Message ID | 20201207142556.2045481-5-andrew@aj.id.au (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | mmc: sdhci-of-aspeed: Expose phase delay tuning | expand |
Hi Andrew, I love your patch! Yet something to improve: [auto build test ERROR on joel-aspeed/for-next] [also build test ERROR on linus/master v5.10-rc7 next-20201207] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Andrew-Jeffery/mmc-sdhci-of-aspeed-Expose-phase-delay-tuning/20201207-223013 base: https://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed.git for-next config: powerpc-allmodconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/0b6ccdd94c4a194549dfc4a3212bd6be5d2841ef git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andrew-Jeffery/mmc-sdhci-of-aspeed-Expose-phase-delay-tuning/20201207-223013 git checkout 0b6ccdd94c4a194549dfc4a3212bd6be5d2841ef # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> All errors (new ones prefixed by >>): >> powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:(.toc+0x0): undefined reference to `kunit_binary_assert_format' powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o: in function `.aspeed_sdhci_remove': >> sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_remove+0x34): undefined reference to `.sdhci_remove_host' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_remove+0x5c): undefined reference to `.sdhci_pltfm_free' powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o: in function `.aspeed_sdhci_get_max_clock': >> sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_get_max_clock+0x54): undefined reference to `.sdhci_pltfm_clk_get_max_clock' powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o: in function `.aspeed_sdhci_probe': >> sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x8c): undefined reference to `.sdhci_pltfm_init' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x2c0): undefined reference to `.sdhci_get_property' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x374): undefined reference to `.mmc_of_parse' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x3bc): undefined reference to `.mmc_of_parse_clk_phase' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x3d0): undefined reference to `.sdhci_add_host' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_probe+0x424): undefined reference to `.sdhci_pltfm_free' powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o: in function `.aspeed_sdhci_phase_hs200': >> sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x270): undefined reference to `.kunit_do_assertion' >> powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x2f8): undefined reference to `.kunit_do_assertion' powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x380): undefined reference to `.kunit_do_assertion' powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x410): undefined reference to `.kunit_do_assertion' powerpc64-linux-ld: sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x4a8): undefined reference to `.kunit_do_assertion' powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_phase_hs200+0x530): more undefined references to `.kunit_do_assertion' follow powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o: in function `.aspeed_sdhci_set_clock': >> sdhci-of-aspeed-test.c:(.text.aspeed_sdhci_set_clock+0x5c4): undefined reference to `.sdhci_enable_clk' >> powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:(.data.rel.aspeed_sdc_driver+0xa0): undefined reference to `sdhci_pltfm_pmops' >> powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:(.data.rel.ro.aspeed_sdhci_ops+0x20): undefined reference to `sdhci_set_uhs_signaling' >> powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:(.data.rel.ro.aspeed_sdhci_ops+0x88): undefined reference to `sdhci_reset' >> powerpc64-linux-ld: drivers/mmc/host/sdhci-of-aspeed-test.o:(.data.rel.ro.aspeed_sdhci_ops+0xd8): undefined reference to `sdhci_pltfm_clk_get_max_clock' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 596f32637315..9f910655d6ea 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -168,6 +168,20 @@ config MMC_SDHCI_OF_ASPEED If unsure, say N. +config MMC_SDHCI_OF_ASPEED_TEST + bool "Test for the ASPEED SDHCI controller" + depends on MMC_SDHCI_OF_ASPEED && KUNIT + help + Enable KUnit tests for the ASPEED SDHCI driver. Select this + option only if you will boot the kernel for the purpose of running + unit tests (e.g. under UML or qemu). + + The KUnit tests generally exercise parts of the driver that do not + directly touch the hardware, for example, the phase correction + calculations. + + If unsure, say N. + config MMC_SDHCI_OF_AT91 tristate "SDHCI OF