diff options
Diffstat (limited to 'src/drivers/i2c/tpm/cr50.c')
| -rw-r--r-- | src/drivers/i2c/tpm/cr50.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/drivers/i2c/tpm/cr50.c b/src/drivers/i2c/tpm/cr50.c index f386dacb0b..8ea544d0db 100644 --- a/src/drivers/i2c/tpm/cr50.c +++ b/src/drivers/i2c/tpm/cr50.c @@ -54,7 +54,7 @@ struct tpm_inf_dev { uint8_t buf[CR50_MAX_BUFSIZE + sizeof(uint8_t)]; }; -static struct tpm_inf_dev g_tpm_dev; +static struct tpm_inf_dev tpm_dev; __weak int tis_plat_irq_status(void) { @@ -101,14 +101,14 @@ static int cr50_i2c_wait_tpm_ready(struct tpm_chip *chip) static int cr50_i2c_read(struct tpm_chip *chip, uint8_t addr, uint8_t *buffer, size_t len) { - if (g_tpm_dev.addr == 0) + if (tpm_dev.addr == 0) return -1; /* Clear interrupt before starting transaction */ tis_plat_irq_status(); /* Send the register address byte to the TPM */ - if (i2c_write_raw(g_tpm_dev.bus, g_tpm_dev.addr, &addr, 1)) { + if (i2c_write_raw(tpm_dev.bus, tpm_dev.addr, &addr, 1)) { printk(BIOS_ERR, "%s: Address write failed\n", __func__); return -1; } @@ -118,7 +118,7 @@ static int cr50_i2c_read(struct tpm_chip *chip, uint8_t addr, return -1; /* Read response data from the TPM */ - if (i2c_read_raw(g_tpm_dev.bus, g_tpm_dev.addr, buffer, len)) { + if (i2c_read_raw(tpm_dev.bus, tpm_dev.addr, buffer, len)) { printk(BIOS_ERR, "%s: Read response failed\n", __func__); return -1; } @@ -143,20 +143,20 @@ static int cr50_i2c_read(struct tpm_chip *chip, uint8_t addr, static int cr50_i2c_write(struct tpm_chip *chip, uint8_t addr, uint8_t *buffer, size_t len) { - if (g_tpm_dev.addr == 0) + if (tpm_dev.addr == 0) return -1; if (len > CR50_MAX_BUFSIZE) return -1; /* Prepend the 'register address' to the buffer */ - g_tpm_dev.buf[0] = addr; - memcpy(g_tpm_dev.buf + 1, buffer, len); + tpm_dev.buf[0] = addr; + memcpy(tpm_dev.buf + 1, buffer, len); /* Clear interrupt before starting transaction */ tis_plat_irq_status(); /* Send write request buffer with address */ - if (i2c_write_raw(g_tpm_dev.bus, g_tpm_dev.addr, g_tpm_dev.buf, len + 1)) { + if (i2c_write_raw(tpm_dev.bus, tpm_dev.addr, tpm_dev.buf, len + 1)) { printk(BIOS_ERR, "%s: Error writing to TPM\n", __func__); return -1; } @@ -494,8 +494,8 @@ int tpm_vendor_init(struct tpm_chip *chip, unsigned int bus, uint32_t dev_addr) return -1; } - g_tpm_dev.bus = bus; - g_tpm_dev.addr = dev_addr; + tpm_dev.bus = bus; + tpm_dev.addr = dev_addr; cr50_vendor_init(chip); |