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authorStanislaw Gruszka <sgruszka@redhat.com>2013-09-09 12:37:37 +0200
committerJohn W. Linville <linville@tuxdriver.com>2013-09-09 14:44:34 -0400
commitf4e1a4d3ecbb9e42bdf8e7869ee8a4ebfa27fb20 (patch)
tree8387f2af05e0e200c71ca788e02605658115ea1e /drivers/bluetooth
parentaaa2ced15ad8dca8048666c9f70736424d696a6b (diff)
rt2800: change initialization sequence to fix system freeze
My commit commit c630ccf1a127578421a928489d51e99c05037054 Author: Stanislaw Gruszka <stf_xl@wp.pl> Date: Sat Mar 16 19:19:46 2013 +0100 rt2800: rearrange bbp/rfcsr initialization make Maxim machine freeze when try to start wireless device. Initialization order and sending MCU_BOOT_SIGNAL request, changed in above commit, is important. Doing things incorrectly make PCIe bus problems, which can froze the machine. This patch change initialization sequence like vendor driver do: function NICInitializeAsic() from 2011_1007_RT5390_RT5392_Linux_STA_V2.5.0.3_DPO (PCI devices) and DPO_RT5572_LinuxSTA_2.6.1.3_20121022 (according Mediatek, latest driver for RT8070/RT3070/RT3370/RT3572/RT5370/RT5372/RT5572 USB devices). It fixes freezes on Maxim system. Resolve: https://bugzilla.redhat.com/show_bug.cgi?id=1000679 Reported-and-tested-by: Maxim Polyakov <polyakov@dexmalabs.com> Bisected-by: Igor Gnatenko <i.gnatenko.brain@gmail.com> Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bluetooth')
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