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Commit 832a522a authored by Wolfram Sang's avatar Wolfram Sang Committed by Wolfram Sang
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i2c: sh_mobile: use direct writes when accessing ICE bit 



ICE bit is for resetting the module. Other bits don't matter then, so we
don't need to use the iic_set_clr() function but can use iic_wr().

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 91a5e63e

drivers/i2c/busses/i2c-sh_mobile.c

+3 −3
Original line number Diff line number Diff line
@@ -620,10 +620,10 @@ static int start_ch(struct sh_mobile_i2c_data *pd, struct i2c_msg *usr_msg, 


	if (do_init) {

		/* Initialize channel registers */

		iic_set_clr(pd, ICCR, 0, ICCR_ICE);

		iic_wr(pd, ICCR, 0);



		/* Enable channel and configure rx ack */

		iic_set_clr(pd, ICCR, ICCR_ICE, 0);

		iic_wr(pd, ICCR, ICCR_ICE);



		/* Set the clock */

		iic_wr(pd, ICCL, pd->iccl & 0xff);
@@ -740,7 +740,7 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter, 
	}



	/* Disable channel */

	iic_set_clr(pd, ICCR, 0, ICCR_ICE);

	iic_wr(pd, ICCR, 0);



	/* Disable clock and mark device as idle */

	clk_disable_unprepare(pd->clk);