现在是Alexandre Oliva在维护，如果Lemote有开发者有时间，也可以直接参与进来维护。
On Wed, Jul 9, 2014 at 9:59 AM, Huacai Chen <[email protected]> wrote: > 这个龙芯社区...就像你说的，比较的半死不活。 > 严格来说，应该是爱好者的补丁先集成到 linux-loongson-community.git，然后由 > linux-loongson-community.git的维护者推送到主线。 > 但现在 linux-loongson-community.git的维护者已经不在龙芯了.... > 所以，这个地方就讨论补丁本身的有效性和质量问题吧，至于合并，直接找 Alexandre Oliva更靠谱.... > > On Tue, Jul 8, 2014 at 5:22 PM, Tom Li <[email protected]> wrote: > > 这些龙芯电脑相关的设备驱动从来就不在主线，一直在 linux-loongson-community.git > > 里啊。看来在这里讨论合并的事情是无益的，我直接找 Alexandre Oliva 好了…… > > > > 2014-07-08 8:45 GMT+08:00 Huacai Chen <[email protected]>: > >> 我建议直接往kernel.org发吧，loongson-dev用来讨论问题就好，最终还是要往kernel.org去。 > >> > >> On Mon, Jul 7, 2014 at 6:36 PM, Tom Li <[email protected]> wrote: > >>> 我曾经向这个邮件列表发了三个 patch，有一个是年初发的。这个补丁系列的 0/1 和 1/1 是前几天发的，希望都能合并进去。 > >>> > >>> 感谢各位。 > >>> > >>> 2014-07-07 17:06 GMT+08:00 Wu Zhangjin <[email protected]>: > >>>> Thanks, Huacai有空把patch合并进去么？ > >>>> > >>>> > >>>> On Thu, Jul 3, 2014 at 10:23 PM, liu shiwei <[email protected]> > wrote: > >>>>> > >>>>> 非常好！very good! > >>>>> > >>>>> 2014-7-3 上午7:55于 "Tom Li" <[email protected]>写道： > >>>>> > >>>>>> If ec_read hasn't been called, status will keep an uninitialized > value. > >>>>>> Then it will be pass to get_event_key_entry(), cause a kernel oops. > >>>>>> > >>>>>> [ 0.980000] usb 2-4: New USB device strings: Mfr=1, Product=2, > >>>>>> SerialNumber=3 > >>>>>> [ 0.980000] usb 2-4: Product: RTL8187B_WLAN_Adapter > >>>>>> [ 0.980000] usb 2-4: Manufacturer: Manufacturer_Realtek > >>>>>> [ 0.980000] usb 2-4: SerialNumber: 00e04c000001 > >>>>>> [ 0.992000] (ffa/6)ec issued command 132 status : 0x9 > >>>>>> [ 1.504000] (ff8/8)ec issued command 132 status : 0x9 > >>>>>> [ 1.508000] CPU 0 Unable to handle kernel paging request at > virtual > >>>>>> address 0000000100000000, epc == 0000000100000000, ra == > ffffffff80564994 > >>>>>> [ 1.508000] Oops[#1]: > >>>>>> [ 1.508000] CPU: 0 PID: 34 Comm: irq/10-sci Not tainted > >>>>>> 3.15.3-yeeloong-gaizi #2 > >>>>>> [ 1.508000] task: 98000000bf2b8000 ti: 98000000bf3ac000 task.ti: > >>>>>> 98000000bf3ac000 > >>>>>> [ 1.508000] $ 0 : 0000000000000000 ffffffffcfffffff > 0000000100000000 > >>>>>> 0000000000000000 > >>>>>> [ 1.508000] $ 4 : 00000000000000c4 0000010800000000 > ffffffff809e4948 > >>>>>> 0000000000004e90 > >>>>>> [ 1.508000] $ 8 : 98000000bf2b8000 2064657573736920 > 00000000000000ee > >>>>>> 7461747320323331 > >>>>>> [ 1.508000] $12 : fffffffffffffffe ffffffffffffffe0 > 0000000000000000 > >>>>>> ffffffff809e4948 > >>>>>> [ 1.508000] $16 : 0000000000000030 0000000000000030 > 00000000000000c4 > >>>>>> ffffffff80a00000 > >>>>>> [ 1.508000] $20 : ffffffff80280000 ffffffff802782c8 > 0000000000000001 > >>>>>> ffffffff809675d0 > >>>>>> [ 1.508000] $24 : 0000000000000000 00000000000031b0 > >>>>>> [ 1.508000] $28 : 98000000bf3ac000 98000000bf3afd80 > ffffffff80950000 > >>>>>> ffffffff80564994 > >>>>>> [ 1.508000] Hi : 0000000000000108 > >>>>>> [ 1.508000] Lo : 0000000031aac000 > >>>>>> [ 1.508000] epc : 0000000100000000 0x100000000 > >>>>>> [ 1.508000] Not tainted > >>>>>> [ 1.508000] ra : ffffffff80564994 sci_irq_handler+0xcc/0x1c8 > >>>>>> [ 1.508000] Status: 140044e3 KX SX UX KERNEL EXL IE > >>>>>> [ 1.508000] Cause : 00008008 > >>>>>> [ 1.508000] BadVA : 0000000100000000 > >>>>>> [ 1.508000] PrId : 00006303 (ICT Loongson-2) > >>>>>> [ 