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authorArik Nemtsov <arik@wizery.com>2012-05-10 13:13:17 +0400
committerLuciano Coelho <coelho@ti.com>2012-06-05 16:54:53 +0400
commit624845b31cae0bf6671c3d0cbbec8214cf7d8584 (patch)
tree4ba9c4542aafed67b32a4fdb221933dc73051d7d /drivers/net/wireless/ti/wl18xx
parent1349c4212aacde0d26b20e9ff2ba7501d6e33d3c (diff)
downloadlinux-624845b31cae0bf6671c3d0cbbec8214cf7d8584.tar.xz
wl18xx: implement hw op for calculating hw block count per packet
Implement the calc_tx_blocks op for the 18xx family. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl18xx')
-rw-r--r--drivers/net/wireless/ti/wl18xx/main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index 70683adc9cf3..055b194827b3 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -34,6 +34,7 @@
#define WL18XX_TX_HW_BLOCK_SPARE 1
#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2
+#define WL18XX_TX_HW_BLOCK_SIZE 268
static struct wl18xx_conf wl18xx_default_conf = {
.phy = {
@@ -305,11 +306,18 @@ static void wl18xx_ack_event(struct wl1271 *wl)
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL18XX_INTR_TRIG_EVENT_ACK);
}
+static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
+{
+ u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
+ return (len + blk_size - 1) / blk_size + spare_blks;
+}
+
static struct wlcore_ops wl18xx_ops = {
.identify_chip = wl18xx_identify_chip,
.boot = wl18xx_boot,
.trigger_cmd = wl18xx_trigger_cmd,
.ack_event = wl18xx_ack_event,
+ .calc_tx_blocks = wl18xx_calc_tx_blocks,
};
int __devinit wl18xx_probe(struct platform_device *pdev)