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authorIvo van Doorn <ivdoorn@gmail.com>2008-08-06 17:27:31 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-08-22 16:29:59 -0400
commit008c44825db74c6cdcea13dfb1598896e74fe908 (patch)
tree6fecad89bfd278a321b4d6e0cfe1098a0cc6b54f /drivers
parentba2ab47129eee76f6f0ef52b4beae30a12cee7f6 (diff)
rt2x00: Add module parameter to disable HW crypto
Add a module parameter to rt61 and rt73 to disable HW crypto. The option should only be checked when determining if the SUPPORT_HW_CRYPTO flag should be set or not. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c10
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c10
2 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 0fcc4563683..23cf93dfda0 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -38,6 +38,13 @@
#include "rt61pci.h"
/*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 0;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
* Register access.
* BBP and RF register require indirect register access,
* and use the CSR registers PHY_CSR3 and PHY_CSR4 to achieve this.
@@ -2617,7 +2624,8 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev)
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
- __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
+ if (!modparam_nohwcrypt)
+ __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
/*
* Set the rssi offset.
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 4f2eb90aaf0..f58fd059c9a 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -37,6 +37,13 @@
#include "rt73usb.h"
/*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 0;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
* Register access.
* All access to the CSR registers will go through the methods
* rt73usb_register_read and rt73usb_register_write.
@@ -2211,7 +2218,8 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev)
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
- __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
+ if (!modparam_nohwcrypt)
+ __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
/*
* Set the rssi offset.