iwlwifi: mvm: remove unnecessary device conversion when reading the MCC

We convert the mvm device to a PCI device and then back again when
trying to find the handle for the device's ACPI data.  This is
unnecessary, so it can be removed.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index 25a9840..182ec20 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -66,7 +66,6 @@
  *****************************************************************************/
 #include <linux/firmware.h>
 #include <linux/rtnetlink.h>
-#include <linux/pci.h>
 #include <linux/acpi.h>
 #include "iwl-trans.h"
 #include "iwl-csr.h"
@@ -802,9 +801,8 @@ static int iwl_mvm_get_bios_mcc(struct iwl_mvm *mvm, char *mcc)
        struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL};
        acpi_status status;
        u32 mcc_val;
-       struct pci_dev *pdev = to_pci_dev(mvm->dev);
 
-       root_handle = ACPI_HANDLE(&pdev->dev);
+       root_handle = ACPI_HANDLE(mvm->dev);
        if (!root_handle) {
                IWL_DEBUG_LAR(mvm,
                              "Could not retrieve root port ACPI handle\n");