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openwrt-xburst/package/mac80211/patches/602-rt2x00-remove-mcu-requests-for-soc.patch
juhosg 9e05e4b52a mac80211: remove MCU requests for SoC platforms in the rt2x00 driver
The ralink SoC platforms do not have an MCU.

Signed-off-by: Luis Correia <luis.f.correia@gmail.com>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20650 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-04-01 15:39:23 +00:00

60 lines
1.7 KiB
Diff

The ralink SoC platforms do not have an MCU.
Signed-off-by: Luis Correia <luis.f.correia@gmail.com>
---
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -221,9 +221,9 @@ void rt2800_mcu_request(struct rt2x00_de
u32 reg;
/*
- * SOC devices don't support MCU requests.
+ * some devices don't support MCU requests.
*/
- if (rt2x00_is_soc(rt2x00dev))
+ if (!test_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags))
return;
mutex_lock(&rt2x00dev->csr_mutex);
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -60,6 +60,12 @@ static void rt2800pci_mcu_status(struct
unsigned int i;
u32 reg;
+ /*
+ * some devices don't support MCU requests.
+ */
+ if (!test_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags))
+ return;
+
for (i = 0; i < 200; i++) {
rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
@@ -1098,10 +1104,12 @@ static int rt2800pci_probe_hw(struct rt2
__set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
/*
- * This device requires firmware.
+ * This device requires firmware and MCU access.
*/
- if (!rt2x00_is_soc(rt2x00dev))
+ if (!rt2x00_is_soc(rt2x00dev)){
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
+ __set_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags);
+ }
__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
if (!modparam_nohwcrypt)
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -631,6 +631,7 @@ enum rt2x00_flags {
* Driver requirements
*/
DRIVER_REQUIRE_FIRMWARE,
+ DRIVER_REQUIRE_MCU,
DRIVER_REQUIRE_BEACON_GUARD,
DRIVER_REQUIRE_ATIM_QUEUE,
DRIVER_REQUIRE_DMA,