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authorJohn W. Linville2014-01-17 14:43:17 -0500
committerJohn W. Linville2014-01-17 14:43:17 -0500
commit7916a075571f0ccd0830cf3da293188a8b6045e3 (patch)
tree119c5bb9e513c8205efed485c2dc7b8271123326 /drivers/net/wireless/iwlwifi/pcie
parentcf84eb0b09c0f09b4c70a648b9dfeec78be61f07 (diff)
parente4e19c031901e95dc7d1cf0a2c9c50525d71651f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie')
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/rx.c2
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c22
2 files changed, 23 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 1890ea29c264..08c23d497a02 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -615,7 +615,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,
rxcb._offset, get_cmd_string(trans_pcie, pkt->hdr.cmd),
pkt->hdr.cmd);
- len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ len = iwl_rx_packet_len(pkt);
len += sizeof(u32); /* account for status word */
trace_iwlwifi_dev_rx(trans->dev, trans, pkt, len);
trace_iwlwifi_dev_rx_data(trans->dev, trans, pkt, len);
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 16f66c1a23de..f9507807b486 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -178,6 +178,28 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans)
goto out;
}
+ if (trans->cfg->host_interrupt_operation_mode) {
+ /*
+ * This is a bit of an abuse - This is needed for 7260 / 3160
+ * only check host_interrupt_operation_mode even if this is
+ * not related to host_interrupt_operation_mode.
+ *
+ * Enable the oscillator to count wake up time for L1 exit. This
+ * consumes slightly more power (100uA) - but allows to be sure
+ * that we wake up from L1 on time.
+ *
+ * This looks weird: read twice the same register, discard the
+ * value, set a bit, and yet again, read that same register
+ * just to discard the value. But that's the way the hardware
+ * seems to like it.
+ */
+ iwl_read_prph(trans, OSC_CLK);
+ iwl_read_prph(trans, OSC_CLK);
+ iwl_set_bits_prph(trans, OSC_CLK, OSC_CLK_FORCE_CONTROL);
+ iwl_read_prph(trans, OSC_CLK);
+ iwl_read_prph(trans, OSC_CLK);
+ }
+
/*
* Enable DMA clock and wait for it to stabilize.
*