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-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c28
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h1
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c12
3 files changed, 20 insertions, 21 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 25c44cfd7452..7c68bf35951f 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -255,6 +255,23 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
}
EXPORT_SYMBOL_GPL(rt2800_mcu_request);
+int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i = 0;
+ u32 reg;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
+ if (reg && reg != ~0)
+ return 0;
+ msleep(1);
+ }
+
+ ERROR(rt2x00dev, "Unstable hardware.\n");
+ return -EBUSY;
+}
+EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
+
int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
{
unsigned int i;
@@ -370,17 +387,8 @@ int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
/*
* Wait for stable hardware.
*/
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
- if (reg && reg != ~0)
- break;
- msleep(1);
- }
-
- if (i == REGISTER_BUSY_COUNT) {
- ERROR(rt2x00dev, "Unstable hardware.\n");
+ if (rt2800_wait_csr_ready(rt2x00dev))
return -EBUSY;
- }
if (rt2x00_is_pci(rt2x00dev))
rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index deb10b14157b..986229c06c19 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -140,6 +140,7 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
const u8 command, const u8 token,
const u8 arg0, const u8 arg1);
+int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev);
int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev);
int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 82ae58e0c5d7..b1a8e943750b 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -122,22 +122,12 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
- int i;
/*
* Wait until BBP and RF are ready.
*/
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
- if (reg && reg != ~0)
- break;
- msleep(1);
- }
-
- if (i == REGISTER_BUSY_COUNT) {
- ERROR(rt2x00dev, "Unstable hardware.\n");
+ if (rt2800_wait_csr_ready(rt2x00dev))
return -EBUSY;
- }
rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);