-config.h | 5 +++++ drivers/net/wireless/iwlwifi/mvm/nvm.c | 1 - 5 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index f73de23..4873006 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -98,7 +98,7 @@ #define NVM_HW_SECTION_NUM_FAMILY_7000 0 static const struct iwl_base_params iwl7000_base_params = { - .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_7000, .num_of_queues = IWLAGN_NUM_QUEUES, .pll_cfg_val = 0, .shadow_ram_support = true, diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index f5bd82b..b26b68c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -85,7 +85,7 @@ #define NVM_HW_SECTION_NUM_FAMILY_8000 10 static const struct iwl_base_params iwl8000_base_params = { - .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_8000, .num_of_queues = IWLAGN_NUM_QUEUES, .pll_cfg_val = 0, .shadow_ram_support = true, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h index 7f37fb8..04a483d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h @@ -102,9 +102,7 @@ /* EEPROM */ #define IWLAGN_EEPROM_IMG_SIZE 2048 -/* OTP */ -/* lower blocks contain EEPROM image and calibration data */ -#define OTP_LOW_IMAGE_SIZE (2 * 512 * sizeof(u16)) /* 2 KB */ + /* high blocks contain PAPD data */ #define OTP_HIGH_IMAGE_SIZE_6x00 (6 * 512 * sizeof(u16)) /* 6 KB */ #define OTP_HIGH_IMAGE_SIZE_1000 (0x200 * sizeof(u16)) /* 1024 bytes */ diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 7ce82d9..b73eac9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -193,6 +193,11 @@ struct iwl_ht_params { #define EEPROM_6000_REG_BAND_24_HT40_CHANNELS 0x80 #define EEPROM_REGULATORY_BAND_NO_HT40 0 +/* lower blocks contain EEPROM image and calibration data */ +#define OTP_LOW_IMAGE_SIZE (2 * 512 * sizeof(u16)) /* 2 KB */ +#define OTP_LOW_IMAGE_SIZE_FAMILY_7000 (4 * 512 * sizeof(u16)) /* 4 KB */ +#define OTP_LOW_IMAGE_SIZE_FAMILY_8000 (32 * 512 * sizeof(u16)) /* 32 KB */ + struct iwl_eeprom_params { const u8 regulatory_bands[7]; bool enhanced_txpower; diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c index cf2d09f..4092422 100644 --- a/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -463,7 +463,6 @@ int iwl_nvm_init(struct iwl_mvm *mvm) /* Read From FW NVM */ IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n"); - /* TODO: find correct NVM max size for a section */ nvm_buffer = kmalloc(mvm->cfg->base_params->eeprom_size, GFP_KERNEL); if (!nvm_buffer) -- 1.8.3.2