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i2c: i801: Move i801_wait_intr and i801_wait_byte_done in the code

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Move both functions to avoid forward declarations in a subsequent patch.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/a60ee54b-c5e8-4bdb-9f1f-8889f4dcd114@gmail.com
This commit is contained in:
Heiner Kallweit 2025-02-21 21:29:23 +01:00 committed by Andi Shyti
parent 9d515bf71e
commit e5befb5b01
1 changed files with 34 additions and 34 deletions
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68
drivers/i2c/busses/i2c-i801.c
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@ -337,6 +337,40 @@ 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));
@ -453,40 +487,6 @@ 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;