#ifdef CONFIG_PM_SLEEP
/*
* tpm_st33_i2c_pm_suspend suspend the TPM device
- * Added: Work around when suspend and no tpm application is running, suspend
- * may fail because chip->data_buffer is not set (only set in tpm_open in Linux
- * TPM core)
* @param: client, the i2c_client drescription (TPM I2C description).
* @param: mesg, the power management message.
* @return: 0 in case of success.
*/
static int tpm_st33_i2c_pm_suspend(struct device *dev)
{
- struct tpm_chip *chip = dev_get_drvdata(dev);
struct st33zp24_platform_data *pin_infos = dev->platform_data;
int ret = 0;
if (power_mgt) {
gpio_set_value(pin_infos->io_lpcpd, 0);
} else {
- if (chip->data_buffer == NULL)
- chip->data_buffer = pin_infos->tpm_i2c_buffer[0];
ret = tpm_pm_suspend(dev);
}
return ret;
TPM_STS_VALID) == TPM_STS_VALID,
chip->vendor.timeout_b);
} else {
- if (chip->data_buffer == NULL)
- chip->data_buffer = pin_infos->tpm_i2c_buffer[0];
ret = tpm_pm_resume(dev);
if (!ret)
tpm_do_selftest(chip);