iwlwifi: move iwl_dump_fh to agn

The iwl_dump_fh function is only used
by the agn module, so it can be there
instead of being exported by the core.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index de91ff6dcd6c..ff5f2fc4d6d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -2291,3 +2291,64 @@ void iwl_dump_csr(struct iwl_priv *priv)
                         iwl_read32(priv, csr_tbl[i]));
         }
 }
+
+static const char *get_fh_string(int cmd)
+{
+        switch (cmd) {
+        IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG);
+        IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG);
+        IWL_CMD(FH_RSCSR_CHNL0_WPTR);
+        IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG);
+        IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG);
+        IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG);
+        IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV);
+        IWL_CMD(FH_TSSR_TX_STATUS_REG);
+        IWL_CMD(FH_TSSR_TX_ERROR_REG);
+        default:
+                return "UNKNOWN";
+        }
+}
+
+int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display)
+{
+        int i;
+#ifdef CONFIG_IWLWIFI_DEBUG
+        int pos = 0;
+        size_t bufsz = 0;
+#endif
+        u32 fh_tbl[] = {
+                FH_RSCSR_CHNL0_STTS_WPTR_REG,
+                FH_RSCSR_CHNL0_RBDCB_BASE_REG,
+                FH_RSCSR_CHNL0_WPTR,
+                FH_MEM_RCSR_CHNL0_CONFIG_REG,
+                FH_MEM_RSSR_SHARED_CTRL_REG,
+                FH_MEM_RSSR_RX_STATUS_REG,
+                FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV,
+                FH_TSSR_TX_STATUS_REG,
+                FH_TSSR_TX_ERROR_REG
+        };
+#ifdef CONFIG_IWLWIFI_DEBUG
+        if (display) {
+                bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
+                *buf = kmalloc(bufsz, GFP_KERNEL);
+                if (!*buf)
+                        return -ENOMEM;
+                pos += scnprintf(*buf + pos, bufsz - pos,
+                                "FH register values:\n");
+                for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) {
+                        pos += scnprintf(*buf + pos, bufsz - pos,
+                                "  %34s: 0X%08x\n",
+                                get_fh_string(fh_tbl[i]),
+                                iwl_read_direct32(priv, fh_tbl[i]));
+                }
+                return pos;
+        }
+#endif
+        IWL_ERR(priv, "FH register values:\n");
+        for (i = 0; i <  ARRAY_SIZE(fh_tbl); i++) {
+                IWL_ERR(priv, "  %34s: 0X%08x\n",
+                        get_fh_string(fh_tbl[i]),
+                        iwl_read_direct32(priv, fh_tbl[i]));
+        }
+        return 0;
+}