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p54: Use do_div for 64-bit division to fix 32-bit kernels

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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>
This commit is contained in:
Christian Lamparter 2011-08-25 23:47:35 +02:00 committed by John W. Linville
parent 397e5d5b93
commit 1cda0fd609
1 changed files with 8 additions and 4 deletions
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12
drivers/net/wireless/p54/txrx.c
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@ -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);