On Mon, 25 Jan 2021 at 13:28, Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > > From: Arnd Bergmann <arnd@xxxxxxxx> > > Having both the driver and the unit test in the same module > leads to a link failure because of the extra init/exit functions: > > drivers/mmc/host/sdhci-of-aspeed-test.c:98:1: error: redefinition of '__inittest' > kunit_test_suite(aspeed_sdhci_test_suite); > > Make it a separate module instead. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Arnd, thanks for the patch and for your help! However, this time Andrew already posted a similar patch [1] to fix the problem, which I have just applied. [1] https://patchwork.kernel.org/project/linux-mmc/patch/20210122114852.3790565-1-andrew@xxxxxxxx/ Kind regards Uffe > --- > drivers/mmc/host/Kconfig | 2 +- > drivers/mmc/host/Makefile | 1 + > drivers/mmc/host/sdhci-of-aspeed-test.c | 5 +++++ > drivers/mmc/host/sdhci-of-aspeed.c | 11 ++++------- > drivers/mmc/host/sdhci-of-aspeed.h | 10 ++++++++++ > 5 files changed, 21 insertions(+), 8 deletions(-) > create mode 100644 drivers/mmc/host/sdhci-of-aspeed.h > > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig > index d6f00d1d6251..a248f9f6be91 100644 > --- a/drivers/mmc/host/Kconfig > +++ b/drivers/mmc/host/Kconfig > @@ -169,7 +169,7 @@ config MMC_SDHCI_OF_ASPEED > If unsure, say N. > > config MMC_SDHCI_OF_ASPEED_TEST > - bool "Tests for the ASPEED SDHCI driver" > + tristate "Tests for the ASPEED SDHCI driver" > depends on MMC_SDHCI_OF_ASPEED && KUNIT=y > help > Enable KUnit tests for the ASPEED SDHCI driver. Select this > diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile > index 451c25fc2c69..5cc7e5f13587 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 > index 34070605b28b..e7e42991534a 100644 > --- a/drivers/mmc/host/sdhci-of-aspeed-test.c > +++ b/drivers/mmc/host/sdhci-of-aspeed-test.c > @@ -2,6 +2,7 @@ > /* Copyright (C) 2020 IBM Corp. */ > > #include <kunit/test.h> > +#include "sdhci-of-aspeed.h" > > static void aspeed_sdhci_phase_ddr52(struct kunit *test) > { > @@ -96,3 +97,7 @@ static struct kunit_suite aspeed_sdhci_test_suite = { > .test_cases = aspeed_sdhci_test_cases, > }; > kunit_test_suite(aspeed_sdhci_test_suite); > + > +MODULE_DESCRIPTION("Unit test for the ASPEED SD/SDIO/SDHCI Controllers"); > +MODULE_AUTHOR("Andrew Jeffery <andrew@xxxxxxxx>"); > +MODULE_LICENSE("GPL"); > diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c > index 3b0d381e1215..dcc80099f528 100644 > --- a/drivers/mmc/host/sdhci-of-aspeed.c > +++ b/drivers/mmc/host/sdhci-of-aspeed.c > @@ -15,6 +15,7 @@ > #include <linux/platform_device.h> > #include <linux/spinlock.h> > > +#include "sdhci-of-aspeed.h" > #include "sdhci-pltfm.h" > > #define ASPEED_SDC_INFO 0x00 > @@ -42,7 +43,6 @@ struct aspeed_sdc { > struct aspeed_sdhci_tap_param { > bool valid; > > -#define ASPEED_SDHCI_TAP_PARAM_INVERT_CLK BIT(4) > u8 in; > u8 out; > }; > @@ -123,8 +123,8 @@ aspeed_sdc_set_phase_taps(struct aspeed_sdc *sdc, > #define ASPEED_SDHCI_NR_TAPS 15 > /* Measured value with *handwave* environmentals and static loading */ > #define ASPEED_SDHCI_MAX_TAP_DELAY_PS 1253 > -static int aspeed_sdhci_phase_to_tap(struct device *dev, unsigned long rate_hz, > - int phase_deg) > +int aspeed_sdhci_phase_to_tap(struct device *dev, unsigned long rate_hz, > + int phase_deg) > { > u64 phase_period_ps; > u64 prop_delay_ps; > @@ -158,6 +158,7 @@ static int aspeed_sdhci_phase_to_tap(struct device *dev, unsigned long rate_hz, > > return inverted | tap; > } > +EXPORT_SYMBOL_GPL(aspeed_sdhci_phase_to_tap); > > static void > aspeed_sdhci_phases_to_taps(struct device *dev, unsigned long rate, > @@ -579,10 +580,6 @@ static void __exit aspeed_sdc_exit(void) > } > module_exit(aspeed_sdc_exit); > > -#if defined(CONFIG_MMC_SDHCI_OF_ASPEED_TEST) > -#include "sdhci-of-aspeed-test.c" > -#endif > - > MODULE_DESCRIPTION("Driver for the ASPEED SD/SDIO/SDHCI Controllers"); > MODULE_AUTHOR("Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>"); > MODULE_AUTHOR("Andrew Jeffery <andrew@xxxxxxxx>"); > diff --git a/drivers/mmc/host/sdhci-of-aspeed.h b/drivers/mmc/host/sdhci-of-aspeed.h > new file mode 100644 > index 000000000000..931e70781d08 > --- /dev/null > +++ b/drivers/mmc/host/sdhci-of-aspeed.h > @@ -0,0 +1,10 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +#ifndef _SDHCI_OF_ASPEED_H > +#define _SDHCI_OF_ASPEED_H > + > +struct device; > +int aspeed_sdhci_phase_to_tap(struct device *dev, unsigned long rate_hz, > + int phase_deg); > +#define ASPEED_SDHCI_TAP_PARAM_INVERT_CLK BIT(4) > + > +#endif /* _SDHCI_OF_ASPEED_H */ > -- > 2.29.2 >