support for the Atmel SDMMC controller" depends on MMC_SDHCI_PLTFM diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 451c25fc2c69..3ee59d5802cf 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -90,6 +90,7 @@ obj-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o obj-$(CONFIG_MMC_SDHCI_TEGRA) += sdhci-tegra.o obj-$(CONFIG_MMC_SDHCI_OF_ARASAN) += sdhci-of-arasan.o obj-$(CONFIG_MMC_SDHCI_OF_ASPEED) += sdhci-of-aspeed.o +obj-$(CONFIG_MMC_SDHCI_OF_ASPEED_TEST) += sdhci-of-aspeed-test.o obj-$(CONFIG_MMC_SDHCI_OF_AT91) += sdhci-of-at91.o obj-$(CONFIG_MMC_SDHCI_OF_ESDHC) += sdhci-of-esdhc.o obj-$(CONFIG_MMC_SDHCI_OF_HLWD) += sdhci-of-hlwd.o diff --git a/drivers/mmc/host/sdhci-of-aspeed-test.c b/drivers/mmc/host/sdhci-of-aspeed-test.c new file mode 100644 index 000000000000..fb79b278fb81 --- /dev/null +++ b/drivers/mmc/host/sdhci-of-aspeed-test.c @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright (C) 2020 IBM Corp. */ + +#include <kunit/test.h> + +#include "sdhci-of-aspeed.c" + +static void aspeed_sdhci_phase_ddr52(struct kunit *test) +{ + int rate = 52000000; + + KUNIT_EXPECT_EQ(test, 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 0)); + KUNIT_EXPECT_EQ(test, 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 1)); + KUNIT_EXPECT_EQ(test, 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 2)); + KUNIT_EXPECT_EQ(test, 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 3)); + KUNIT_EXPECT_EQ(test, 2, + aspeed_sdhci_phase_to_tap(NULL, rate, 4)); + KUNIT_EXPECT_EQ(test, 3, + aspeed_sdhci_phase_to_tap(NULL, rate, 5)); + KUNIT_EXPECT_EQ(test, 14, + aspeed_sdhci_phase_to_tap(NULL, rate, 23)); + KUNIT_EXPECT_EQ(test, 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 24)); + KUNIT_EXPECT_EQ(test, 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 25)); + + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 180)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 181)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 182)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 183)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 2, + aspeed_sdhci_phase_to_tap(NULL, rate, 184)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 3, + aspeed_sdhci_phase_to_tap(NULL, rate, 185)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 14, + aspeed_sdhci_phase_to_tap(NULL, rate, 203)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 204)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 205)); +} + +static void aspeed_sdhci_phase_hs200(struct kunit *test) +{ + int rate = 200000000; + + KUNIT_EXPECT_EQ(test, 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 0)); + KUNIT_EXPECT_EQ(test, 0, + aspeed_sdhci_phase_to_tap(NULL, rate, 5)); + KUNIT_EXPECT_EQ(test, 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 6)); + KUNIT_EXPECT_EQ(test, 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 7)); + KUNIT_EXPECT_EQ(test, 14, + aspeed_sdhci_phase_to_tap(NULL, rate, 89)); + KUNIT_EXPECT_EQ(test, 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 90)); + KUNIT_EXPECT_EQ(test, 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 91)); + KUNIT_EXPECT_EQ(test, 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 96)); + + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK, + aspeed_sdhci_phase_to_tap(NULL, rate, 180)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK, + aspeed_sdhci_phase_to_tap(NULL, rate, 185)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 186)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 1, + aspeed_sdhci_phase_to_tap(NULL, rate, 187)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 14, + aspeed_sdhci_phase_to_tap(NULL, rate, 269)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 270)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 271)); + KUNIT_EXPECT_EQ(test, (int)ASPEED_SDHCI_TAP_PARAM_INVERT_CLK | 15, + aspeed_sdhci_phase_to_tap(NULL, rate, 276)); +} + +static struct kunit_case aspeed_sdhci_test_cases[] = { + KUNIT_CASE(aspeed_sdhci_phase_ddr52), + KUNIT_CASE(aspeed_sdhci_phase_hs200), + {} +}; + +static struct kunit_suite aspeed_sdhci_test_suite = { + .name = "sdhci-of-aspeed", + .test_cases = aspeed_sdhci_test_cases, +}; +kunit_test_suite(aspeed_sdhci_test_suite);
Converting degrees of phase to logic delays is irritating to test on hardware, so lets exercise the function using KUnit. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> --- drivers/mmc/host/Kconfig | 14 ++++ drivers/mmc/host/Makefile | 1 + drivers/mmc/host/sdhci-of-aspeed-test.c | 100 ++++++++++++++++++++++++ 3 files changed, 115 insertions(+) create mode 100644 drivers/mmc/host/sdhci-of-aspeed-test.c