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author | Takashi Iwai <tiwai@suse.de> | 2010-09-03 22:38:52 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-09-03 22:38:52 +0200 |
commit | 68885a3ff38ed51fa02f241feb405c9922a90ee0 (patch) | |
tree | 2fc626df39d5e0e1f6b065238141f7d49187c737 /drivers/firewire/ohci.c | |
parent | 7b28079b3284ccb15ad4f003fb7073890600d0c1 (diff) | |
parent | a2acad8298a42b7be684a32fafaf83332bba9c2b (diff) | |
download | kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.zip kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.tar.gz kernel_samsung_crespo-68885a3ff38ed51fa02f241feb405c9922a90ee0.tar.bz2 |
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'drivers/firewire/ohci.c')
-rw-r--r-- | drivers/firewire/ohci.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 7f03540..be29b0b 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -694,7 +694,15 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer) log_ar_at_event('R', p.speed, p.header, evt); /* - * The OHCI bus reset handler synthesizes a phy packet with + * Several controllers, notably from NEC and VIA, forget to + * write ack_complete status at PHY packet reception. + */ + if (evt == OHCI1394_evt_no_status && + (p.header[0] & 0xff) == (OHCI1394_phy_tcode << 4)) + p.ack = ACK_COMPLETE; + + /* + * The OHCI bus reset handler synthesizes a PHY packet with * the new generation number when a bus reset happens (see * section 8.4.2.3). This helps us determine when a request * was received and make sure we send the response in the same |