On Sun, Nov 14, 2021 at 6:34 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > > BCM63XX selects HAVE_LEGACY_CLK but does not provide/support > clk_get_parent(), so add a simple implementation of that > function so that callers of it will build without errors. > > Fixes these build errors: > > mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4770_adc_init_clk_div': > ingenic-adc.c:(.text+0xe4): undefined reference to `clk_get_parent' > mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4725b_adc_init_clk_div': > ingenic-adc.c:(.text+0x1b8): undefined reference to `clk_get_parent' Some nit-picks below. Otherwise looks good to me, Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Suggested-by? > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Cc: Artur Rojek <contact@xxxxxxxxxxxxxx> > Cc: Paul Cercueil <paul@xxxxxxxxxxxxxxx> > Cc: linux-mips@xxxxxxxxxxxxxxx > Cc: Jonathan Cameron <jic23@xxxxxxxxxx> > Cc: Lars-Peter Clausen <lars@xxxxxxxxxx> > Cc: linux-iio@xxxxxxxxxxxxxxx > Cc: Florian Fainelli <f.fainelli@xxxxxxxxx> > Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Cc: Russell King <linux@xxxxxxxxxxxxxxx> > Cc: bcm-kernel-feedback-list@xxxxxxxxxxxx > Cc: Jonas Gorski <jonas.gorski@xxxxxxxxx> > --- > v1 and v2 were: > [PATCH] iio/adc: ingenic: fix (MIPS) ingenic-adc build errors > Fixes: 1a78daea107d ("IIO: add Ingenic JZ47xx ADC driver.") Not sure why it's here. What does (the location of) this tag mean? > arch/mips/bcm63xx/clk.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > --- linux-next-20211112.orig/arch/mips/bcm63xx/clk.c > +++ linux-next-20211112/arch/mips/bcm63xx/clk.c > @@ -381,6 +381,13 @@ void clk_disable(struct clk *clk) > > EXPORT_SYMBOL(clk_disable); > > +struct clk *clk_get_parent(struct clk *clk) > +{ > + return NULL; > +} > + Perhaps it's not needed even if the rest have it (I mean blank line). > +EXPORT_SYMBOL(clk_get_parent); > + > unsigned long clk_get_rate(struct clk *clk) > { > if (!clk) -- With Best Regards, Andy Shevchenko