From mboxrd@z Thu Jan 1 00:00:00 1970 From: michael@walle.cc (Michael Walle) Date: Wed, 24 Oct 2012 20:06:55 +0200 Subject: [PATCH 0/9] ARM: Kirkwood: Convert to pinctrl In-Reply-To: <1351090434-30499-1-git-send-email-andrew@lunn.ch> References: <1351090434-30499-1-git-send-email-andrew@lunn.ch> Message-ID: <201210242006.55879.michael@walle.cc> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Andrew, Am Mittwoch 24 Oktober 2012, 16:53:45 schrieb Andrew Lunn: > This patchset converts all DT kirkwood boards to using pinctrl. > > This patchset depends on an earlier patchset to allow the mvebu > pinctrl driver and gpio driver to be built for kirkwood. > > Only the TS219 conversion has been tested on hardware. The remaining > are compile tested. Before merging upstream, it would be good if the > others could be tested on hardware. > > This series along with the dependents can be found in: Unfortunately, this doesn't work for me. git bisect tells me its commit e01139ec82162f21875d09e820686aede4219695. I guess it has something to do with the lsxl_init calling gpio_set_value(). Uncompressing Linux... done, booting the kernel. Booting Linux on physical CPU 0 Linux version 3.7.0-rc2-00015-g2773c33 (mw at thanatos) (gcc version 4.4.5 (Debian 4.4.5-8) ) #8 PREEMPT Wed Oct 24 20:05:32 CEST 2012 CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), cr=00053977 CPU: VIVT data cache, VIVT instruction cache Machine: Marvell Kirkwood (Flattened Device Tree), model: Buffalo Linkstation LS-CHLv2 bootconsole [earlycon0] enabled Memory policy: ECC disabled, Data cache writeback Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256 Kernel command line: console=ttyS0,115200 root=/dev/sda2 earlyprintk PID hash table entries: 256 (order: -2, 1024 bytes) Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) Memory: 64MB = 64MB total Memory: 55828k/55828k available, 9708k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) vmalloc : 0xc4800000 - 0xff000000 ( 936 MB) lowmem : 0xc0000000 - 0xc4000000 ( 64 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .text : 0xc0008000 - 0xc04e2660 (4970 kB) .init : 0xc04e3000 - 0xc0506cc0 ( 144 kB) .data : 0xc0508000 - 0xc0540280 ( 225 kB) .bss : 0xc05402a4 - 0xc05d7a3c ( 606 kB) SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:114 sched_clock: 32 bits at 166MHz, resolution 5ns, wraps every 25769ms Console: colour dummy device 80x30 Calibrating delay loop... 597.60 BogoMIPS (lpj=2988032) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok Setting up static identity map for 0x3baaa8 - 0x3baae4 pinctrl core: initialized pinctrl subsystem NET: Registered protocol family 16 DMA: preallocated 1024 KiB pool for atomic coherent allocations Kirkwood: MV88F6281-A1, TCLK=166666667. Feroceon L2: Enabling L2 Feroceon L2: Cache support initialised. Unable to handle kernel NULL pointer dereference at virtual address 0000003c pgd = c0004000 [0000003c] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT ARM Modules linked in: CPU: 0 Not tainted (3.7.0-rc2-00015-g2773c33 #8) PC is at __gpio_set_value+0x20/0xb4 LR is at lsxl_init+0x14/0x58 pc : [] lr : [] psr: 20000053 sp : c342ff20 ip : 00000000 fp : 00000000 r10: 00000089 r9 : c0506878 r8 : c04e4498 r7 : 00000000 r6 : c05cea18 r5 : 00000000 r4 : 0000000b r3 : 00000084 r2 : 00000001 r1 : 00000001 r0 : 0000000b Flags: nzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment kernel Control: 0005397f Table: 00004000 DAC: 00000017 Process swapper (pid: 1, stack limit = 0xc342e1b8) Stack: (0xc342ff20 to 0xc3430000) ff20: 00000037 c3b5508c c0516230 00000004 c05402c0 c04e99d0 c05005f8 c04e9640 ff40: c05005f8 c04e44b4 c05005f8 c0008614 00000003 00000003 00000000 c05005f8 ff60: c05005f8 00000004 c05402c0 c0500610 c04e31b0 00000089 00000000 c03ab064 ff80: 00000003 00000003 c04e31b0 c03aaf74 00000000 c03aaf74 00000000 00000000 ffa0: 00000000 00000000 00000000 c0008dd0 00000000 00000000 00000000 00000000 ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [] (__gpio_set_value+0x20/0xb4) from [] (lsxl_init+0x14/0x58) [] (lsxl_init+0x14/0x58) from [] (kirkwood_dt_init+0xe4/0x158) [] (kirkwood_dt_init+0xe4/0x158) from [] (customize_machine+0x1c/0x28) [] (customize_machine+0x1c/0x28) from [] (do_one_initcall+0x30/0x174) [] (do_one_initcall+0x30/0x174) from [] (kernel_init+0xf0/0x2a0) [] (kernel_init+0xf0/0x2a0) from [] (ret_from_fork+0x14/0x24) Code: e24dd008 e1a04000 e7965003 e1a02001 (e5d5303c) ---[ end trace 1b75b31a2719ed1c ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b -- Michael