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| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2009-06-12 14:16:00 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-10 14:57:46 -0400 |
| commit | 8ec8beb28361864c82153fec5ddb82c9d636430f (patch) | |
| tree | e9a438b0b6dbb170ba738e3e6c23a7d7160abc8c /drivers/net/wireless/wl12xx/spi.c | |
| parent | 9f2ad4fb52916e58a1b75e9a30f42638655932d3 (diff) | |
| download | kernel_samsung_smdk4412-8ec8beb28361864c82153fec5ddb82c9d636430f.zip kernel_samsung_smdk4412-8ec8beb28361864c82153fec5ddb82c9d636430f.tar.gz kernel_samsung_smdk4412-8ec8beb28361864c82153fec5ddb82c9d636430f.tar.bz2 | |
wl12xx: Add support for block reading from a fixed register address
Add support for block reading (multiple bytes) from a fixed chipset
register address. This is required for the wl1271 TX data path.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/spi.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/spi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/spi.c index c3d5b73..9c9943f 100644 --- a/drivers/net/wireless/wl12xx/spi.c +++ b/drivers/net/wireless/wl12xx/spi.c @@ -301,7 +301,7 @@ void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf, } void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, - size_t len) + size_t len, bool fixed) { struct spi_transfer t[2]; struct spi_message m; @@ -314,6 +314,9 @@ void wl12xx_spi_write(struct wl12xx *wl, int addr, void *buf, *cmd |= (len << WSPI_CMD_BYTE_LENGTH_OFFSET) & WSPI_CMD_BYTE_LENGTH; *cmd |= addr & WSPI_CMD_BYTE_ADDR; + if (fixed) + *cmd |= WSPI_CMD_FIXED; + spi_message_init(&m); memset(t, 0, sizeof(t)); @@ -348,7 +351,7 @@ void wl12xx_spi_mem_write(struct wl12xx *wl, int addr, void *buf, physical = wl12xx_translate_mem_addr(wl, addr); - wl12xx_spi_write(wl, physical, buf, len); + wl12xx_spi_write(wl, physical, buf, len, false); } void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, @@ -361,13 +364,14 @@ void wl12xx_spi_reg_read(struct wl12xx *wl, int addr, void *buf, size_t len, wl12xx_spi_read(wl, physical, buf, len, fixed); } -void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len) +void wl12xx_spi_reg_write(struct wl12xx *wl, int addr, void *buf, size_t len, + bool fixed) { int physical; physical = wl12xx_translate_reg_addr(wl, addr); - wl12xx_spi_write(wl, physical, buf, len); + wl12xx_spi_write(wl, physical, buf, len, fixed); } u32 wl12xx_mem_read32(struct wl12xx *wl, int addr) |