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From: Pavel Machek <pavel@denx.de>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Mian Yousaf Kaukab <ykaukab@suse.de>,
	Shawn Guo <shawnguo@kernel.org>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 4.19 31/39] arm64: dts: ls208xa: remove bus-num from dspi node
Date: Fri, 23 Jul 2021 22:11:04 +0200	[thread overview]
Message-ID: <20210723201104.GC22684@duo.ucw.cz> (raw)
In-Reply-To: <20210714194625.55303-31-sashal@kernel.org>

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Hi!

> [ Upstream commit 8240c972c1798ea013cbb407722295fc826b3584 ]
> 
> On LS2088A-RDB board, if the spi-fsl-dspi driver is built as module
> then its probe fails with the following warning:
> 
> [   10.471363] couldn't get idr
> [   10.471381] WARNING: CPU: 4 PID: 488 at drivers/spi/spi.c:2689 spi_register_controller+0x73c/0x8d0
> ...
> [   10.471651] fsl-dspi 2100000.spi: Problem registering DSPI ctlr
> [   10.471708] fsl-dspi: probe of 2100000.spi failed with error -16
> 
> Reason for the failure is that bus-num property is set for dspi node.
> However, bus-num property is not set for the qspi node. If probe for
> spi-fsl-qspi happens first then id 0 is dynamically allocated to it.
> Call to spi_register_controller() from spi-fsl-dspi driver then fails.
> Since commit 29d2daf2c33c ("spi: spi-fsl-dspi: Make bus-num property
> optional") bus-num property is optional. Remove bus-num property from
> dspi node to fix the issue.

According to changelog this depends on 29d2daf2c33c. Than one is
present in 5.10-stable, but not in 4.19-stable, AFAICT.

Best regards,
								Pavel

> +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> @@ -479,7 +479,6 @@ dspi: spi@2100000 {
>  			clocks = <&clockgen 4 3>;
>  			clock-names = "dspi";
>  			spi-num-chipselects = <5>;
> -			bus-num = <0>;
>  		};
>  
>  		esdhc: esdhc@2140000 {

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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  reply	other threads:[~2021-07-23 20:11 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14 19:45 [PATCH AUTOSEL 4.19 01/39] ARM: dts: gemini: rename mdio to the right name Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 02/39] ARM: dts: gemini: add device_type on pci Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 03/39] ARM: dts: rockchip: fix pinctrl sleep nodename for rk3036-kylin and rk3288 Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 04/39] arm64: dts: rockchip: fix pinctrl sleep nodename for rk3399.dtsi Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 05/39] ARM: dts: rockchip: Fix the timer clocks order Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 06/39] ARM: dts: rockchip: Fix IOMMU nodes properties on rk322x Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 07/39] ARM: dts: rockchip: Fix power-controller node names for rk3288 Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 08/39] arm64: dts: rockchip: Fix power-controller node names for rk3328 Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 09/39] reset: ti-syscon: fix to_ti_syscon_reset_data macro Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 10/39] ARM: brcmstb: dts: fix NAND nodes names Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 11/39] ARM: Cygnus: " Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 12/39] ARM: NSP: " Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 13/39] ARM: dts: BCM63xx: Fix " Sasha Levin
2021-07-14 19:45 ` [PATCH AUTOSEL 4.19 14/39] ARM: dts: Hurricane 2: " Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 15/39] ARM: dts: imx25-pinfunc: Fix gpio function name for pads GPIO_[A-F] Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 16/39] ARM: dts: imx6: phyFLEX: Fix UART hardware flow control Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 17/39] ARM: imx: pm-imx5: Fix references to imx5_cpu_suspend_info Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 18/39] rtc: mxc_v2: add missing MODULE_DEVICE_TABLE Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 19/39] ARM: dts: am335x: align GPIO hog names with dt-schema Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 20/39] ARM: dts: am437x: align gpio " Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 21/39] ARM: dts: omap5-board-common: " Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 22/39] ARM: dts: dra7x-evm: Align GPIO " Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 23/39] ARM: dts: stm32: fix gpio-keys node on STM32 MCU boards Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 24/39] ARM: dts: stm32: fix RCC node name on stm32f429 MCU Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 25/39] ARM: dts: stm32: fix timer nodes on STM32 MCU to prevent warnings Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 26/39] arm64: dts: juno: Update SCPI nodes as per the YAML schema Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 27/39] ARM: dts: rockchip: fix supply properties in io-domains nodes Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 28/39] ARM: dts: stm32: fix i2c node name on stm32f746 to prevent warnings Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 29/39] ARM: dts: stm32: move stmmac axi config in ethernet node on stm32mp15 Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 30/39] soc/tegra: fuse: Fix Tegra234-only builds Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 31/39] arm64: dts: ls208xa: remove bus-num from dspi node Sasha Levin
2021-07-23 20:11   ` Pavel Machek [this message]
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 32/39] thermal/core: Correct function name thermal_zone_device_unregister() Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 33/39] kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 34/39] rtc: max77686: Do not enforce (incorrect) interrupt trigger type Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 35/39] scsi: aic7xxx: Fix unintentional sign extension issue on left shift of u8 Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 36/39] scsi: libsas: Add LUN number check in .slave_alloc callback Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 37/39] scsi: be2iscsi: Fix some missing space in some messages Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 38/39] scsi: libfc: Fix array index out of bound exception Sasha Levin
2021-07-14 19:46 ` [PATCH AUTOSEL 4.19 39/39] sched/fair: Fix CFS bandwidth hrtimer expiry type Sasha Levin

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