linux-kernel - [PATCH v2 5/9] i2c: zx2967: don't open code to reject transfers when suspended

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Date:   Sat, 22 Dec 2018 21:26:19 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-i2c@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org, linux-pm@...r.kernel.org,
        Hans de Goede <hdegoede@...hat.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Jun Nie <jun.nie@...aro.org>, Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH v2 5/9] i2c: zx2967: don't open code to reject transfers when suspended

This is handled by the I2C core meanwhile.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 drivers/i2c/busses/i2c-zx2967.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-zx2967.c b/drivers/i2c/busses/i2c-zx2967.c
index b8f9e020d80e..cb1f45647a8b 100644
--- a/drivers/i2c/busses/i2c-zx2967.c
+++ b/drivers/i2c/busses/i2c-zx2967.c
@@ -66,7 +66,6 @@ struct zx2967_i2c {
 	int			msg_rd;
 	u8			*cur_trans;
 	u8			access_cnt;
-	bool			is_suspended;
 	int			error;
 };
 
@@ -313,9 +312,6 @@ static int zx2967_i2c_xfer(struct i2c_adapter *adap,
 	int ret;
 	int i;
 
-	if (i2c->is_suspended)
-		return -EBUSY;
-
 	zx2967_set_addr(i2c, msgs->addr);
 
 	for (i = 0; i < num; i++) {
@@ -470,9 +466,7 @@ static int __maybe_unused zx2967_i2c_suspend(struct device *dev)
 {
 	struct zx2967_i2c *i2c = dev_get_drvdata(dev);
 
-	i2c->is_suspended = true;
 	clk_disable_unprepare(i2c->clk);
-
 	return 0;
 }
 
@@ -480,9 +474,7 @@ static int __maybe_unused zx2967_i2c_resume(struct device *dev)
 {
 	struct zx2967_i2c *i2c = dev_get_drvdata(dev);
 
-	i2c->is_suspended = false;
 	clk_prepare_enable(i2c->clk);
-
 	return 0;
 }
 
-- 
2.19.1