diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/spi/acpi/acpi.c | 32 | ||||
| -rw-r--r-- | src/drivers/spi/spi-generic.c | 10 | ||||
| -rw-r--r-- | src/include/spi-generic.h | 3 | ||||
| -rw-r--r-- | src/soc/intel/common/block/gspi/gspi.c | 21 |
4 files changed, 8 insertions, 58 deletions
diff --git a/src/drivers/spi/acpi/acpi.c b/src/drivers/spi/acpi/acpi.c index 028a37c20d..102780f65d 100644 --- a/src/drivers/spi/acpi/acpi.c +++ b/src/drivers/spi/acpi/acpi.c @@ -76,13 +76,15 @@ static void spi_acpi_fill_ssdt_generator(struct device *dev) struct drivers_spi_acpi_config *config = dev->chip_info; const char *scope = acpi_device_scope(dev); const char *path = acpi_device_path(dev); - struct spi_cfg spi_cfg; - struct spi_slave slave; - int bus = -1, cs = dev->path.spi.cs; struct acpi_spi spi = { - .device_select = cs, + .device_select = dev->path.spi.cs, .speed = config->speed ? : 1 * MHz, .resource = scope, + .device_select_polarity = SPI_POLARITY_LOW, + .wire_mode = SPI_4_WIRE_MODE, + .data_bit_length = 8, + .clock_phase = SPI_CLOCK_PHASE_FIRST, + .clock_polarity = SPI_POLARITY_LOW, }; int curr_index = 0; int irq_gpio_index = -1; @@ -92,10 +94,9 @@ static void spi_acpi_fill_ssdt_generator(struct device *dev) if (!dev->enabled || !scope) return; - bus = spi_acpi_get_bus(dev); - if (bus == -1) { + if (spi_acpi_get_bus(dev) == -1) { printk(BIOS_ERR, "%s: ERROR: Cannot get bus for device.\n", - dev_path(dev)); + dev_path(dev)); return; } @@ -104,23 +105,6 @@ static void spi_acpi_fill_ssdt_generator(struct device *dev) return; } - if (spi_setup_slave(bus, cs, &slave)) { - printk(BIOS_ERR, "%s: ERROR: SPI setup failed.\n", - dev_path(dev)); - return; - } - - if (spi_get_config(&slave, &spi_cfg)) { - printk(BIOS_ERR, "%s: ERROR: SPI get config failed.\n", - dev_path(dev)); - return; - } - - spi.device_select_polarity = spi_cfg.cs_polarity; - spi.wire_mode = spi_cfg.wire_mode; - spi.data_bit_length = spi_cfg.data_bit_length; - spi.clock_phase = spi_cfg.clk_phase; - /* Device */ acpigen_write_scope(scope); acpigen_write_device(acpi_device_name(dev)); diff --git a/src/drivers/spi/spi-generic.c b/src/drivers/spi/spi-generic.c index 3ef437c4a7..805e17af5a 100644 --- a/src/drivers/spi/spi-generic.c +++ b/src/drivers/spi/spi-generic.c @@ -88,16 +88,6 @@ int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout, return -1; } -int spi_get_config(const struct spi_slave *slave, struct spi_cfg *cfg) -{ - const struct spi_ctrlr *ctrlr = slave->ctrlr; - - if (ctrlr && ctrlr->get_config) - return ctrlr->get_config(slave, cfg); - - return -1; -} - void __attribute__((weak)) spi_init(void) { /* Default weak implementation - do nothing. */ diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h index cc3d3cf1b9..7d957a0d9c 100644 --- a/src/include/spi-generic.h +++ b/src/include/spi-generic.h @@ -90,7 +90,6 @@ struct spi_cfg { /*----------------------------------------------------------------------- * Representation of a SPI contoller. * - * get_config: Get configuration of SPI bus * claim_bus: Claim SPI bus and prepare for communication. * release_bus: Release SPI bus. * setup: Setup given SPI device bus. @@ -98,8 +97,6 @@ struct spi_cfg { * xfer_vector: Vector of SPI transfer operations. */ struct spi_ctrlr { - int (*get_config)(const struct spi_slave *slave, - struct spi_cfg *cfg); int (*claim_bus)(const struct spi_slave *slave); void (*release_bus)(const struct spi_slave *slave); int (*setup)(const struct spi_slave *slave); diff --git a/src/soc/intel/common/block/gspi/gspi.c b/src/soc/intel/common/block/gspi/gspi.c index f3c146057e..74b94752b1 100644 --- a/src/soc/intel/common/block/gspi/gspi.c +++ b/src/soc/intel/common/block/gspi/gspi.c @@ -307,26 +307,6 @@ int __attribute__((weak)) gspi_get_soc_spi_cfg(unsigned int gspi_bus, return 0; } -static int gspi_ctrlr_get_config(const struct spi_slave *dev, - struct spi_cfg *cfg) -{ - unsigned int gspi_bus; - - /* Currently, only chip select 0 is supported. */ - if (dev->cs != 0) { - printk(BIOS_ERR, "%s: Invalid CS value: cs=%u.\n", __func__, - dev->cs); - return -1; - } - - if (gspi_soc_spi_to_gspi_bus(dev->bus, &gspi_bus)) { - printk(BIOS_ERR, "%s: Failed to find GSPI bus for SPI %u.\n", - __func__, dev->bus); - return -1; - } - return gspi_get_soc_spi_cfg(gspi_bus, cfg); -} - static int gspi_cs_assert(const struct spi_slave *dev) { return gspi_cs_change(dev, CS_ASSERT); @@ -627,7 +607,6 @@ static int gspi_ctrlr_xfer(const struct spi_slave *dev, } const struct spi_ctrlr gspi_ctrlr = { - .get_config = gspi_ctrlr_get_config, .claim_bus = gspi_cs_assert, .release_bus = gspi_cs_deassert, .setup = gspi_ctrlr_setup, |