linux-kernel - [PATCH 4.20 156/171] arm64: dts: hikey: Revert "Enable HS200 mode on eMMC"

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Message-Id: <20190312170400.911136900@linuxfoundation.org>
Date:   Tue, 12 Mar 2019 10:08:56 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ryan Grachek <ryan@...ted.us>,
        Wei Xu <xuwei5@...ilicon.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Alistair Strachan <astrachan@...gle.com>,
        John Stultz <john.stultz@...aro.org>
Subject: [PATCH 4.20 156/171] arm64: dts: hikey: Revert "Enable HS200 mode on eMMC"

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

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

From: Alistair Strachan <astrachan@...gle.com>

commit 8d26c1390aec795d492b8de5e4437751e8805a1d upstream.

This reverts commit abd7d0972a192ee653efc7b151a6af69db58f2bb. This
change was already partially reverted by John Stultz in
commit 9c6d26df1fae ("arm64: dts: hikey: Fix eMMC corruption regression").

This change appears to cause controller resets and block read failures
which prevents successful booting on some hikey boards.

Cc: Ryan Grachek <ryan@...ted.us>
Cc: Wei Xu <xuwei5@...ilicon.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org
Cc: stable <stable@...r.kernel.org> #4.17+
Signed-off-by: Alistair Strachan <astrachan@...gle.com>
Signed-off-by: John Stultz <john.stultz@...aro.org>
Signed-off-by: Wei Xu <xuwei5@...ilicon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts |    1 -
 1 file changed, 1 deletion(-)

--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -301,7 +301,6 @@
 
 		dwmmc_0: dwmmc0@...3d000 {
 			cap-mmc-highspeed;
-			mmc-hs200-1_8v;
 			non-removable;
 			bus-width = <0x8>;
 			vmmc-supply = <&ldo19>;