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rt2x00: Add helper macros 

Add some helper macro's to help determining the
the timeout for USB register access.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2008-04-21 19:01:58 +02:00 committed by John W. Linville
parent e58c6aca99
commit bd394a74a0
4 changed files with 29 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -76,10 +76,10 @@ static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, const unsigned int offset,
void *value, const u16 length) void *value, const u16 length)
{ {
int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
USB_VENDOR_REQUEST_IN, offset, USB_VENDOR_REQUEST_IN, offset,
value, length, timeout); value, length,
REGISTER_TIMEOUT16(length));
} }
static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
@ -106,10 +106,10 @@ static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, const unsigned int offset,
void *value, const u16 length) void *value, const u16 length)
{ {
int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, offset, USB_VENDOR_REQUEST_OUT, offset,
value, length, timeout); value, length,
REGISTER_TIMEOUT16(length));
} }
static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev) static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)

2
drivers/net/wireless/rt2x00/rt2x00usb.c
View File

@ -344,7 +344,7 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
struct data_queue *queue; struct data_queue *queue;
unsigned int i; unsigned int i;
rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0x0000, 0x0000, rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0, 0,
REGISTER_TIMEOUT); REGISTER_TIMEOUT);
/* /*

19
drivers/net/wireless/rt2x00/rt2x00usb.h
View File

@ -47,6 +47,20 @@
#define REGISTER_TIMEOUT 500 #define REGISTER_TIMEOUT 500
#define REGISTER_TIMEOUT_FIRMWARE 1000 #define REGISTER_TIMEOUT_FIRMWARE 1000
/**
* REGISTER_TIMEOUT16 - Determine the timeout for 16bit register access
* @__datalen: Data length
*/
#define REGISTER_TIMEOUT16(__datalen) \
( REGISTER_TIMEOUT * ((__datalen) / sizeof(u16)) )
/**
* REGISTER_TIMEOUT32 - Determine the timeout for 32bit register access
* @__datalen: Data length
*/
#define REGISTER_TIMEOUT32(__datalen) \
( REGISTER_TIMEOUT * ((__datalen) / sizeof(u32)) )
/* /*
* Cache size * Cache size
*/ */
@ -187,11 +201,10 @@ static inline int rt2x00usb_vendor_request_sw(struct rt2x00_dev *rt2x00dev,
static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev, static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
__le16 *eeprom, const u16 lenght) __le16 *eeprom, const u16 lenght)
{ {
int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));
return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ, return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ,
USB_VENDOR_REQUEST_IN, 0, 0, USB_VENDOR_REQUEST_IN, 0, 0,
eeprom, lenght, timeout); eeprom, lenght,
REGISTER_TIMEOUT16(lenght));
} }
/* /*

18
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -74,10 +74,10 @@ static inline void rt73usb_register_multiread(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, const unsigned int offset,
void *value, const u32 length) void *value, const u32 length)
{ {
int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
USB_VENDOR_REQUEST_IN, offset, USB_VENDOR_REQUEST_IN, offset,
value, length, timeout); value, length,
REGISTER_TIMEOUT32(length));
} }
static inline void rt73usb_register_write(struct rt2x00_dev *rt2x00dev, static inline void rt73usb_register_write(struct rt2x00_dev *rt2x00dev,
@ -102,10 +102,10 @@ static inline void rt73usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
const unsigned int offset, const unsigned int offset,
void *value, const u32 length) void *value, const u32 length)
{ {
int timeout = REGISTER_TIMEOUT * (length / sizeof(u32));
rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, offset, USB_VENDOR_REQUEST_OUT, offset,
value, length, timeout); value, length,
REGISTER_TIMEOUT32(length));
} }
static u32 rt73usb_bbp_check(struct rt2x00_dev *rt2x00dev) static u32 rt73usb_bbp_check(struct rt2x00_dev *rt2x00dev)
@ -876,7 +876,6 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
char *ptr = data; char *ptr = data;
char *cache; char *cache;
int buflen; int buflen;
int timeout;
/* /*
* Wait for stable hardware. * Wait for stable hardware.
@ -907,14 +906,14 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) { for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) {
buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE); buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE);
timeout = REGISTER_TIMEOUT * (buflen / sizeof(u32));
memcpy(cache, ptr, buflen); memcpy(cache, ptr, buflen);
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, USB_VENDOR_REQUEST_OUT,
FIRMWARE_IMAGE_BASE + i, 0, FIRMWARE_IMAGE_BASE + i, 0,
cache, buflen, timeout); cache, buflen,
REGISTER_TIMEOUT32(buflen));
ptr += buflen; ptr += buflen;
} }
@ -1966,7 +1965,6 @@ static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
struct rt2x00_intf *intf = vif_to_intf(control->vif); struct rt2x00_intf *intf = vif_to_intf(control->vif);
struct skb_frame_desc *skbdesc; struct skb_frame_desc *skbdesc;
unsigned int beacon_base; unsigned int beacon_base;
unsigned int timeout;
u32 reg; u32 reg;
if (unlikely(!intf->beacon)) if (unlikely(!intf->beacon))
@ -2006,10 +2004,10 @@ static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
*/ */
rt2x00lib_write_tx_desc(rt2x00dev, skb, control); rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32));
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT, beacon_base, 0, USB_VENDOR_REQUEST_OUT, beacon_base, 0,
skb->data, skb->len, timeout); skb->data, skb->len,
REGISTER_TIMEOUT32(skb->len));
rt73usb_kick_tx_queue(rt2x00dev, QID_BEACON); rt73usb_kick_tx_queue(rt2x00dev, QID_BEACON);
return 0; return 0;