From: H Hartley Sweeten Date: Mon, 2 May 2016 17:11:36 +0000 (-0700) Subject: staging: comedi: mite: rename 'struct mite_dma_descriptor_ring' X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=19d9212ef93fca5be07e6b8554a00dcb82124c7d;p=linux-beck.git staging: comedi: mite: rename 'struct mite_dma_descriptor_ring' Rename this name to 'mite_ring' to help shorten the long lines. In the ni_660x driver, also shorten the private data member 'mite_rings' to simply 'ring'. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c index 127a86e651b8..c6165871ec62 100644 --- a/drivers/staging/comedi/drivers/mite.c +++ b/drivers/staging/comedi/drivers/mite.c @@ -355,11 +355,11 @@ void mite_detach(struct mite *mite) } EXPORT_SYMBOL_GPL(mite_detach); -struct mite_dma_descriptor_ring *mite_alloc_ring(struct mite *mite) +struct mite_ring *mite_alloc_ring(struct mite *mite) { - struct mite_dma_descriptor_ring *ring = - kmalloc(sizeof(struct mite_dma_descriptor_ring), GFP_KERNEL); + struct mite_ring *ring; + ring = kmalloc(sizeof(*ring), GFP_KERNEL); if (!ring) return NULL; ring->hw_dev = get_device(&mite->pcidev->dev); @@ -374,7 +374,7 @@ struct mite_dma_descriptor_ring *mite_alloc_ring(struct mite *mite) }; EXPORT_SYMBOL_GPL(mite_alloc_ring); -void mite_free_ring(struct mite_dma_descriptor_ring *ring) +void mite_free_ring(struct mite_ring *ring) { if (ring) { if (ring->descriptors) { @@ -390,11 +390,10 @@ void mite_free_ring(struct mite_dma_descriptor_ring *ring) }; EXPORT_SYMBOL_GPL(mite_free_ring); -struct mite_channel * -mite_request_channel_in_range(struct mite *mite, - struct mite_dma_descriptor_ring *ring, - unsigned int min_channel, - unsigned int max_channel) +struct mite_channel *mite_request_channel_in_range(struct mite *mite, + struct mite_ring *ring, + unsigned int min_channel, + unsigned int max_channel) { int i; unsigned long flags; @@ -468,7 +467,7 @@ EXPORT_SYMBOL_GPL(mite_dma_arm); /**************************************/ -int mite_buf_change(struct mite_dma_descriptor_ring *ring, +int mite_buf_change(struct mite_ring *ring, struct comedi_subdevice *s) { struct comedi_async *async = s->async; @@ -512,7 +511,7 @@ EXPORT_SYMBOL_GPL(mite_buf_change); * DMA data buffer. A command may call this function later to re-initialize and * shorten the amount of memory that will be transferred. */ -int mite_init_ring_descriptors(struct mite_dma_descriptor_ring *ring, +int mite_init_ring_descriptors(struct mite_ring *ring, struct comedi_subdevice *s, unsigned int nbytes) { diff --git a/drivers/staging/comedi/drivers/mite.h b/drivers/staging/comedi/drivers/mite.h index c42438fbae32..5317d157e1f9 100644 --- a/drivers/staging/comedi/drivers/mite.h +++ b/drivers/staging/comedi/drivers/mite.h @@ -35,7 +35,7 @@ struct mite_dma_desc { u32 dar; }; -struct mite_dma_descriptor_ring { +struct mite_ring { struct device *hw_dev; unsigned int n_links; struct mite_dma_desc *descriptors; @@ -47,7 +47,7 @@ struct mite_channel { unsigned int channel; int dir; int done; - struct mite_dma_descriptor_ring *ring; + struct mite_ring *ring; }; struct mite { @@ -72,16 +72,15 @@ static inline int mite_setup(struct comedi_device *dev, } void mite_detach(struct mite *); -struct mite_dma_descriptor_ring *mite_alloc_ring(struct mite *); -void mite_free_ring(struct mite_dma_descriptor_ring *ring); -struct mite_channel * -mite_request_channel_in_range(struct mite *, - struct mite_dma_descriptor_ring *ring, - unsigned int min_channel, - unsigned int max_channel); -static inline struct mite_channel * -mite_request_channel(struct mite *mite, - struct mite_dma_descriptor_ring *ring) +struct mite_ring *mite_alloc_ring(struct mite *); +void mite_free_ring(struct mite_ring *ring); +struct mite_channel *mite_request_channel_in_range(struct mite *, + struct mite_ring *, + unsigned int min_channel, + unsigned int max_channel); + +static inline struct mite_channel *mite_request_channel(struct mite *mite, + struct mite_ring *ring) { return mite_request_channel_in_range(mite, ring, 0, mite->num_channels - 1); @@ -99,10 +98,8 @@ int mite_done(struct mite_channel *mite_chan); void mite_prep_dma(struct mite_channel *mite_chan, unsigned int num_device_bits, unsigned int num_memory_bits); -int mite_buf_change(struct mite_dma_descriptor_ring *ring, - struct comedi_subdevice *s); -int mite_init_ring_descriptors(struct