Search Linux Wireless

[PATCH 05/62] iwlwifi: pcie: change CSR reset in family 8000

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Eran Harary <eran.harary@xxxxxxxxx>

This register is not present in 8000 family devices.
There is prph register instead.

Signed-off-by: Eran Harary <eran.harary@xxxxxxxxx>
Reviewed-by: Dor Shaish <dor.shaish@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl-prph.h   |    7 +++++++
 drivers/net/wireless/iwlwifi/pcie/trans.c |    6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 100bd0d..fc3b6be 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -105,6 +105,13 @@
 /* Device NMI register */
 #define DEVICE_SET_NMI_REG 0x00a01c30
 
+/*
+ * Device reset for family 8000
+ * write to bit 24 in order to reset the CPU
+*/
+#define RELEASE_CPU_RESET		(0x300C)
+#define RELEASE_CPU_RESET_BIT		BIT(24)
+
 /*****************************************************************************
  *                        7000/3000 series SHR DTS addresses                 *
  *****************************************************************************/
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f7e85d3..53a3457 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -573,6 +573,12 @@ static int iwl_pcie_load_given_ucode(struct iwl_trans *trans,
 		}
 	}
 
+	/* release CPU reset */
+	if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
+		iwl_write_prph(trans, RELEASE_CPU_RESET, RELEASE_CPU_RESET_BIT);
+	else
+		iwl_write32(trans, CSR_RESET, 0);
+
 	return 0;
 }
 
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux