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i2c: rcar: make rcar_i2c_prepare_msg() *void*

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rcar_i2c_prepare_msg() always returns 0, so we can make this function return
*void* and thus remove the result check in rcar_i2c_master_xfer().

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Sergei Shtylyov 2014-09-15 00:15:46 +04:00 committed by Wolfram Sang
parent c30d7662d8
commit 7c7117ffe0
1 changed files with 2 additions and 7 deletions
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9
drivers/i2c/busses/i2c-rcar.c
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@ -245,7 +245,7 @@ scgd_find:
return 0;
}
static int rcar_i2c_prepare_msg(struct rcar_i2c_priv *priv)
static void rcar_i2c_prepare_msg(struct rcar_i2c_priv *priv)
{
int read = !!rcar_i2c_is_recv(priv);
@ -253,8 +253,6 @@ static int rcar_i2c_prepare_msg(struct rcar_i2c_priv *priv)
rcar_i2c_write(priv, ICMSR, 0);
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_START);
rcar_i2c_write(priv, ICMIER, read ? RCAR_IRQ_RECV : RCAR_IRQ_SEND);
return 0;
}
/*
@ -456,14 +454,11 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
if (i == num - 1)
rcar_i2c_flags_set(priv, ID_LAST_MSG);
ret = rcar_i2c_prepare_msg(priv);
rcar_i2c_prepare_msg(priv);
spin_unlock_irqrestore(&priv->lock, flags);
/*-------------- spin unlock -----------------*/
if (ret < 0)
break;
timeout = wait_event_timeout(priv->wait,
rcar_i2c_flags_has(priv, ID_DONE),
5 * HZ);