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path: root/drivers/i2c/busses/i2c-i801.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-i801.c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 070999139c6d..274e987e4cfa 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -498,11 +498,10 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
/* Set block buffer mode */
outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
- inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
-
if (read_write == I2C_SMBUS_WRITE) {
len = data->block[0];
outb_p(len, SMBHSTDAT0(priv));
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
outb_p(data->block[i+1], SMBBLKDAT(priv));
}
@@ -520,6 +519,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
}
data->block[0] = len;
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
data->block[i + 1] = inb_p(SMBBLKDAT(priv));
}
@@ -1230,8 +1230,10 @@ static const struct {
* Additional individual entries were added after verification.
*/
{ "Latitude 5480", 0x29 },
+ { "Precision 3540", 0x29 },
{ "Vostro V131", 0x1d },
{ "Vostro 5568", 0x29 },
+ { "XPS 15 7590", 0x29 },
};
static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv)
@@ -1414,7 +1416,6 @@ static void i801_add_mux(struct i801_priv *priv)
lookup->table[i] = GPIO_LOOKUP(mux_config->gpio_chip,
mux_config->gpios[i], "mux", 0);
gpiod_add_lookup_table(lookup);
- priv->lookup = lookup;
/*
* Register the mux device, we use PLATFORM_DEVID_NONE here
@@ -1428,7 +1429,10 @@ static void i801_add_mux(struct i801_priv *priv)
sizeof(struct i2c_mux_gpio_platform_data));
if (IS_ERR(priv->mux_pdev)) {
gpiod_remove_lookup_table(lookup);
+ devm_kfree(dev, lookup);
dev_err(dev, "Failed to register i2c-mux-gpio device\n");
+ } else {
+ priv->lookup = lookup;
}
}
@@ -1740,9 +1744,9 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
i801_enable_host_notify(&priv->adapter);
- i801_probe_optional_slaves(priv);
/* We ignore errors - multiplexing is optional */
i801_add_mux(priv);
+ i801_probe_optional_slaves(priv);
pci_set_drvdata(dev, priv);