[PATCH] zd1211rw: Match vendor driver IFS values
The vendor driver resets the IFS value every time the channel changes,
to this one.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 1a4e2e1..92ddcd9 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -807,7 +807,6 @@
{ CR_ACK_TIMEOUT_EXT, 0x80 },
{ CR_ADDA_PWR_DWN, 0x00 },
{ CR_ACK_TIME_80211, 0x100 },
- { CR_IFS_VALUE, 0x547c032 },
{ CR_RX_PE_DELAY, 0x70 },
{ CR_PS_CTRL, 0x10000000 },
{ CR_RTS_CTS_RATE, 0x02030203 },
@@ -854,7 +853,6 @@
{ CR_ACK_TIMEOUT_EXT, 0x80 },
{ CR_ADDA_PWR_DWN, 0x00 },
{ CR_ACK_TIME_80211, 0x100 },
- { CR_IFS_VALUE, 0x547c032 },
{ CR_RX_PE_DELAY, 0x70 },
{ CR_PS_CTRL, 0x10000000 },
{ CR_RTS_CTS_RATE, 0x02030203 },
@@ -970,10 +968,15 @@
r = hw_init_hmac(chip);
if (r)
return r;
- r = set_beacon_interval(chip, 100);
+
+ /* Although the vendor driver defaults to a different value during
+ * init, it overwrites the IFS value with the following every time
+ * the channel changes. We should aim to be more intelligent... */
+ r = zd_iowrite32_locked(chip, IFS_VALUE_DEFAULT, CR_IFS_VALUE);
if (r)
return r;
- return 0;
+
+ return set_beacon_interval(chip, 100);
}
#ifdef DEBUG