Change in coreboot[master]: soc/nvidia/tegra*: Move spi driver to use spi_bus_map

[Furquan Shaikh (Code Review)]

Furquan Shaikh has submitted this change and it was merged. ( https://review.coreboot.org/19769 )

Change subject: soc/nvidia/tegra*: Move spi driver to use spi_bus_map
......................................................................

soc/nvidia/tegra*: Move spi driver to use spi_bus_map

This is in preparation to get rid of the strong spi_setup_slave
implemented by different platforms.

BUG=b:38430839

Change-Id: I873b96d286655a814554bfd89f899ee87302b06d
Signed-off-by: Furquan Shaikh 
Reviewed-on: https://review.coreboot.org/19769
Tested-by: build bot (Jenkins) 
Reviewed-by: Julius Werner 
Reviewed-by: Aaron Durbin 
Reviewed-by: Philippe Mathieu-Daudé 
---
M src/soc/nvidia/tegra124/spi.c
M src/soc/nvidia/tegra210/spi.c
2 files changed, 16 insertions(+), 22 deletions(-)

Approvals:
  Aaron Durbin: Looks good to me, approved
  Philippe Mathieu-Daudé: Looks good to me, but someone else must approve
  Julius Werner: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/soc/nvidia/tegra124/spi.c b/src/soc/nvidia/tegra124/spi.c
index 4ecd67a..ae07d53 100644
--- a/src/soc/nvidia/tegra124/spi.c
+++ b/src/soc/nvidia/tegra124/spi.c
@@ -800,15 +800,12 @@
    .max_xfer_size = SPI_CTRLR_DEFAULT_MAX_XFER_SIZE,
 };

-int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
-{
-	struct tegra_spi_channel *channel = to_tegra_spi(bus);
-	if (!channel)
-		return -1;
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+	{
+		.ctrlr = &spi_ctrlr,
+		.bus_start = 1,
+		.bus_end = ARRAY_SIZE(tegra_spi_channels)
+	},
+};

-	slave->bus = channel->slave.bus;
-	slave->cs = channel->slave.cs;
-	slave->ctrlr = &spi_ctrlr;
-
-	return 0;
-}
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
diff --git a/src/soc/nvidia/tegra210/spi.c b/src/soc/nvidia/tegra210/spi.c
index 0987ddb..54e46f1 100644
--- a/src/soc/nvidia/tegra210/spi.c
+++ b/src/soc/nvidia/tegra210/spi.c
@@ -836,15 +836,12 @@
    .max_xfer_size = SPI_CTRLR_DEFAULT_MAX_XFER_SIZE,
 };

-int spi_setup_slave(unsigned int bus, unsigned int cs, struct spi_slave *slave)
-{
-	struct tegra_spi_channel *channel = to_tegra_spi(bus);
-	if (!channel)
-		return -1;
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+	{
+		.ctrlr = &spi_ctrlr,
+		.bus_start = 1,
+		.bus_end = ARRAY_SIZE(tegra_spi_channels)
+	},
+};

-	slave->cs = channel->slave.cs;
-	slave->bus = channel->slave.bus;
-	slave->ctrlr = &spi_ctrlr;
-
-	return 0;
-}
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);