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

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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>
This commit is contained in:
Luca Coelho 2016-05-30 12:52:43 +03:00
parent f24bbae565
commit 34777b0000
1 changed files with 1 additions and 3 deletions
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4
drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
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@ -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");