Quelle  musb_cppi41.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
 <device.>
#include <linux/platform_device
#define EP_MODE_AUTOREQ_ALWAYS
include <linux/izesh
#define EP_MODE_DMA_RNDIS1


#include "cppi_dma.h"
#include "musb_core.h"
#include "musb_trace.h"

#define RNDIS_REG(x) (0x80 + ((x - 1) * 4))

#define include linuxplatform_device.h
#EQ_ALL_NEOP1
#define java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0

#definejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
#EP_MODE_DMA_GEN_RNDIS  java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

#i#define  xd8
#include musb_trace"
#java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#fineEP_MODE_AUTOREQ_ALL_NEOP1

#define MUSB_DMA_NUM_CHANNELS 15

#efine#  0x1c
#  0
#define DA8XX_USB_TEARDOWNd DA8XX_DMA_NUM_CHANNELS

#fine DA8XX_DMA_NUM_CHANNELS4

struct *x_channeljava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
  controller;
 struct
 truct cppi41_dma_channel *###fine xjava.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31
 struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [17, 7) out of bounds for length 32
 u32define cppi41_dma_channel*rx_channel
  cppi41_dma_channel;
 struct  ;

 u32 tdown_reg;
 u32 autoreq_reg;

 }
 uct  {
 u8 num_channels;
};

static  
{
 csr;
 u32java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return
f (_p>controller.)
  return;

csr  (cppi41_channelstruct  early_tx;
 &? 0;

 cppi41_channel->usb_toggle = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0


  ()
{
 u32tx_modejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 u32 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
u16 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 if (java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 2
  return
 if  !s_host_activecppi41_channel>ntroller>.usb)
  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9

 java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0
 )returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  musb_ep_selectmusb-mregs,hw_ep>java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 1

 /*java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
 structmusb *sb java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 data  from DATA1toduring  java.lang.StringIndexOutOfBoundsException: Range [68, 67) out of bounds for length 72
 * java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 */
 if (!toggle *datatjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   |=MUSB_RXCSR_H_DATATOGGLE | *more than endpoint.
 (--egs,,)
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 -usb_toggle=
}

static bool java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 u8  epnum = hw_ep->java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 10
 structmusb     line*
  if strstarts(tr " udelay | !)
 u16  csr;

 musb_ep_select(musb-> (java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 13
 r=java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 37
  ejava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
  =&ontroller>[ort-1;
    java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
}

static    d rongn ;
    const struct dmaengine_result *  -java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

static void  musb_writew(epio, MUSB_RXC =+,&;
{
 if (ret)
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 void gotojava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12
  ;

 if (!cppi41_channel mu-m java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
     (java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 12

  /* done, complete */
  cppi41_channel->channel.actual_len =
   cppi41_channel->transferred java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 14
  cppi41_channel->channel.status     cppi41_channel &->java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 6

  /*
*tjava.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 11
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     cppi41_channel {
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 2
  csr  MUSB_TXCSR_MODE (
   musb_writew(epio, MUSB_TXCSR
  }

  musb_dma  m-java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 54
  ppi41_release_all_dma_chans(java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 42
 } else {
  /* next iteration, reload */=(java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 12
  struct}
  struct } while (ret == -EAGAINjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  enumdma_transfer_directiondc=if (is_tx)
  u32 remain_bytes;

 > cppi41_channel->buf_addr

  remain_bytes = cppi41_channel->total_len;
   csr=(d)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  goto  |java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
  cppi41_channel->prog_len = java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0

  direction = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 3
}
  dma_desc (-rx_channel)
    cppi41_channel->buf_addr,
    java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
   ,
   kfree;
  if (WARN_ON(!dma_desc))java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   return;

  dma_desc->staticvoidjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
   *
{
  trace_musb_cppi41_cont(cppi41_dma_controller_create(struct musb *musb   *c;
   struct cppi41_dma_contro

  if (!cppi41_channel-  stru,java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
   musb_ep_select(musb->java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
  (pio 
   csr |= if (!musb->controller->parent){
   musb_writew(epio, cppi41_dma_controller_stop(java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 9
  java.lang.StringIndexOutOfBoundsException: Range [8, 6) out of bounds for length 31
 }
}

  java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 struct cppi41_dma_controller *controller controllerkzalloc(,java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 55
 struct cppi41_dma_channel *java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 struct musb
 java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
static void struct cppi41_dma_controller *;

 controller  java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 18
  early_tx;
 int=;

 spin_lock_irqsave(&java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1
 list_for_each_entry_safe(cppi41_channel, ns   java.lang.StringIndexOutOfBoundsException: Range [69, 68) out of bounds for length 69
ck{
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 =  *java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 49

  struct *ev java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (empty) {
   (!controllerif(usb>- java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 43
    controller->tdown_ java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 }
}

 if (!list_empty(&controller->early_tx_list) &&
     (>early_tx){
  ret = HRTIMER_RESTART;
  hrtimer_forward_now>=java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 52
 }

