diff options
Diffstat (limited to 'src/drivers/spi/tpm/tpm.c')
| -rw-r--r-- | src/drivers/spi/tpm/tpm.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/drivers/spi/tpm/tpm.c b/src/drivers/spi/tpm/tpm.c index d364cb958a..5abfc4558f 100644 --- a/src/drivers/spi/tpm/tpm.c +++ b/src/drivers/spi/tpm/tpm.c @@ -36,7 +36,7 @@ /* SPI Interface descriptor used by the driver. */ struct tpm_spi_if { - struct spi_slave *slave; + struct spi_slave slave; int (*cs_assert)(const struct spi_slave *slave); void (*cs_deassert)(const struct spi_slave *slave); int (*xfer)(const struct spi_slave *slave, const void *dout, @@ -130,7 +130,7 @@ static void start_transaction(int read_write, size_t bytes, unsigned addr) header.body[i + 1] = (addr >> (8 * (2 - i))) & 0xff; /* CS assert wakes up the slave. */ - tpm_if.cs_assert(tpm_if.slave); + tpm_if.cs_assert(&tpm_if.slave); /* * The TCG TPM over SPI specification introduces the notion of SPI @@ -157,11 +157,11 @@ static void start_transaction(int read_write, size_t bytes, unsigned addr) * to require to stall the master, this would present an issue. * crosbug.com/p/52132 has been opened to track this. */ - tpm_if.xfer(tpm_if.slave, header.body, sizeof(header.body), NULL, 0); + tpm_if.xfer(&tpm_if.slave, header.body, sizeof(header.body), NULL, 0); /* Now poll the bus until TPM removes the stall bit. */ do { - tpm_if.xfer(tpm_if.slave, NULL, 0, &byte, 1); + tpm_if.xfer(&tpm_if.slave, NULL, 0, &byte, 1); } while (!(byte & 1)); } @@ -227,7 +227,7 @@ static void trace_dump(const char *prefix, uint32_t reg, */ static void write_bytes(const void *buffer, size_t bytes) { - tpm_if.xfer(tpm_if.slave, buffer, bytes, NULL, 0); + tpm_if.xfer(&tpm_if.slave, buffer, bytes, NULL, 0); } /* @@ -236,7 +236,7 @@ static void write_bytes(const void *buffer, size_t bytes) */ static void read_bytes(void *buffer, size_t bytes) { - tpm_if.xfer(tpm_if.slave, NULL, 0, buffer, bytes); + tpm_if.xfer(&tpm_if.slave, NULL, 0, buffer, bytes); } /* @@ -251,7 +251,7 @@ static int tpm2_write_reg(unsigned reg_number, const void *buffer, size_t bytes) trace_dump("W", reg_number, bytes, buffer, 0); start_transaction(false, bytes, reg_number); write_bytes(buffer, bytes); - tpm_if.cs_deassert(tpm_if.slave); + tpm_if.cs_deassert(&tpm_if.slave); return 1; } @@ -266,7 +266,7 @@ static int tpm2_read_reg(unsigned reg_number, void *buffer, size_t bytes) { start_transaction(true, bytes, reg_number); read_bytes(buffer, bytes); - tpm_if.cs_deassert(tpm_if.slave); + tpm_if.cs_deassert(&tpm_if.slave); trace_dump("R", reg_number, bytes, buffer, 0); return 1; } @@ -303,7 +303,7 @@ int tpm2_init(struct spi_slave *spi_if) uint32_t did_vid, status; uint8_t cmd; - tpm_if.slave = spi_if; + memcpy(&tpm_if.slave, spi_if, sizeof(*spi_if)); tpm2_read_reg(TPM_DID_VID_REG, &did_vid, sizeof(did_vid)); |