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Diffstat (limited to 'src/soc/nvidia/tegra124/spi.c')
-rw-r--r--src/soc/nvidia/tegra124/spi.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/soc/nvidia/tegra124/spi.c b/src/soc/nvidia/tegra124/spi.c
index 0cb48657d6..5d8084fbdf 100644
--- a/src/soc/nvidia/tegra124/spi.c
+++ b/src/soc/nvidia/tegra124/spi.c
@@ -209,7 +209,7 @@ static unsigned int tegra_spi_speed(unsigned int bus)
return 50000000;
}
-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;
@@ -232,7 +232,7 @@ 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;
@@ -719,8 +719,8 @@ 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;
@@ -798,6 +798,12 @@ 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);
@@ -806,6 +812,7 @@ int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
slave->bus = channel->slave.bus;
slave->cs = channel->slave.cs;
+ slave->ctrlr = &spi_ctrlr;
return 0;
}