Unverified Commit 6495e334 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!5625 i2c: i801: Don't generate an interrupt on bus reset 

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Huafei <lihuafei1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/VJTT4SMRQYSWUIGS5KJRC6GEFY5DHHFO/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9BGWP 
 
Link:https://gitee.com/openeuler/kernel/pulls/5625

 

Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 760a57c6 390063cf

drivers/i2c/busses/i2c-i801.c

+2 −4
Original line number Diff line number Diff line
@@ -384,11 +384,9 @@ static int i801_check_post(struct i801_priv *priv, int status) 
		dev_err(&priv->pci_dev->dev, "Transaction timeout\n");

		/* try to stop the current command */

		dev_dbg(&priv->pci_dev->dev, "Terminating the current operation\n");

		outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL,

		       SMBHSTCNT(priv));

		outb_p(SMBHSTCNT_KILL, SMBHSTCNT(priv));

		usleep_range(1000, 2000);

		outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL),

		       SMBHSTCNT(priv));

		outb_p(0, SMBHSTCNT(priv));



		/* Check if it worked */

		status = inb_p(SMBHSTSTS(priv));