1.508000] Modules linked in: > >>>>>> [ 1.508000] Process irq/10-sci (pid: 34, > threadinfo=98000000bf3ac000, > >>>>>> task=98000000bf2b8000, tls=0000000000000000) > >>>>>> [ 1.508000] Stack : ffffffff80280000 98000000bf3a8000 > ffffffff8095ded0 > >>>>>> 0000000000000001 > >>>>>> ffffffff8095ded0 ffffffff802782fc ffffffff80280000 > >>>>>> ffffffff802782c8 > >>>>>> 0000000000000001 0000000000000001 98000000bf3a8000 > >>>>>> ffffffff80278680 > >>>>>> 0000000000000000 ffffffff80278430 98000000bf3a8080 > >>>>>> ffffffff809d0000 > >>>>>> ffffffff808d0000 98000000bf3a8000 ffffffff80278538 > >>>>>> 98000000bf068780 > >>>>>> 98000000bf2b8780 ffffffff80258fd0 0000000000000000 > >>>>>> 0000000000000000 > >>>>>> 98000000bf3a8000 0000000000000000 98000000bf3afe50 > >>>>>> 98000000bf3afe50 > >>>>>> 0000000000000000 98000000bf3afe68 98000000bf3afe68 > >>>>>> 0000000000000000 > >>>>>> ffffffff80258ef0 98000000bf3a8080 ffffffff809e0000 > >>>>>> ffffffff809e0000 > >>>>>> 0000000000000000 ffffffff80206ea0 0000000000000000 > >>>>>> 0000000000000000 > >>>>>> ... > >>>>>> [ 1.508000] Call Trace: > >>>>>> [ 1.508000] [<ffffffff80280000>] > rcu_process_callbacks+0x4d8/0x500 > >>>>>> [ 1.508000] [<ffffffff802782fc>] irq_thread_fn+0x34/0x78 > >>>>>> [ 1.508000] [<ffffffff80280000>] > rcu_process_callbacks+0x4d8/0x500 > >>>>>> [ 1.508000] [<ffffffff802782c8>] irq_thread_fn+0x0/0x78 > >>>>>> [ 1.508000] [<ffffffff80278680>] irq_thread+0x148/0x190 > >>>>>> [ 1.508000] [<ffffffff80278430>] irq_thread_dtor+0x0/0x108 > >>>>>> [ 1.508000] [<ffffffff80278538>] irq_thread+0x0/0x190 > >>>>>> [ 1.508000] [<ffffffff80258fd0>] kthread+0xe0/0xf8 > >>>>>> [ 1.508000] [<ffffffff80258ef0>] kthread+0x0/0xf8 > >>>>>> [ 1.508000] [<ffffffff80206ea0>] ret_from_kernel_thread+0x20/0x28 > >>>>>> > >>>>>> [ 1.508000] > >>>>>> Code: (Bad address in epc) > >>>>>> > >>>>>> [ 1.512000] ---[ end trace d5332affd0d1c32e ]--- > >>>>>> [ 1.516000] CPU 0 Unable to handle kernel paging request at > virtual > >>>>>> address ffffffffffffffe0, epc == ffffffff802596c0, ra == > ffffffff8027845c > >>>>>> [ 1.520000] Oops[#2]: > >>>>>> [ 1.520000] CPU: 0 PID: 34 Comm: irq/10-sci Tainted: G D > >>>>>> 3.15.3-yeeloong-gaizi #2 > >>>>>> [ 1.520000] task: 98000000bf2b8000 ti: 98000000bf3ac000 task.ti: > >>>>>> 98000000bf3ac000 > >>>>>> [ 1.520000] $ 0 : 0000000000000000 ffffffffcfffffff > 0000000000000000 > >>>>>> 98000000bf3afde0 > >>>>>> [ 1.520000] $ 4 : 98000000bf2b8000 0000000000000000 > 0000000000000001 > >>>>>> 0000000000000000 > >>>>>> [ 1.520000] $ 8 : 0000000000000000 0000000000000000 > 0000000000000115 > >>>>>> 0000000000000001 > >>>>>> [ 1.520000] $12 : 0000000000000000 0000000000000000 > 0000000000000000 > >>>>>> 0000000000000000 > >>>>>> [ 1.520000] $16 : 98000000bf2b8000 98000000bf2b8618 > 98000000bf2b8000 > >>>>>> ffffffff809e0000 > >>>>>> [ 1.520000] $20 : 0000000000000000 0000000000000060 > 98000000bf2b8000 > >>>>>> 0000000000000001 > >>>>>> [ 1.520000] $24 : 0000000000000000 0000000000000000 > >>>>>> [ 1.520000] $28 : 98000000bf3ac000 98000000bf3afa70 > ffffffff80950000 > >>>>>> ffffffff8027845c > >>>>>> [ 1.520000] Hi : 0000000000000108 > >>>>>> [ 1.520000] Lo : 0000000031aac000 > >>>>>> [ 1.520000] epc : ffffffff802596c0 kthread_data+0x10/0x18 > >>>>>> [ 1.520000] Tainted: G D > >>>>>> [ 1.520000] ra : ffffffff8027845c