The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 34bc27783a31a05d2fb987d8fa0f4f702efd0359 Mon Sep 17 00:00:00 2001 From: Rotem Saado rotem.saado@intel.com Date: Sat, 29 Jan 2022 13:16:12 +0200 Subject: [PATCH] iwlwifi: yoyo: fix DBGI_SRAM ini dump header.

DBGI SRAM is new type of monitor, therefore it should be dump as monitor type with ini dump monitor header.

Signed-off-by: Rotem Saado rotem.saado@intel.com Fixes: 89639e06d0f3 ("iwlwifi: yoyo: support for new DBGI_SRAM region") Signed-off-by: Luca Coelho luciano.coelho@intel.com Link: https://lore.kernel.org/r/iwlwifi.20220129105618.6c31f6a2dcfc.If311c1d548bc5... Signed-off-by: Luca Coelho luciano.coelho@intel.com

diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index 7fb209ec442d..22f33c074ac9 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -300,6 +300,12 @@ static const struct iwl_ht_params iwl_22000_ht_params = { .addr = DBGC_CUR_DBGBUF_STATUS, \ .mask = DBGC_CUR_DBGBUF_STATUS_IDX_MSK, \ }, \ + }, \ + .mon_dbgi_regs = { \ + .write_ptr = { \ + .addr = DBGI_SRAM_FIFO_POINTERS, \ + .mask = DBGI_SRAM_FIFO_POINTERS_WR_PTR_MSK, \ + }, \ }

const struct iwl_cfg_trans_params iwl_qnj_trans_cfg = { diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 5c0d094887fc..101d9085e835 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1696,6 +1696,17 @@ iwl_dump_ini_mon_smem_fill_header(struct iwl_fw_runtime *fwrt, &fwrt->trans->cfg->mon_smem_regs); }

+static void * +iwl_dump_ini_mon_dbgi_fill_header(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *data, u32 data_len) +{ + struct iwl_fw_ini_monitor_dump *mon_dump = (void *)data; + + return iwl_dump_ini_mon_fill_header(fwrt, reg_data, mon_dump, + &fwrt->trans->cfg->mon_dbgi_regs); +} + static void * iwl_dump_ini_err_table_fill_header(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_region_data *reg_data, @@ -1861,6 +1872,20 @@ iwl_dump_ini_mon_smem_get_size(struct iwl_fw_runtime *fwrt, return size; }

+static u32 iwl_dump_ini_mon_dbgi_get_size(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + u32 size = le32_to_cpu(reg->dev_addr.size); + u32 ranges = iwl_dump_ini_mem_ranges(fwrt, reg_data); + + if (!size || !ranges) + return 0; + + return sizeof(struct iwl_fw_ini_monitor_dump) + ranges * + (size + sizeof(struct iwl_fw_ini_error_dump_range)); +} + static u32 iwl_dump_ini_txf_get_size(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_region_data *reg_data) { @@ -2285,8 +2310,8 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { }, [IWL_FW_INI_REGION_DBGI_SRAM] = { .get_num_of_ranges = iwl_dump_ini_mem_ranges, - .get_size = iwl_dump_ini_mem_get_size, - .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .get_size = iwl_dump_ini_mon_dbgi_get_size, + .fill_mem_hdr = iwl_dump_ini_mon_dbgi_fill_header, .fill_range = iwl_dump_ini_dbgi_sram_iter, }, }; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index f46ec44da1eb..2eb7f87672b4 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -408,6 +408,7 @@ struct iwl_cfg { u32 min_ba_txq_size; const struct iwl_fw_mon_regs mon_dram_regs; const struct iwl_fw_mon_regs mon_smem_regs; + const struct iwl_fw_mon_regs mon_dbgi_regs; };

#define IWL_CFG_ANY (~0) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h index 95b3dae7b504..186e22c4e6c4 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h @@ -358,6 +358,8 @@ #define DBGI_SRAM_TARGET_ACCESS_CFG_RESET_ADDRESS_MSK 0x10000 #define DBGI_SRAM_TARGET_ACCESS_RDATA_LSB 0x00A2E154 #define DBGI_SRAM_TARGET_ACCESS_RDATA_MSB 0x00A2E158 +#define DBGI_SRAM_FIFO_POINTERS 0x00A2E148 +#define DBGI_SRAM_FIFO_POINTERS_WR_PTR_MSK 0x00000FFF

enum { ENABLE_WFPM = BIT(31),