linux-kernel - [PATCH 4.4 14/47] ARM: dts: imx6q: Use correct SDMA script for SPI5 core

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180710182337.738673855@linuxfoundation.org>
Date:   Tue, 10 Jul 2018 20:24:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sean Nyekjaer <sean.nyekjaer@...vas.dk>,
        Fabio Estevam <fabio.estevam@....com>,
        Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH 4.4 14/47] ARM: dts: imx6q: Use correct SDMA script for SPI5 core

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sean Nyekjaer <sean.nyekjaer@...vas.dk>

commit df07101e1c4a29e820df02f9989a066988b160e6 upstream.

According to the reference manual the shp_2_mcu / mcu_2_shp
scripts must be used for devices connected through the SPBA.

This fixes an issue we saw with DMA transfers.
Sometimes the SPI controller RX FIFO was not empty after a DMA
transfer and the driver got stuck in the next PIO transfer when
it read one word more than expected.

commit dd4b487b32a35 ("ARM: dts: imx6: Use correct SDMA script
for SPI cores") is fixing the same issue but only for SPI1 - 4.

Fixes: 677940258dd8e ("ARM: dts: imx6q: enable dma for ecspi5")
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@...vas.dk>
Reviewed-by: Fabio Estevam <fabio.estevam@....com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/imx6q.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -95,7 +95,7 @@
 					clocks = <&clks IMX6Q_CLK_ECSPI5>,
 						 <&clks IMX6Q_CLK_ECSPI5>;
 					clock-names = "ipg", "per";
-					dmas = <&sdma 11 7 1>, <&sdma 12 7 2>;
+					dmas = <&sdma 11 8 1>, <&sdma 12 8 2>;
 					dma-names = "rx", "tx";
 					status = "disabled";
 				};