From: Heiner Kallweit <hkallweit1@gmail.com>
To: Jean Delvare <jdelvare@suse.com>
Cc: "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: [PATCH] i2c: i801: Improve i801_setup_hstcfg
Date: Tue, 25 May 2021 22:07:17 +0200 [thread overview]
Message-ID: <d5ec9de2-dd54-6ee2-a791-13ca510bcd43@gmail.com> (raw)
i801_setup_hstcfg() leaves the bits in priv->original_hstcfg that
we're interested in intact. Therefore we can remove the return value
from the function and use priv->original_hstcfg directly.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/i2c/busses/i2c-i801.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 54d84b9ef..047f73f1a 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1692,19 +1692,17 @@ static inline int i801_acpi_probe(struct i801_priv *priv) { return 0; }
static inline void i801_acpi_remove(struct i801_priv *priv) { }
#endif
-static unsigned char i801_setup_hstcfg(struct i801_priv *priv)
+static void i801_setup_hstcfg(struct i801_priv *priv)
{
unsigned char hstcfg = priv->original_hstcfg;
hstcfg &= ~SMBHSTCFG_I2C_EN; /* SMBus timing */
hstcfg |= SMBHSTCFG_HST_EN;
pci_write_config_byte(priv->pci_dev, SMBHSTCFG, hstcfg);
- return hstcfg;
}
static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
- unsigned char temp;
int err, i;
struct i801_priv *priv;
@@ -1827,16 +1825,16 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
}
pci_read_config_byte(priv->pci_dev, SMBHSTCFG, &priv->original_hstcfg);
- temp = i801_setup_hstcfg(priv);
+ i801_setup_hstcfg(priv);
if (!(priv->original_hstcfg & SMBHSTCFG_HST_EN))
dev_info(&dev->dev, "Enabling SMBus device\n");
- if (temp & SMBHSTCFG_SMB_SMI_EN) {
+ if (priv->original_hstcfg & SMBHSTCFG_SMB_SMI_EN) {
dev_dbg(&dev->dev, "SMBus using interrupt SMI#\n");
/* Disable SMBus interrupt feature if SMBus using SMI# */
priv->features &= ~FEATURE_IRQ;
}
- if (temp & SMBHSTCFG_SPD_WD)
+ if (priv->original_hstcfg & SMBHSTCFG_SPD_WD)
dev_info(&dev->dev, "SPD Write Disable is set\n");
/* Clear special mode bits */
--
2.31.1
next reply other threads:[~2021-05-25 20:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-25 20:07 Heiner Kallweit [this message]
2021-06-14 19:03 ` [PATCH] i2c: i801: Improve i801_setup_hstcfg Jean Delvare
2021-06-20 20:56 ` Wolfram Sang
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