linux-kernel - Re: [PATCH v18 6/7] crypto: caam: cleanup CONFIG

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Date:   Tue, 3 Jul 2018 20:55:59 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Logan Gunthorpe <logang@...tatee.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        linux-ntb@...glegroups.com,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Horia Geantă <horia.geanta@....com>,
        Dan Douglass <dan.douglass@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v18 6/7] crypto: caam: cleanup CONFIG_64BIT ifdefs when
 using io{read|write}64

On Tue, Jul 3, 2018 at 5:40 PM, Andy Shevchenko
<andy.shevchenko@...il.com> wrote:

> And here just a wild guess, if you comment out a BUG() in IRQ handler,
> does it boot?

Not really. It fails a bit later:

[    3.863231] caam 2100000.caam: Entropy delay = 3200
[    3.929028] caam 2100000.caam: Instantiated RNG4 SH0
[    3.989789] caam 2100000.caam: Instantiated RNG4 SH1
[    3.994809] caam 2100000.caam: device ID = 0x0a16010000000000 (Era 4)
[    4.001313] caam 2100000.caam: job rings = 2, qi = 0
[    4.019569]  mmcblk1: p1 p2
[    4.021007] caam algorithms registered in /proc/crypto
[    4.030633] caam_jr 2101000.jr0: job ring error: irqstate: 00000103
[    4.037036] Internal error: Oops - undefined instruction: 0 [#1] SMP ARM
[    4.043751] Modules linked in:
[    4.046829] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
4.18.0-rc3-next-20180703-00001-g62a05d4-dirty #498
[    4.056317] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[    4.062869] PC is at caam_jr_dequeue+0x240/0x2bc
[    4.067499] LR is at 0x1
[    4.070042] pc : [<c075e6bc>]    lr : [<00000001>]    psr: 60000113
[    4.076317] sp : c1001d58  ip : ec85c000  fp : c1001da4
[    4.081549] r10: ec858010  r9 : ec85c000  r8 : 00000000
[    4.086783] r7 : 000001ff  r6 : 00000001  r5 : 00000000  r4 : 00000000
[    4.093318] r3 : ffffffff  r2 : 00000000  r1 : 00000000  r0 : 00000001
[    4.099856] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[    4.106999] Control: 10c5387d  Table: 1000404a  DAC: 00000051
[    4.112754] Process swapper/0 (pid: 0, stack limit = 0x(ptrval))
[    4.118771] Stack: (0xc1001d58 to 0xc1002000)