mite_dma_descriptor_ring *ring, - struct comedi_subdevice *s, +int mite_buf_change(struct mite_ring *, struct comedi_subdevice *); +int mite_init_ring_descriptors(struct mite_ring *, struct comedi_subdevice *, unsigned int nbytes); /* diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c index 7cc7e28baf92..041ea67a913b 100644 --- a/drivers/staging/comedi/drivers/ni_660x.c +++ b/drivers/staging/comedi/drivers/ni_660x.c @@ -255,8 +255,7 @@ static const struct ni_660x_board ni_660x_boards[] = { struct ni_660x_private { struct mite *mite; struct ni_gpct_device *counter_dev; - struct mite_dma_descriptor_ring - *mite_rings[NI660X_MAX_CHIPS][NI660X_COUNTERS_PER_CHIP]; + struct mite_ring *ring[NI660X_MAX_CHIPS][NI660X_COUNTERS_PER_CHIP]; /* protects mite channel request/release */ spinlock_t mite_channel_lock; /* prevents races between interrupt and comedi_poll */ @@ -339,12 +338,12 @@ static int ni_660x_request_mite_channel(struct comedi_device *dev, enum comedi_io_direction direction) { struct ni_660x_private *devpriv = dev->private; - struct mite_dma_descriptor_ring *ring; + struct mite_ring *ring; struct mite_channel *mite_chan; unsigned long flags; spin_lock_irqsave(&devpriv->mite_channel_lock, flags); - ring = devpriv->mite_rings[counter->chip_index][counter->counter_index]; + ring = devpriv->ring[counter->chip_index][counter->counter_index]; mite_chan = mite_request_channel(devpriv->mite, ring); if (!mite_chan) { spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags); @@ -470,10 +469,10 @@ static int ni_660x_buf_change(struct comedi_device *dev, { struct ni_660x_private *devpriv = dev->private; struct ni_gpct *counter = s->private; - struct mite_dma_descriptor_ring *ring; + struct mite_ring *ring; int ret; - ring = devpriv->mite_rings[counter->chip_index][counter->counter_index]; + ring = devpriv->ring[counter->chip_index][counter->counter_index]; ret = mite_buf_change(ring, s); if (ret < 0) return ret; @@ -507,9 +506,8 @@ static int ni_660x_alloc_mite_rings(struct comedi_device *dev) for (i = 0; i < board->n_chips; ++i) { for (j = 0; j < NI660X_COUNTERS_PER_CHIP; ++j) { - devpriv->mite_rings[i][j] = - mite_alloc_ring(devpriv->mite); - if (!devpriv->mite_rings[i][j]) + devpriv->ring[i][j] = mite_alloc_ring(devpriv->mite); + if (!devpriv->ring[i][j]) return -ENOMEM; } } @@ -525,7 +523,7 @@ static void ni_660x_free_mite_rings(struct comedi_device *dev) for (i = 0; i < board->n_chips; ++i) { for (j = 0; j < NI660X_COUNTERS_PER_CHIP; ++j) - mite_free_ring(devpriv->mite_rings[i][j]); + mite_free_ring(devpriv->ring[i][j]); } } diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index dc024f27cc48..8dabb19519a5 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -1961,7 +1961,7 @@ static unsigned int ni_timer_to_ns(const struct comedi_device *dev, int timer) return devpriv->clock_ns * (timer + 1); } -static void ni_cmd_set_mite_transfer(struct mite_dma_descriptor_ring *ring, +static void ni_cmd_set_mite_transfer(struct mite_ring *ring, struct comedi_subdevice *sdev, const struct comedi_cmd *cmd, unsigned int max_count) { diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c index 9ed8bb819f74..e176b60ff3d1 100644 --- a/drivers/staging/comedi/drivers/ni_pcidio.c +++ b/drivers/staging/comedi/drivers/ni_pcidio.c @@ -289,7 +289,7 @@ struct nidio96_private { int dio; unsigned short OpModeBits; struct mite_channel *di_mite_chan; - struct mite_dma_descriptor_ring *di_mite_ring; + struct mite_ring *di_mite_ring; spinlock_t mite_channel_lock; }; diff --git a/drivers/staging/comedi/drivers/ni_stc.h b/drivers/staging/comedi/drivers/ni_stc.h index 6b46a192091e..1966519cb6e5 100644 --- a/drivers/staging/comedi/drivers/ni_stc.h +++ b/drivers/staging/comedi/drivers/ni_stc.h @@ -1037,10 +1037,10 @@ struct ni_private { struct mite_channel *ai_mite_chan; struct mite_channel *ao_mite_chan; struct mite_channel *cdo_mite_chan; - struct mite_dma_descriptor_ring *ai_mite_ring; - struct mite_dma_descriptor_ring *ao_mite_ring; - struct mite_dma_descriptor_ring *cdo_mite_ring; - struct mite_dma_descriptor_ring *gpct_mite_ring[NUM_GPCT]; + struct mite_ring *ai_mite_ring; + struct mite_ring *ao_mite_ring; + struct mite_ring *cdo_mite_ring; + struct mite_ring *gpct_mite_ring[NUM_GPCT]; /* ni_pcimio board type flags (based on the boardinfo reg_type) */ unsigned int is_m_series:1;