diff mbox series

[09/10] i2c: s3c2410: use core helper to mark adapter suspended

Message ID 20181219164827.20985-10-wsa+renesas@sang-engineering.com (mailing list archive)
State Not Applicable
Headers show
Series i2c: move handling of suspended adapters to the core | expand

Commit Message

Wolfram Sang Dec. 19, 2018, 4:48 p.m. UTC 
Rejecting transfers should be handled by the core. Also, this will
ensure proper locking which was forgotten in this open coded version.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 drivers/i2c/busses/i2c-s3c2410.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 2f2e28d60ef5..53bc021f4a5a 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -104,7 +104,6 @@  enum s3c24xx_i2c_state {
 struct s3c24xx_i2c {
 	wait_queue_head_t	wait;
 	kernel_ulong_t		quirks;
-	unsigned int		suspended:1;
 
 	struct i2c_msg		*msg;
 	unsigned int		msg_num;
@@ -703,9 +702,6 @@  static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c,
 	unsigned long timeout;
 	int ret;
 
-	if (i2c->suspended)
-		return -EIO;
-
 	ret = s3c24xx_i2c_set_master(i2c);
 	if (ret != 0) {
 		dev_err(i2c->dev, "cannot get bus (error %d)\n", ret);
@@ -1246,7 +1242,7 @@  static int s3c24xx_i2c_suspend_noirq(struct device *dev)
 {
 	struct s3c24xx_i2c *i2c = dev_get_drvdata(dev);
 
-	i2c->suspended = 1;
+	i2c_mark_adapter_suspended(&i2c->adap);
 
 	if (!IS_ERR(i2c->sysreg))
 		regmap_read(i2c->sysreg, EXYNOS5_SYS_I2C_CFG, &i2c->sys_i2c_cfg);
@@ -1267,7 +1263,7 @@  static int s3c24xx_i2c_resume_noirq(struct device *dev)
 		return ret;
 	s3c24xx_i2c_init(i2c);
 	clk_disable(i2c->clk);
-	i2c->suspended = 0;
+	i2c_mark_adapter_resumed(&i2c->adap);
 
 	return 0;
 }