diff options
Diffstat (limited to 'drivers/spi/spi-loopback-test.c')
| -rw-r--r-- | drivers/spi/spi-loopback-test.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c index e6041539afed..f4875f177df0 100644 --- a/drivers/spi/spi-loopback-test.c +++ b/drivers/spi/spi-loopback-test.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/of_device.h> #include <linux/printk.h> +#include <linux/vmalloc.h> #include <linux/spi/spi.h> #include "spi-test.h" @@ -56,6 +57,18 @@ module_param(run_only_test, int, 0); MODULE_PARM_DESC(run_only_test, "only run the test with this number (0-based !)"); +/* use vmalloc'ed buffers */ +int use_vmalloc; +module_param(use_vmalloc, int, 0644); +MODULE_PARM_DESC(use_vmalloc, + "use vmalloc'ed buffers instead of kmalloc'ed"); + +/* check rx ranges */ +int check_ranges = 1; +module_param(check_ranges, int, 0644); +MODULE_PARM_DESC(check_ranges, + "checks rx_buffer pattern are valid"); + /* the actual tests to execute */ static struct spi_test spi_tests[] = { { @@ -539,9 +552,11 @@ static int spi_test_check_loopback_result(struct spi_device *spi, int ret; /* checks rx_buffer pattern are valid with loopback or without */ - ret = spi_check_rx_ranges(spi, msg, rx); - if (ret) - return ret; + if (check_ranges) { + ret = spi_check_rx_ranges(spi, msg, rx); + if (ret) + return ret; + } /* if we run without loopback, then return now */ if (!loopback) @@ -1002,13 +1017,19 @@ int spi_test_run_tests(struct spi_device *spi, /* allocate rx/tx buffers of 128kB size without devm * in the hope that is on a page boundary */ - rx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL); + if (use_vmalloc) + rx = vmalloc(SPI_TEST_MAX_SIZE_PLUS); + else + rx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL); if (!rx) { ret = -ENOMEM; goto out; } - tx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL); + if (use_vmalloc) + tx = vmalloc(SPI_TEST_MAX_SIZE_PLUS); + else + tx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL); if (!tx) { ret = -ENOMEM; goto out; @@ -1036,8 +1057,8 @@ int spi_test_run_tests(struct spi_device *spi, } out: - kfree(rx); - kfree(tx); + kvfree(rx); + kvfree(tx); return ret; } EXPORT_SYMBOL_GPL(spi_test_run_tests); |