diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-03-28 23:49:24 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-15 11:53:02 +0200 |
| commit | cc6fa2bd0da320adaa5044e58b2ed82c4072665b (patch) | |
| tree | 014fbf3e0e6ce210892b4c0e8efd6295918ab342 /arch | |
| parent | 1023ef5df460ea83d54a520fc977e0ce547b6f62 (diff) | |
ARM: dts: imx50: Specify IMX5_CLK_IPG as "ahb" clock to SDMA
[ Upstream commit b7b4fda2636296471e29b78c2aa9535d7bedb7a0 ]
Since 25aaa75df1e6 SDMA driver uses clock rates of "ipg" and "ahb"
clock to determine if it needs to configure the IP block as operating
at 1:1 or 1:2 clock ratio (ACR bit in SDMAARM_CONFIG). Specifying both
clocks as IMX5_CLK_SDMA results in driver incorrectly thinking that
ratio is 1:1 which results in broken SDMA funtionality. Fix the code
to specify IMX5_CLK_AHB as "ahb" clock for SDMA, to avoid detecting
incorrect clock ratio.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Angus Ainslie (Purism) <angus@akkea.ca>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/imx50.dtsi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi index ee1e3e8bf4ec..4a68e30cc668 100644 --- a/arch/arm/boot/dts/imx50.dtsi +++ b/arch/arm/boot/dts/imx50.dtsi @@ -411,7 +411,7 @@ reg = <0x63fb0000 0x4000>; interrupts = <6>; clocks = <&clks IMX5_CLK_SDMA_GATE>, - <&clks IMX5_CLK_SDMA_GATE>; + <&clks IMX5_CLK_AHB>; clock-names = "ipg", "ahb"; #dma-cells = <3>; fsl,sdma-ram-script-name = "imx/sdma/sdma-imx50.bin"; |