From 7f1fe1d49043f43d4ab6fa928da9004e76d81210 Mon Sep 17 00:00:00 2001
From: Luca Coelho <luciano.coelho@intel.com>
Date: Fri, 1 Nov 2019 16:13:33 +0200
Subject: [PATCH] iwlwifi: pcie: implement read_config32
Git-commit: 7f1fe1d49043f43d4ab6fa928da9004e76d81210
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
Add the read_config32 op to allow dumping the config space when
needed.
Change-id: Ib2d254a38a4bfb95dcc3d04eec91781827a0c623
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 38d8fe21690a..46832bbfcae7 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -2206,6 +2206,13 @@ static int iwl_trans_pcie_write_mem(struct iwl_trans *trans, u32 addr,
return ret;
}
+static int iwl_trans_pcie_read_config32(struct iwl_trans *trans, u32 ofs,
+ u32 *val)
+{
+ return pci_read_config_dword(IWL_TRANS_GET_PCIE_TRANS(trans)->pci_dev,
+ ofs, val);
+}
+
static void iwl_trans_pcie_freeze_txq_timer(struct iwl_trans *trans,
unsigned long txqs,
bool freeze)
@@ -3380,6 +3387,7 @@ static void iwl_trans_pcie_resume(struct iwl_trans *trans)
.write_prph = iwl_trans_pcie_write_prph, \
.read_mem = iwl_trans_pcie_read_mem, \
.write_mem = iwl_trans_pcie_write_mem, \
+ .read_config32 = iwl_trans_pcie_read_config32, \
.configure = iwl_trans_pcie_configure, \
.set_pmi = iwl_trans_pcie_set_pmi, \
.sw_reset = iwl_trans_pcie_sw_reset, \
--
2.16.4