#ifndef USBUSX2Y_H #define USBUSX2Y_H #include "../usbaudio.h" #include "../midi.h" #include "usbus428ctldefs.h" #define NRURBS 2 #define URBS_AsyncSeq 10 #define URB_DataLen_AsyncSeq 32 struct snd_usX2Y_AsyncSeq { struct urb *urb[URBS_AsyncSeq]; char *buffer; }; struct snd_usX2Y_urbSeq { int submitted; int len; struct urb *urb[0]; }; #include "usx2yhwdeppcm.h" struct usX2Ydev { struct usb_device *dev; int card_index; int stride; struct urb *In04urb; void *In04Buf; char In04Last[24]; unsigned In04IntCalls; struct snd_usX2Y_urbSeq *US04; wait_queue_head_t In04WaitQueue; struct snd_usX2Y_AsyncSeq AS04; unsigned int rate, format; int chip_status; struct mutex pcm_mutex; struct us428ctls_sharedmem *us428ctls_sharedmem; int wait_iso_frame; wait_queue_head_t us428ctls_wait_queue_head; struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm; struct snd_usX2Y_substream *subs[4]; struct snd_usX2Y_substream * volatile prepare_subs; wait_queue_head_t prepare_wait_queue; struct list_head midi_list; struct list_head pcm_list; int pcm_devs; }; struct snd_usX2Y_substream { struct usX2Ydev *usX2Y; struct snd_pcm_substream *pcm_substream; int endpoint; unsigned int maxpacksize; /* max packet size in bytes */ atomic_t state; #define state_STOPPED 0 #define state_STARTING1 1 #define state_STARTING2 2 #define state_STARTING3 3 #define state_PREPARED 4 #define state_PRERUNNING 6 #define state_RUNNING 8 int hwptr; /* free frame position in the buffer (only for playback) */ int hwptr_done; /* processed frame position in the buffer */ int transfer_done; /* processed frames since last period update */ struct urb *urb[NRURBS]; /* data urb table */ struct urb *completed_urb; char *tmpbuf; /* temporary buffer for playback */ }; #define usX2Y(c) ((struct usX2Ydev *)(c)->private_data) int usX2Y_audio_create(struct snd_card *card); int usX2Y_AsyncSeq04_init(struct usX2Ydev *usX2Y); int usX2Y_In04_init(struct usX2Ydev *usX2Y); #define NAME_ALLCAPS "US-X2Y" #endif /atm/Makefile?h=nds-private-remove&id=0a764db103376cf69d04449b10688f3516cc0b88'>commitdiff
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authorAlexey Brodkin <Alexey.Brodkin@synopsys.com>2017-01-27 15:24:43 +0300
committerDavid S. Miller <davem@davemloft.net>2017-01-29 18:15:18 -0500
commit0a764db103376cf69d04449b10688f3516cc0b88 (patch)
tree6789a5c06ce42be32e77d6b40c6eb9baca113650 /drivers/usb/atm/Makefile
parent1b1bc42c1692e9b62756323c675a44cb1a1f9dbd (diff)
stmmac: Discard masked flags in interrupt status register
DW GMAC databook says the following about bits in "Register 15 (Interrupt Mask Register)": --------------------------->8------------------------- When set, this bit __disables_the_assertion_of_the_interrupt_signal__ because of the setting of XXX bit in Register 14 (Interrupt Status Register). --------------------------->8------------------------- In fact even if we mask one bit in the mask register it doesn't prevent corresponding bit to appear in the status register, it only disables interrupt generation for corresponding event. But currently we expect a bit different behavior: status bits to be in sync with their masks, i.e. if mask for bit A is set in the mask register then bit A won't appear in the interrupt status register. This was proven to be incorrect assumption, see discussion here [1]. That misunderstanding causes unexpected behaviour of the GMAC, for example we were happy enough to just see bogus messages about link state changes. So from now on we'll be only checking bits that really may trigger an interrupt. [1] https://lkml.org/lkml/2016/11/3/413 Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Fabrice Gasnier <fabrice.gasnier@st.com> Cc: Joachim Eastwood <manabian@gmail.com> Cc: Phil Reid <preid@electromag.com.au> Cc: David Miller <davem@davemloft.net> Cc: Alexandre Torgue <alexandre.torgue@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/atm/Makefile')