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tpm/st33zp24/spi: Drop two useless checks in ACPI probe path 

When st33zp24_spi_acpi_request_resources() gets called we
already know that the entries in ->acpi_match_table have matched ACPI ID
of the device.
In addition spi_device pointer cannot be NULL in any case (otherwise I2C
core would not call ->probe() for the driver in the first place).

Drop the two useless checks from the driver.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit is contained in:
Christophe Ricard 2016-03-23 08:55:33 +01:00 committed by Jarkko Sakkinen
parent 32da5633dc
commit 20ab99f89d
1 changed files with 1 additions and 12 deletions
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13
drivers/char/tpm/st33zp24/spi.c
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@ -232,19 +232,8 @@ static const struct st33zp24_phy_ops spi_phy_ops = {
static int st33zp24_spi_acpi_request_resources(struct spi_device *spi_dev)
{
struct st33zp24_spi_phy *phy = spi_get_drvdata(spi_dev);
const struct acpi_device_id *id;
struct gpio_desc *gpiod_lpcpd;
struct device *dev;
if (!spi_dev)
return -EINVAL;
dev = &spi_dev->dev;
/* Match the struct device against a given list of ACPI IDs */
id = acpi_match_device(dev->driver->acpi_match_table, dev);
if (!id)
return -ENODEV;
struct device *dev = &spi_dev->dev;
/* Get LPCPD GPIO from ACPI */
gpiod_lpcpd = devm_gpiod_get_index(dev, "TPM IO LPCPD", 1,