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Commit 05a85a6c authored by Janusz Dziedzic's avatar Janusz Dziedzic Committed by Kalle Valo
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ath9k: remove ath9k_mod_tsf64_tu 



Remove ath9k_mod_tsf64_tu() function while we could
use div_u64_rem() function.

Signed-off-by: default avatarJanusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 02edab5b

drivers/net/wireless/ath/ath9k/common-beacon.c

+4 −18
Original line number Diff line number Diff line
@@ -18,30 +18,16 @@ 


#define FUDGE 2



/* Calculate the modulo of a 64 bit TSF snapshot with a TU divisor */

static u32 ath9k_mod_tsf64_tu(u64 tsf, u32 div_tu)

{

	u32 tsf_mod, tsf_hi, tsf_lo, mod_hi, mod_lo;



	tsf_mod = tsf & (BIT(10) - 1);

	tsf_hi = tsf >> 32;

	tsf_lo = ((u32) tsf) >> 10;



	mod_hi = tsf_hi % div_tu;

	mod_lo = ((mod_hi << 22) + tsf_lo) % div_tu;



	return (mod_lo << 10) | tsf_mod;

}



static u32 ath9k_get_next_tbtt(struct ath_hw *ah, u64 tsf,

			       unsigned int interval)

{

	unsigned int offset;

	unsigned int offset, divisor;



	tsf += TU_TO_USEC(FUDGE + ah->config.sw_beacon_response_time);

	offset = ath9k_mod_tsf64_tu(tsf, interval);

	divisor = TU_TO_USEC(interval);

	div_u64_rem(tsf, divisor, &offset);



	return (u32) tsf + TU_TO_USEC(interval) - offset;

	return (u32) tsf + divisor - offset;

}



/*