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    Subject[PATCH 4.19 291/323] mips: bcm63xx: add support for clk_get_parent()
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit e8f67482e5a4bc8d0b65d606d08cb60ee123b468 ]

    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'

    Fixes: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs." )
    Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
    Reported-by: kernel test robot <lkp@intel.com>
    Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    Cc: Artur Rojek <contact@artur-rojek.eu>
    Cc: Paul Cercueil <paul@crapouillou.net>
    Cc: linux-mips@vger.kernel.org
    Cc: Jonathan Cameron <jic23@kernel.org>
    Cc: Lars-Peter Clausen <lars@metafoo.de>
    Cc: linux-iio@vger.kernel.org
    Cc: Florian Fainelli <f.fainelli@gmail.com>
    Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
    Cc: Russell King <linux@armlinux.org.uk>
    Cc: bcm-kernel-feedback-list@broadcom.com
    Cc: Jonas Gorski <jonas.gorski@gmail.com>
    Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
    Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
    Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    Acked-by: Florian Fainelli <f.fainelli@gmail.com>
    Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/mips/bcm63xx/clk.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
    index 164115944a7fd..aba6e2d6a736c 100644
    --- a/arch/mips/bcm63xx/clk.c
    +++ b/arch/mips/bcm63xx/clk.c
    @@ -381,6 +381,12 @@ void clk_disable(struct clk *clk)

    EXPORT_SYMBOL(clk_disable);

    +struct clk *clk_get_parent(struct clk *clk)
    +{
    + return NULL;
    +}
    +EXPORT_SYMBOL(clk_get_parent);
    +
    unsigned long clk_get_rate(struct clk *clk)
    {
    if (!clk)
    --
    2.33.0


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