irq_thread_dtor+0x2c/0x108 > >>>>>> [ 1.520000] Status: 140044e3 KX SX UX KERNEL EXL IE > >>>>>> [ 1.520000] Cause : 80008008 > >>>>>> [ 1.520000] BadVA : ffffffffffffffe0 > >>>>>> [ 1.520000] PrId : 00006303 (ICT Loongson-2) > >>>>>> [ 1.520000] Modules linked in: > >>>>>> [ 1.520000] Process irq/10-sci (pid: 34, > threadinfo=98000000bf3ac000, > >>>>>> task=98000000bf2b8000, tls=0000000000000000) > >>>>>> [ 1.520000] Stack : 0000000000000000 ffffffff802782c8 > 000000000000000b > >>>>>> 0000000000000000 > >>>>>> 98000000bf2b8618 ffffffff8025545c 000000000000000b > >>>>>> 000000000000000b > >>>>>> 000000000000000b ffffffff808d60c8 0000000000000000 > >>>>>> ffffffff80235fc8 > >>>>>> ffffffff80950000 ffffffff80631f14 98000000bf3afb08 > >>>>>> 0000000000000000 > >>>>>> 0000000000000001 ffffffff802350ac 98000000bf3afc50 > >>>>>> 000000000000000b > >>>>>> ffffffff808d60c8 0000000000000000 ffffffff80280000 > >>>>>> ffffffff802782c8 > >>>>>> 0000000000000001 98000000bf3afc50 ffffffff80950000 > >>>>>> ffffffff8020cc84 > >>>>>> 0000000100000000 0000000000000000 98000000bf2b8000 > >>>>>> ffffffff8021c968 > >>>>>> 00030001bf3ac000 ffffffff809df420 ffffffffffff0000 > >>>>>> 0000000000000000 > >>>>>> 0000000000000002 ffffffff80239bc8 000000000000000a > >>>>>> 00000000fffff7b6 > >>>>>> ... > >>>>>> [ 1.520000] Call Trace: > >>>>>> [ 1.520000] [<ffffffff802596c0>] kthread_data+0x10/0x18 > >>>>>> [ 1.520000] [<ffffffff8027845c>] irq_thread_dtor+0x2c/0x108 > >>>>>> [ 1.520000] [<ffffffff8025545c>] task_work_run+0xac/0x120 > >>>>>> [ 1.520000] [<ffffffff80235fc8>] do_exit+0x290/0x9b8 > >>>>>> [ 1.520000] [<ffffffff8020cc84>] die+0x13c/0x188 > >>>>>> [ 1.520000] [<ffffffff8021c968>] __do_page_fault+0x3b8/0x430 > >>>>>> [ 1.520000] [<ffffffff80206dc4>] resume_userspace_check+0x0/0x10 > >>>>>> > >>>>>> [ 1.520000] > >>>>>> Code: 3c01cfff 3421ffff 03e1f824 <03e00008> dc42ffe0 67bdffe0 > >>>>>> 24060008 ffbf0018 dc850290 > >>>>>> [ 1.524000] ---[ end trace d5332affd0d1c32f ]--- > >>>>>> > >>>>>> The below patch fixes it. > >>>>>> > >>>>>> diff -uprN linux-3.15/drivers/platform/mips/yeeloong_laptop.c > >>>>>> linux-3.15-fix-fn/drivers/platform/mips/yeeloong_laptop.c > >>>>>> --- linux-3.15/drivers/platform/mips/yeeloong_laptop.c 2014-07-03 > >>>>>> 07:44:30.467523711 +0800 > >>>>>> +++ linux-3.15-fix-fn/drivers/platform/mips/yeeloong_laptop.c > >>>>>> 2014-07-03 07:50:01.430236919 +0800 > >>>>>> @@ -978,7 +978,7 @@ static const struct sci_event se[] = { > >>>>>> > >>>>>> static void do_event_action(int event) > >>>>>> { > >>>>>> - int status; > >>>>>> + int status = -1; > >>>>>> struct key_entry *ke; > >>>>>> struct sci_event *sep; > >>>>>> > >>>>>> @@ -987,6 +987,11 @@ static void do_event_action(int event) > >>>>>> if (sep->reg != 0) > >>>>>> status = ec_read(sep->reg); > >>>>>> > >>>>>> + if (status = -1) { > >>>>>> + /* ec_read hasn't been called, status is invalid */ > >>>>>> + return; > >>>>>> + } > >>>>>> + > >>>>>> if (sep->handler != NULL) > >>>>>> status = sep->handler(status); > >>>>>> > >>>>>> -- > >>>>>> You received this message because you are subscribed to the Google > Groups > >>>>>> "loongson-dev" group. > >>>>>> To unsubscribe from this group and stop receiving emails from it, > send an > >>>>>> email to [email protected]. > >>>>>> To post to this 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