linux-kernel - [PATCH v3 7/7] ARM: bcm2835: Tie SPI clock to the core clock rate.

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Date:	Mon,  8 Jun 2015 16:59:00 -0700
From:	Eric Anholt <eric@...olt.net>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Stephen Warren <swarren@...dotorg.org>,
	Lee Jones <lee@...nel.org>, linux-clk@...r.kernel.org,
	Stephen Boyd <sboyd@...eaurora.org>,
	Mike Turquette <mturquette@...aro.org>,
	Eric Anholt <eric@...olt.net>
Subject: [PATCH v3 7/7] ARM: bcm2835: Tie SPI clock to the core clock rate.

We were previously using a fixed clock declared in the 2835 DT, but
it's actually the core clock, and it might not be the same if you had
adjusted it using the firmware's config.txt.

Signed-off-by: Eric Anholt <eric@...olt.net>
---
 arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index 9549eb8..0a32123 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -69,3 +69,7 @@
 		 <&firmware_clocks RPI_CLOCK_CORE>;
 	clock-names = "uartclk", "apb_pclk";
 };
+
+&spi {
+	clocks = <&firmware_clocks RPI_CLOCK_CORE>;
+};
-- 
2.1.4

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