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test: dm: spi: add testcase for spi_set_wordlen()

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Add a unit test to verify that the SPI word length configuration is
correctly handled by the SPI uclass and successfully passed down to
the sandbox driver.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Simon Glass <simon.glass@canonical.com>
This commit is contained in:
Dario Binacchi 2026-02-25 17:16:55 +01:00 committed by Patrice Chotard
parent ab5c0191e1
commit 2b3a73116a
1 changed files with 16 additions and 0 deletions
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16
test/dm/spi.c
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@ -170,6 +170,22 @@ static int dm_test_spi_claim_bus(struct unit_test_state *uts)
}
DM_TEST(dm_test_spi_claim_bus, UTF_SCAN_PDATA | UTF_SCAN_FDT);
static int dm_test_spi_set_wordlen(struct unit_test_state *uts)
{
struct spi_slave *slave;
struct udevice *bus;
const int busnum = 0, cs = 0;
ut_assertok(spi_get_bus_and_cs(busnum, cs, &bus, &slave));
ut_assertok(spi_set_wordlen(slave, 8));
ut_asserteq(8, sandbox_spi_get_wordlen(slave->dev));
ut_assertok(spi_set_wordlen(slave, 9));
ut_asserteq(9, sandbox_spi_get_wordlen(slave->dev));
return 0;
}
DM_TEST(dm_test_spi_set_wordlen, UTF_SCAN_PDATA | UTF_SCAN_FDT);
/* Test that sandbox SPI works correctly */
static int dm_test_spi_xfer(struct unit_test_state *uts)
{