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path: root/drivers/i2c/busses/i2c-ismt.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-ismt.c')
-rw-r--r--drivers/i2c/busses/i2c-ismt.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 655b5d851c48..c93c02aa6ac8 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -382,6 +382,15 @@ static int ismt_process_desc(const struct ismt_desc *desc,
}
/**
+ * ismt_kill_transaction() - kill current transaction
+ * @priv: iSMT private data
+ */
+static void ismt_kill_transaction(struct ismt_priv *priv)
+{
+ writel(ISMT_GCTRL_KILL, priv->smba + ISMT_GR_GCTRL);
+}
+
+/**
* ismt_access() - process an SMBus command
* @adap: the i2c host adapter
* @addr: address of the i2c/SMBus target
@@ -623,6 +632,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
dma_unmap_single(dev, dma_addr, dma_size, dma_direction);
if (unlikely(!time_left)) {
+ ismt_kill_transaction(priv);
ret = -ETIMEDOUT;
goto out;
}