On 4/22/20 8:34 AM, Masahiro Yamada wrote: > If sdhci-of-at91.c is compiled without CONFIG_HAVE_CLK, the line > > caps1 |= FIELD_PREP(SDHCI_CLOCK_MUL_MASK, clk_mul); > > ... emits "FIELD_PREP: value too large for the field" warning. > > The compiler seems to decide clk_mul is constant (unsigned int)-1, > because clk_get_rate() returns 0 when CONFIG_HAVE_CLK is disabled. > > Add HAVE_CLK to the depenency since this driver does not work without > the clock APIs anyway. > > Link: https://lkml.org/lkml/2020/4/17/613 > Fixes: linux-next ("mmc: sdhci: use FIELD_GET/PREP for capabilities bit masks") > Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Suggested-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested Thanks. > --- > > Ulf, > > I do not know how to fill the Fixes tag. > It is currently 8da1ff4f68a2 in linux-next, but I am not sure it is > stable. I just added 'linux-next'. > > If you have a preferred way, please modify it. > > > > > > drivers/mmc/host/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig > index 462b5352fea7..2aee844722d6 100644 > --- a/drivers/mmc/host/Kconfig > +++ b/drivers/mmc/host/Kconfig > @@ -171,7 +171,7 @@ config MMC_SDHCI_OF_ASPEED > config MMC_SDHCI_OF_AT91 > tristate "SDHCI OF support for the Atmel SDMMC controller" > depends on MMC_SDHCI_PLTFM > - depends on OF > + depends on OF && HAVE_CLK > help > This selects the Atmel SDMMC driver > > -- ~Randy
