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staging: ks7010: use CIRC_CNT_TO_END macro in cnt_smeqbody

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This commit changes custom implementation of CIRC_CNT_TO_END.
Just use the linux kernel header one to simplify code.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-05-04 06:16:45 +02:00 committed by Greg Kroah-Hartman
parent 203ad5a1c8
commit 5089cd4189
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/ks7010/ks_hostif.c
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@ -6,6 +6,7 @@
* Copyright (C) 2009 Renesas Technology Corp.
*/
#include <linux/circ_buf.h>
#include <linux/if_arp.h>
#include <net/iw_handler.h>
#include <uapi/linux/llc.h>
@ -26,9 +27,8 @@ static inline void inc_smeqtail(struct ks_wlan_private *priv)
static inline unsigned int cnt_smeqbody(struct ks_wlan_private *priv)
{
unsigned int sme_cnt = priv->sme_i.qtail - priv->sme_i.qhead;
return (sme_cnt + SME_EVENT_BUFF_SIZE) % SME_EVENT_BUFF_SIZE;
return CIRC_CNT_TO_END(priv->sme_i.qhead, priv->sme_i.qtail,
SME_EVENT_BUFF_SIZE);
}
static inline u8 get_byte(struct ks_wlan_private *priv)