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spi: spi-loopback-test: Add module param for iteration length 

SPI test framework is designed to run each test case for
a list of lengths.
Introduce a module parameter to limit the iterations
to a single value among the list of lengths.

Signed-off-by: Rohit Ner <rohitner@google.com>
Link: https://lore.kernel.org/r/20230412202009.3750955-2-rohitner@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rohit Ner 2023-04-12 13:20:09 -07:00 committed by Mark Brown
parent 909fac05b9
commit 6d87552c0b
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GPG Key ID: 24D68B725D5487D0
1 changed files with 8 additions and 0 deletions
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8
drivers/spi/spi-loopback-test.c
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@ -53,6 +53,12 @@ module_param(no_cs, int, 0);
MODULE_PARM_DESC(no_cs,
"if set Chip Select (CS) will not be used");
/* run tests only for a specific length */
static int run_only_iter_len = -1;
module_param(run_only_iter_len, int, 0);
MODULE_PARM_DESC(run_only_iter_len,
"only run tests for a length of this number in iterate_len list");
/* run only a specific test */
static int run_only_test = -1;
module_param(run_only_test, int, 0);
@ -1033,6 +1039,8 @@ int spi_test_run_test(struct spi_device *spi, const struct spi_test *test,
for (idx_len = 0; idx_len < SPI_TEST_MAX_ITERATE &&
(len = test->iterate_len[idx_len]) != -1; idx_len++) {
if ((run_only_iter_len > -1) && len != run_only_iter_len)
continue;
FOR_EACH_ALIGNMENT(tx_align) {
FOR_EACH_ALIGNMENT(rx_align) {
/* and run the iteration */