[PATCH] mwifiex: pcie: add enable_device_dump module parameter

[Tsuchiya Yuto]

The devicve_dump may take a little bit long time and users may want to
disable the dump for daily usage.

This commit adds a new module parameter enable_device_dump and disables
the device_dump by default.

Signed-off-by: Tsuchiya Yuto <kita...@gmail.com>
---
 drivers/net/wireless/marvell/mwifiex/pcie.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c 
b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 6a10ff0377a24..8254e06fb22ce 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -33,6 +33,11 @@
 
 static struct mwifiex_if_ops pcie_ops;
 
+static bool enable_device_dump;
+module_param(enable_device_dump, bool, 0644);
+MODULE_PARM_DESC(enable_device_dump,
+                "enable device_dump (default: disabled)");
+
 static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = {
        .cmd_addr_lo = PCIE_SCRATCH_0_REG,
        .cmd_addr_hi = PCIE_SCRATCH_1_REG,
@@ -2938,6 +2943,12 @@ static void mwifiex_pcie_fw_dump(struct mwifiex_adapter 
*adapter)
 
 static void mwifiex_pcie_device_dump_work(struct mwifiex_adapter *adapter)
 {
+       if (!enable_device_dump) {
+               mwifiex_dbg(adapter, MSG,
+                           "device_dump is disabled by module parameter\n");
+               return;
+       }
+
        adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE);
        if (!adapter->devdump_data) {
                mwifiex_dbg(adapter, ERROR,
-- 
2.29.1