diff options
| author | Christian Lamparter <chunkeey@googlemail.com> | 2011-08-25 23:47:35 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-29 15:25:29 -0400 |
| commit | 1cda0fd6096355ad4b0d99b691c2f9ca3198d745 (patch) | |
| tree | 5b0e4fbfe3b7e3893b258046a92b2f6066f0ae74 /drivers/net/wireless/p54/txrx.c | |
| parent | 397e5d5b93ba99ad3dc56f1e294f487e77d2daa8 (diff) | |
p54: Use do_div for 64-bit division to fix 32-bit kernels
Use the do_div macro for 64-bit division. Otherwise, the module will
reference __udivdi3 under 32-bit kernels, which is not allowed in
kernel space.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/p54/txrx.c')
| -rw-r--r-- | drivers/net/wireless/p54/txrx.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c index 44a3bd4b0f4..2b97a89e7ff 100644 --- a/drivers/net/wireless/p54/txrx.c +++ b/drivers/net/wireless/p54/txrx.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/firmware.h> #include <linux/etherdevice.h> +#include <asm/div64.h> #include <net/mac80211.h> @@ -582,10 +583,13 @@ static void p54_rx_stats(struct p54_common *priv, struct sk_buff *skb) if (chan) { struct survey_info *survey = &priv->survey[chan->hw_value]; survey->noise = clamp_t(s8, priv->noise, -128, 127); - survey->channel_time = priv->survey_raw.active / 1024; - survey->channel_time_tx = priv->survey_raw.tx / 1024; - survey->channel_time_busy = priv->survey_raw.cca / 1024 + - survey->channel_time_tx; + survey->channel_time = priv->survey_raw.active; + survey->channel_time_tx = priv->survey_raw.tx; + survey->channel_time_busy = priv->survey_raw.tx + + priv->survey_raw.cca; + do_div(survey->channel_time, 1024); + do_div(survey->channel_time_tx, 1024); + do_div(survey->channel_time_busy, 1024); } tmp = p54_find_and_unlink_skb(priv, hdr->req_id); |