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Revision 9577fc5fdc8b07b891709af6453545db405e24ad authored by Michael Walle on 27 June 2022, 17:06:43 UTC, committed by David S. Miller on 29 June 2022, 13:05:00 UTC 
NFC: nxp-nci: don't print header length mismatch on i2c error
 
Don't print a misleading header length mismatch error if the i2c call
returns an error. Instead just return the error code without any error
message.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent eddd95b
Raw File
test_bits.c 
// SPDX-License-Identifier: GPL-2.0+
/*
 * Test cases for functions and macros in bits.h
 */

#include <kunit/test.h>
#include <linux/bits.h>


static void genmask_test(struct kunit *test)
{
	KUNIT_EXPECT_EQ(test, 1ul, GENMASK(0, 0));
	KUNIT_EXPECT_EQ(test, 3ul, GENMASK(1, 0));
	KUNIT_EXPECT_EQ(test, 6ul, GENMASK(2, 1));
	KUNIT_EXPECT_EQ(test, 0xFFFFFFFFul, GENMASK(31, 0));

#ifdef TEST_GENMASK_FAILURES
	/* these should fail compilation */
	GENMASK(0, 1);
	GENMASK(0, 10);
	GENMASK(9, 10);
#endif


}

static void genmask_ull_test(struct kunit *test)
{
	KUNIT_EXPECT_EQ(test, 1ull, GENMASK_ULL(0, 0));
	KUNIT_EXPECT_EQ(test, 3ull, GENMASK_ULL(1, 0));
	KUNIT_EXPECT_EQ(test, 0x000000ffffe00000ull, GENMASK_ULL(39, 21));
	KUNIT_EXPECT_EQ(test, 0xffffffffffffffffull, GENMASK_ULL(63, 0));

#ifdef TEST_GENMASK_FAILURES
	/* these should fail compilation */
	GENMASK_ULL(0, 1);
	GENMASK_ULL(0, 10);
	GENMASK_ULL(9, 10);
#endif
}

static void genmask_input_check_test(struct kunit *test)
{
	unsigned int x, y;
	int z, w;

	/* Unknown input */
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(x, 0));
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(0, x));
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(x, y));

	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(z, 0));
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(0, z));
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(z, w));

	/* Valid input */
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(1, 1));
	KUNIT_EXPECT_EQ(test, 0, GENMASK_INPUT_CHECK(39, 21));
}


static struct kunit_case bits_test_cases[] = {
	KUNIT_CASE(genmask_test),
	KUNIT_CASE(genmask_ull_test),
	KUNIT_CASE(genmask_input_check_test),
	{}
};

static struct kunit_suite bits_test_suite = {
	.name = "bits-test",
	.test_cases = bits_test_cases,
};
kunit_test_suite(bits_test_suite);

MODULE_LICENSE("GPL");
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