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authorHeiner Kallweit <hkallweit1@gmail.com>2021-05-25 22:07:17 +0200
committerWolfram Sang <wsa@kernel.org>2021-06-20 22:56:21 +0200
commitc601610cd73d4cfc2dcbae185c134deb7c4c52cc (patch)
tree5ec88c473c6575cb2681ebfa5b171e4b5e26d3e7 /drivers/i2c
parentd4a994f69f0bed0ba49db12d7bae2c891dc4b51f (diff)
i2c: i801: Improve i801_setup_hstcfg
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> Reviewed-by: Jean Delvare <jdelvare@suse.de> Tested-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 6f056ef62151..75037afe7c0a 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1684,19 +1684,17 @@ 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;
@@ -1818,16 +1816,16 @@ 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 */