From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Packham <chris.packham@alliedtelesis.co.nz>, Michael Ellerman <mpe@ellerman.id.au>, Wolfram Sang <wsa@kernel.org>, Sasha Levin <sashal@kernel.org>, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 4.14 18/18] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers Date: Thu, 3 Jun 2021 13:10:29 -0400 [thread overview] Message-ID: <20210603171029.3169669-18-sashal@kernel.org> (raw) In-Reply-To: <20210603171029.3169669-1-sashal@kernel.org> From: Chris Packham <chris.packham@alliedtelesis.co.nz> [ Upstream commit 19ae697a1e4edf1d755b413e3aa38da65e2db23b ] The i2c controllers on the P1010 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P1010 Chip Errata Rev L. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index af12ead88c5f..404f570ebe23 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ memory-controller@2000 { }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin <sashal@kernel.org>, devicetree@vger.kernel.org, Wolfram Sang <wsa@kernel.org>, Chris Packham <chris.packham@alliedtelesis.co.nz>, linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 4.14 18/18] powerpc/fsl: set fsl, i2c-erratum-a004447 flag for P1010 i2c controllers Date: Thu, 3 Jun 2021 13:10:29 -0400 [thread overview] Message-ID: <20210603171029.3169669-18-sashal@kernel.org> (raw) In-Reply-To: <20210603171029.3169669-1-sashal@kernel.org> From: Chris Packham <chris.packham@alliedtelesis.co.nz> [ Upstream commit 19ae697a1e4edf1d755b413e3aa38da65e2db23b ] The i2c controllers on the P1010 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P1010 Chip Errata Rev L. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index af12ead88c5f..404f570ebe23 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ memory-controller@2000 { }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { -- 2.30.2
next prev parent reply other threads:[~2021-06-03 17:16 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-03 17:10 [PATCH AUTOSEL 4.14 01/18] spi: Fix spi device unregister flow Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 02/18] net/nfc/rawsock.c: fix a permission check bug Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 03/18] ASoC: sti-sas: add missing MODULE_DEVICE_TABLE Sasha Levin 2021-06-03 17:10 ` Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 04/18] isdn: mISDN: netjet: Fix crash in nj_probe: Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 05/18] bonding: init notify_work earlier to avoid uninitialized use Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 06/18] netlink: disable IRQs for netlink_lock_table() Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 07/18] net: mdiobus: get rid of a BUG_ON() Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 08/18] cgroup: disable controllers at parse time Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 09/18] wq: handle VM suspension in stall detection Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 10/18] net/qla3xxx: fix schedule while atomic in ql_sem_spinlock Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 11/18] scsi: vmw_pvscsi: Set correct residual data length Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 12/18] scsi: target: qla2xxx: Wait for stop_phase1 at WWN removal Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 13/18] net: macb: ensure the device is available before accessing GEMGXL control registers Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 14/18] net: appletalk: cops: Fix data race in cops_probe1 Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 15/18] MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 16/18] bnx2x: Fix missing error code in bnx2x_iov_init_one() Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 17/18] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers Sasha Levin 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 17/18] powerpc/fsl: set fsl, i2c-erratum-a004447 " Sasha Levin 2021-06-03 17:10 ` Sasha Levin [this message] 2021-06-03 17:10 ` [PATCH AUTOSEL 4.14 18/18] powerpc/fsl: set fsl, i2c-erratum-a004447 flag for P1010 " Sasha Levin
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