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iwlwifi: pcie: prepare the device before accessing it
[cascardo/linux.git]
/
drivers
/
net
/
wireless
/
iwlwifi
/
pcie
/
trans.c
diff --git
a/drivers/net/wireless/iwlwifi/pcie/trans.c
b/drivers/net/wireless/iwlwifi/pcie/trans.c
index
fe61d0a
..
6203c4a
100644
(file)
--- a/
drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/
drivers/net/wireless/iwlwifi/pcie/trans.c
@@
-2551,6
+2551,12
@@
struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
trans->hw_rev = (trans->hw_rev & 0xfff0) |
(CSR_HW_REV_STEP(trans->hw_rev << 2) << 2);
trans->hw_rev = (trans->hw_rev & 0xfff0) |
(CSR_HW_REV_STEP(trans->hw_rev << 2) << 2);
+ ret = iwl_pcie_prepare_card_hw(trans);
+ if (ret) {
+ IWL_WARN(trans, "Exit HW not ready\n");
+ goto out_pci_disable_msi;
+ }
+
/*
* in-order to recognize C step driver should read chip version
* id located at the AUX bus MISC address space.
/*
* in-order to recognize C step driver should read chip version
* id located at the AUX bus MISC address space.