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Date: Tue, 10 Jan 2017 14:34:55 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Bartosz Golaszewski <bgolaszewski@...libre.com>, Sekhar Nori <nsekhar@...com> Subject: [PATCH 4.9 012/206] ARM: davinci: da850: dont add emac clock to lookup table twice 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bartosz Golaszewski <bgolaszewski@...libre.com> commit ef37427ac5677331145ab27a17e6f5f1b43f0c11 upstream. Similarly to the aemif clock - this screws up the linked list of clock children. Create a separate clock for mdio inheriting the rate from emac_clk. Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com> [nsekhar@...com: add a comment over mdio_clk to explaing its existence + commit headline updates] Signed-off-by: Sekhar Nori <nsekhar@...com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/arm/mach-davinci/da850.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -319,6 +319,16 @@ static struct clk emac_clk = { .gpsc = 1, }; +/* + * In order to avoid adding the emac_clk to the clock lookup table twice (and + * screwing up the linked list in the process) create a separate clock for + * mdio inheriting the rate from emac_clk. + */ +static struct clk mdio_clk = { + .name = "mdio", + .parent = &emac_clk, +}; + static struct clk mcasp_clk = { .name = "mcasp", .parent = &async3_clk, @@ -494,7 +504,7 @@ static struct clk_lookup da850_clks[] = CLK(NULL, "arm", &arm_clk), CLK(NULL, "rmii", &rmii_clk), CLK("davinci_emac.1", NULL, &emac_clk), - CLK("davinci_mdio.0", "fck", &emac_clk), + CLK("davinci_mdio.0", "fck", &mdio_clk), CLK("davinci-mcasp.0", NULL, &mcasp_clk), CLK("davinci-mcbsp.0", NULL, &mcbsp0_clk), CLK("davinci-mcbsp.1", NULL, &mcbsp1_clk),
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