linux-kernel - RE: [PATCH v2 3/3] arm64: dts: imx8ulp: correct the flexspi compatible string

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Message-ID:
 <DU0PR04MB94967C22FBBEF9A0D35FAFBC909D2@DU0PR04MB9496.eurprd04.prod.outlook.com>
Date: Thu, 5 Sep 2024 03:22:43 +0000
From: Bough Chen <haibo.chen@....com>
To: Frank Li <frank.li@....com>
CC: Han Xu <han.xu@....com>, "yogeshgaur.83@...il.com"
	<yogeshgaur.83@...il.com>, "broonie@...nel.org" <broonie@...nel.org>,
	"robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de"
	<s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>,
	"festevam@...il.com" <festevam@...il.com>, "singh.kuldeep87k@...il.com"
	<singh.kuldeep87k@...il.com>, "hs@...x.de" <hs@...x.de>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2 3/3] arm64: dts: imx8ulp: correct the flexspi
 compatible string


> -----Original Message-----
> From: Frank Li <frank.li@....com>
> Sent: 2024年9月5日 11:09
> To: Bough Chen <haibo.chen@....com>
> Cc: Han Xu <han.xu@....com>; yogeshgaur.83@...il.com;
> broonie@...nel.org; robh@...nel.org; krzk+dt@...nel.org;
> conor+dt@...nel.org; shawnguo@...nel.org; s.hauer@...gutronix.de;
> kernel@...gutronix.de; festevam@...il.com; singh.kuldeep87k@...il.com;
> hs@...x.de; linux-spi@...r.kernel.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; imx@...ts.linux.dev;
> linux-arm-kernel@...ts.infradead.org
> Subject: Re: [PATCH v2 3/3] arm64: dts: imx8ulp: correct the flexspi compatible
> string
> 
> On Thu, Sep 05, 2024 at 09:26:17AM +0800, haibo.chen@....com wrote:
> > From: Haibo Chen <haibo.chen@....com>
> >
> > The flexspi on imx8ulp only has 16 LUTs, and imx8mm flexspi has
> > 32 LUTs, so correct the compatible string here, otherwise will meet
> > below error:
> 
> Not sure if need fix tag.

If add fix tag here, when back porting to stable tree, also need to back port the other two patch in this patch set.
So all these three patches need add cc-stable and add fix tag?

Best Regards
Haibo Chen

> 
> Frank
> >
> > [    1.119072] ------------[ cut here ]------------
> > [    1.123926] WARNING: CPU: 0 PID: 1 at drivers/spi/spi-nxp-fspi.c:855
> nxp_fspi_exec_op+0xb04/0xb64
> > [    1.133239] Modules linked in:
> > [    1.136448] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted
> 6.11.0-rc6-next-20240902-00001-g131bf9439dd9 #69
> > [    1.146821] Hardware name: NXP i.MX8ULP EVK (DT)
> > [    1.151647] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS
> BTYPE=--)
> > [    1.158931] pc : nxp_fspi_exec_op+0xb04/0xb64
> > [    1.163496] lr : nxp_fspi_exec_op+0xa34/0xb64
> > [    1.168060] sp : ffff80008002b2a0
> > [    1.171526] x29: ffff80008002b2d0 x28: 0000000000000000 x27:
> 0000000000000000
> > [    1.179002] x26: ffff2eb645542580 x25: ffff800080610014 x24:
> ffff800080610000
> > [    1.186480] x23: ffff2eb645548080 x22: 0000000000000006 x21:
> ffff2eb6455425e0
> > [    1.193956] x20: 0000000000000000 x19: ffff80008002b5e0 x18:
> ffffffffffffffff
> > [    1.201432] x17: ffff2eb644467508 x16: 0000000000000138 x15:
> 0000000000000002
> > [    1.208907] x14: 0000000000000000 x13: ffff2eb6400d8080 x12:
> 00000000ffffff00
> > [    1.216378] x11: 0000000000000000 x10: ffff2eb6400d8080 x9 :
> ffff2eb697adca80
> > [    1.223850] x8 : ffff2eb697ad3cc0 x7 : 0000000100000000 x6 :
> 0000000000000001
> > [    1.231324] x5 : 0000000000000000 x4 : 0000000000000000 x3 :
> 00000000000007a6
> > [    1.238795] x2 : 0000000000000000 x1 : 00000000000001ce x0 :
> 00000000ffffff92
> > [    1.246267] Call trace:
> > [    1.248824]  nxp_fspi_exec_op+0xb04/0xb64
> > [    1.253031]  spi_mem_exec_op+0x3a0/0x430
> > [    1.257139]  spi_nor_read_id+0x80/0xcc
> > [    1.261065]  spi_nor_scan+0x1ec/0xf10
> > [    1.264901]  spi_nor_probe+0x108/0x2fc
> > [    1.268828]  spi_mem_probe+0x6c/0xbc
> > [    1.272574]  spi_probe+0x84/0xe4
> > [    1.275958]  really_probe+0xbc/0x29c
> > [    1.279713]  __driver_probe_device+0x78/0x12c
> > [    1.284277]  driver_probe_device+0xd8/0x15c
> > [    1.288660]  __device_attach_driver+0xb8/0x134
> > [    1.293316]  bus_for_each_drv+0x88/0xe8
> > [    1.297337]  __device_attach+0xa0/0x190
> > [    1.301353]  device_initial_probe+0x14/0x20
> > [    1.305734]  bus_probe_device+0xac/0xb0
> > [    1.309752]  device_add+0x5d0/0x790
> > [    1.313408]  __spi_add_device+0x134/0x204
> > [    1.317606]  of_register_spi_device+0x3b4/0x590
> > [    1.322348]  spi_register_controller+0x47c/0x754
> > [    1.327181]  devm_spi_register_controller+0x4c/0xa4
> > [    1.332289]  nxp_fspi_probe+0x1cc/0x2b0
> > [    1.336307]  platform_probe+0x68/0xc4
> > [    1.340145]  really_probe+0xbc/0x29c
> > [    1.343893]  __driver_probe_device+0x78/0x12c
> > [    1.348457]  driver_probe_device+0xd8/0x15c
> > [    1.352838]  __driver_attach+0x90/0x19c
> > [    1.356857]  bus_for_each_dev+0x7c/0xdc
> > [    1.360877]  driver_attach+0x24/0x30
> > [    1.364624]  bus_add_driver+0xe4/0x208
> > [    1.368552]  driver_register+0x5c/0x124
> > [    1.372573]  __platform_driver_register+0x28/0x34
> > [    1.377497]  nxp_fspi_driver_init+0x1c/0x28
> > [    1.381888]  do_one_initcall+0x80/0x1c8
> > [    1.385908]  kernel_init_freeable+0x1c4/0x28c
> > [    1.390472]  kernel_init+0x20/0x1d8
> > [    1.394138]  ret_from_fork+0x10/0x20
> > [    1.397885] ---[ end trace 0000000000000000 ]---
> > [    1.407908] ------------[ cut here ]------------
> >
> > Signed-off-by: Haibo Chen <haibo.chen@....com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > index e32d5afcf4a9..43f543768444 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > @@ -384,7 +384,7 @@ pcc4: clock-controller@...00000 {
> >  			};
> >
> >  			flexspi2: spi@...10000 {
> > -				compatible = "nxp,imx8mm-fspi";
> > +				compatible = "nxp,imx8ulp-fspi";
> >  				reg = <0x29810000 0x10000>, <0x60000000 0x10000000>;
> >  				reg-names = "fspi_base", "fspi_mmap";
> >  				#address-cells = <1>;
> > --
> > 2.34.1
> >