diff options
Diffstat (limited to 'src/soc/nvidia/tegra210/spi.c')
| -rw-r--r-- | src/soc/nvidia/tegra210/spi.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/soc/nvidia/tegra210/spi.c b/src/soc/nvidia/tegra210/spi.c index 3a2dd17230..292135542a 100644 --- a/src/soc/nvidia/tegra210/spi.c +++ b/src/soc/nvidia/tegra210/spi.c @@ -208,7 +208,7 @@ static struct tegra_spi_channel * const to_tegra_spi(int bus) { return &tegra_spi_channels[bus - 1]; } -int spi_claim_bus(const struct spi_slave *slave) +static int spi_ctrlr_claim_bus(const struct spi_slave *slave) { struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs; u32 val; @@ -231,7 +231,7 @@ int spi_claim_bus(const struct spi_slave *slave) return 0; } -void spi_release_bus(const struct spi_slave *slave) +static void spi_ctrlr_release_bus(const struct spi_slave *slave) { struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs; u32 val; @@ -755,8 +755,8 @@ unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len) return buf_len; } -int spi_xfer(const struct spi_slave *slave, const void *dout, - size_t out_bytes, void *din, size_t in_bytes) +static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout, + size_t out_bytes, void *din, size_t in_bytes) { struct tegra_spi_channel *spi = to_tegra_spi(slave->bus); u8 *out_buf = (u8 *)dout; @@ -834,6 +834,12 @@ int spi_xfer(const struct spi_slave *slave, const void *dout, return ret; } +static const struct spi_ctrlr spi_ctrlr = { + .claim_bus = spi_ctrlr_claim_bus, + .release_bus = spi_ctrlr_release_bus, + .xfer = spi_ctrlr_xfer, +}; + int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave) { struct tegra_spi_channel *channel = to_tegra_spi(bus); @@ -842,6 +848,7 @@ int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave) slave->cs = channel->slave.cs; slave->bus = channel->slave.bus; + slave->ctrlr = &spi_ctrlr; return 0; } |