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[2/3] i2c: i801: Move i801_wait_intr and i801_wait_byte_done in the code

Message ID 68c013cc-70bd-4c5b-b6b3-5f2d87a218fa@gmail.com
State New
Headers show
Series i2c: i801: Avoid potential issue in i801_check_post and cosmetic improvements | expand

Commit Message

Heiner Kallweit Feb. 10, 2024, 3:28 p.m. UTC 
Move both functions to avoid forward declarations in a subsequent patch.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/i2c/busses/i2c-i801.c | 68 +++++++++++++++++------------------
 1 file changed, 34 insertions(+), 34 deletions(-)
diff mbox series

Patch

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 4951d7d90..751b7c6d2 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -330,6 +330,40 @@  MODULE_PARM_DESC(disable_features, "Disable selected driver features:\n"
 	"\t\t  0x10  don't use interrupts\n"
 	"\t\t  0x20  disable SMBus Host Notify ");
 
+/* Wait for BUSY being cleared and either INTR or an error flag being set */
+static int i801_wait_intr(struct i801_priv *priv)
+{
+	unsigned long timeout = jiffies + priv->adapter.timeout;
+	int status, busy;
+
+	do {
+		usleep_range(250, 500);
+		status = inb_p(SMBHSTSTS(priv));
+		busy = status & SMBHSTSTS_HOST_BUSY;
+		status &= STATUS_ERROR_FLAGS | SMBHSTSTS_INTR;
+		if (!busy && status)
+			return status & STATUS_ERROR_FLAGS;
+	} while (time_is_after_eq_jiffies(timeout));
+
+	return -ETIMEDOUT;
+}
+
+/* Wait for either BYTE_DONE or an error flag being set */
+static int i801_wait_byte_done(struct i801_priv *priv)
+{
+	unsigned long timeout = jiffies + priv->adapter.timeout;
+	int status;
+
+	do {
+		usleep_range(250, 500);
+		status = inb_p(SMBHSTSTS(priv));
+		if (status & (STATUS_ERROR_FLAGS | SMBHSTSTS_BYTE_DONE))
+			return status & STATUS_ERROR_FLAGS;
+	} while (time_is_after_eq_jiffies(timeout));
+
+	return -ETIMEDOUT;
+}
+
 static int i801_get_block_len(struct i801_priv *priv)
 {
 	u8 len = inb_p(SMBHSTDAT0(priv));
@@ -447,40 +481,6 @@  static int i801_check_post(struct i801_priv *priv, int status)
 	return result;
 }
 
-/* Wait for BUSY being cleared and either INTR or an error flag being set */
-static int i801_wait_intr(struct i801_priv *priv)
-{
-	unsigned long timeout = jiffies + priv->adapter.timeout;
-	int status, busy;
-
-	do {
-		usleep_range(250, 500);
-		status = inb_p(SMBHSTSTS(priv));
-		busy = status & SMBHSTSTS_HOST_BUSY;
-		status &= STATUS_ERROR_FLAGS | SMBHSTSTS_INTR;
-		if (!busy && status)
-			return status & STATUS_ERROR_FLAGS;
-	} while (time_is_after_eq_jiffies(timeout));
-
-	return -ETIMEDOUT;
-}
-
-/* Wait for either BYTE_DONE or an error flag being set */
-static int i801_wait_byte_done(struct i801_priv *priv)
-{
-	unsigned long timeout = jiffies + priv->adapter.timeout;
-	int status;
-
-	do {
-		usleep_range(250, 500);
-		status = inb_p(SMBHSTSTS(priv));
-		if (status & (STATUS_ERROR_FLAGS | SMBHSTSTS_BYTE_DONE))
-			return status & STATUS_ERROR_FLAGS;
-	} while (time_is_after_eq_jiffies(timeout));
-
-	return -ETIMEDOUT;
-}
-
 static int i801_transaction(struct i801_priv *priv, int xact)
 {
 	unsigned long result;