From: Don Fry Date: Thu, 10 Nov 2011 14:55:09 +0000 (-0800) Subject: iwlagn: push knowledge of ucode image lower down X-Git-Tag: v3.3-rc1~182^2~44^2~441 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=baa0005663d6b4aa48ab5c632d74b459fcfeb086;p=platform%2Fkernel%2Flinux-3.10.git iwlagn: push knowledge of ucode image lower down Move the knowledge of the ucode image to lower level routines. Also do not pass the iwl_priv structure lower than it needs to be. Signed-off-by: Don Fry Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index 1ad4af4..9144ef5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -142,9 +142,16 @@ static inline struct fw_img *iwl_get_ucode_image(struct iwl_priv *priv, } static int iwlagn_load_given_ucode(struct iwl_priv *priv, - struct fw_img *image) + enum iwlagn_ucode_type ucode_type) { int ret = 0; + struct fw_img *image = iwl_get_ucode_image(priv, ucode_type); + + + if (!image) { + IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type); + return -EINVAL; + } ret = iwlagn_load_section(trans(priv), "INST", &image->code, IWLAGN_RTC_INST_LOWER_BOUND); @@ -435,7 +442,7 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_priv *priv, +static int iwl_verify_inst_sparse(struct iwl_bus *bus, struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -443,15 +450,15 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, u32 val; u32 i; - IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, i + IWLAGN_RTC_INST_LOWER_BOUND); - val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; } @@ -459,7 +466,7 @@ static int iwl_verify_inst_sparse(struct iwl_priv *priv, return 0; } -static void iwl_print_mismatch_inst(struct iwl_priv *priv, +static void iwl_print_mismatch_inst(struct iwl_bus *bus, struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; @@ -468,18 +475,18 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, u32 offs; int errors = 0; - IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); - iwl_write_direct32(bus(priv), HBUS_TARG_MEM_RADDR, + iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, IWLAGN_RTC_INST_LOWER_BOUND); for (offs = 0; offs < len && errors < 20; offs += sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ - val = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { - IWL_ERR(priv, "uCode INST section at " + IWL_ERR(bus, "uCode INST section at " "offset 0x%x, is 0x%x, s/b 0x%x\n", offs, val, le32_to_cpu(*image)); errors++; @@ -491,16 +498,24 @@ static void iwl_print_mismatch_inst(struct iwl_priv *priv, * iwl_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_priv *priv, struct fw_img *img) +static int iwl_verify_ucode(struct iwl_priv *priv, + enum iwlagn_ucode_type ucode_type) { - if (!iwl_verify_inst_sparse(priv, &img->code)) { + struct fw_img *img = iwl_get_ucode_image(priv, ucode_type); + + if (!img) { + IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type); + return -EINVAL; + } + + if (!iwl_verify_inst_sparse(bus(priv), &img->code)) { IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); return 0; } IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(priv, &img->code); + iwl_print_mismatch_inst(bus(priv), &img->code); return -EIO; } @@ -542,12 +557,6 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, struct iwlagn_alive_data alive_data; int ret; enum iwlagn_ucode_type old_type; - struct fw_img *image = iwl_get_ucode_image(priv, ucode_type); - - if (!image) { - IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type); - return -EINVAL; - } ret = iwl_trans_start_device(trans(priv)); if (ret) @@ -559,7 +568,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, old_type = priv->ucode_type; priv->ucode_type = ucode_type; - ret = iwlagn_load_given_ucode(priv, image); + ret = iwlagn_load_given_ucode(priv, ucode_type); if (ret) { priv->ucode_type = old_type; iwlagn_remove_notification(priv, &alive_wait); @@ -590,7 +599,7 @@ int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv, * skip it for WoWLAN. */ if (ucode_type != IWL_UCODE_WOWLAN) { - ret = iwl_verify_ucode(priv, image); + ret = iwl_verify_ucode(priv, ucode_type); if (ret) { priv->ucode_type = old_type; return ret;