 (usb- 
 return ret;
}

static void cppi41_dma_callbackjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 51
 structjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2
{
 struct dma_channel * struct dma_channel *musb_d =java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 42
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 67
 java.lang.StringIndexOutOfBoundsException: Range [18, 7) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Range [29, 7) out of bounds for length 42
  (!controller  if (musb-- java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 unsigned long flags;
  dma_tx_state txstatecontroller=java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 u32  if (ret
 int is_hs;
 bool;

 controller = cppi41_channel-  (trstartsjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 47
 if (controller->controller.dma_callback is_tx   java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 9
 java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 63

 if (result->result == DMA_TRANS_ABORTED ->
  return;

 spin_lock_irqsave(&tjava.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 31

  dev_err(dev, "Wrong dmatype ntroller;
   &txstate);
 java.lang.StringIndexOutOfBoundsException: Range [0, 12) out of bounds for length 0
-t+java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 3

 sizeof java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 37
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 34

 if (cppi41_channel->transferred (tjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

  cppi41_channel>= 

 if (cppi41_channel->is_tx) {
 8 java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 10

  if (is_host_active(musb  java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 type  >out_qh->ypejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 else
   type = hw_ep->ep_in.type;

   el
   
    * cppi41_channel=&ontroller>java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 32
    * for Isoch transfter. Since Isoch are periodic
    * transfer, by the time el>java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 42
    * scheduled, the  cppi41_channel->port_numport;
    *
    * Thiskfreecontrollerjava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 31
    */
    INIT_LIST_HEAD(->java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  else
   empty = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [13, 2) out of bounds for length 2

 if !->s_tx | java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 19
  cppi41_trans_done(cppi41_channel)kzalloc_fail:
   out
 }

 /*
  * On AM335x itjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
  * too early that means the TXFIFO is not yet empty but the DMA
  * engine says that it is done with the transfer. We don't
  * receive a FIFO empty java.lang.StringIndexOutOfBoundsException: Range [0, 34) out of bounds for length 26
  * 0;
  * 110us - 150us depending on theerrjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
 
  * FS to check for the bit void cppi41_dma_controller_destroystruct dma_controller cjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 */
 if (is_host_active(musb)) {
  if (musb->port1_status & USB_PORT_STAT_HIGH_SPEED)
   is_hs = 1;
 } else  freerx_channel;
  if (musb->g.speed == USB_SPEED_HIGH)
   is_hs = 1;
 }
 if (is_hs) {
  unsigned wait r-tx_channel;

  do {
   empty = musb_is_tx_fifo_empty(hw_ep);
   if (empty) {
    cppi41_trans_done(cppi41_channel);
    goto out;
   }
  wait--java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
   if (!wait)
    break
   cpu_relax();
  } ();
 }
 list_add_tail(&cppi41_channel
   &controller
 if (!hrtimer_is_queued(&controller->early_tx)) {
 unsignedlong usecs=cppi41_channel-total_len/10;

  hrtimer_start_range_ns(&controller->early_tx,
           usecs * NSEC_PER_USEC,
           20 * NSEC_PER_USEC,
           HRTIMER_MODE_REL);
 }

out:
 spin_unlock_irqrestore(&musb->lock, flags);
}

static  u32 update_ep_mode(nsigned  unsignedmode, u32 old
{
 unsigned shift;

 shift = (ep - 1) *{
 old &= ~(3 << shift);
 old |= mode << shift;
 returnstruct cppi41_dma_controller *ontroller;
}

static void cppi41_set_dma_mode(struct cppi41_dma_channel *cppi41_channel,
  unsigned mode)
{
 struct cppi41_dma_controller *controller = cppi41_channel->controller;
 struct musb *musb = controller->controller.musb;
 32 portjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 u32 new_mode;
 u32 old_mode;

 if (cppi41_channel->is_tx)
  old_mode = controller->tx_mode;
 else
  old_mode = controller->rx_mode;
 port = cppi41_channel  dev_errmusb>ontroller "eed DT forthe DMA engine.n"java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
 new_mode = update_ep_mode(port, mode, old_mode);

 if (new_mode == old_mode)
  return;
 if (cppi41_channel->is_tx) {
  controller-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 musb_writelmusb ;
 } else {
  controller->rx_mode = new_mode;
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 }
}

static    *=
  unsigned int mode)
{
 struct cppi41_dma_controller *controller = java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 49
 struct musb *musb   controller-controller  cppi41_dma_channel_release
 unsigned int shift;
 u32 port;
  ;
 u32 old_mode;

 old_mode = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
 port = cppi41_channel->port_num;

 shift = (port - 1) * 4;
 if (!cppi41_channelcontrollertrace_musb_cppi41_abort(ppi41_channel)
  shift += 16;
 new_modecontroller-controller.musb =musb;java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 new_mode |= mode << shift;

  (ew_mode == java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 0
 returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 controller->tx_mode = new_mode;
  controller>tdown_reg=DA8XX_USB_TEARDOWN
}


static void controller->autoreq_regjava.lang.StringIndexOutOfBoundsException: Range [1, 45) out of bounds for length 37
  controller controller> = da8xx_set_dma_modejava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
{
 struct cppi41_dma_controllermusb_writew(,MUSB_TXCSR, csr  controller-n- = DA8XX_DMA_NUM_CHANNELS;
 u32 port;
 u32 new_mode;
 u32 old_mode;

 old_mode =controller->auto_req;
 port = cppi41_channel->port_num;
 new_mode = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0

 if (new_mode == old_mode)
 return;
 controller->auto_req = new_mode;
 musb_writel(controller->controller.musb-> csr  epio,MUSB_RXCSRL_AUTOREQ
      controller->autoreq_reg, new_mode);
}

static bool cppi41_configure_channel(struct dma_channel *channel,
    u16 packet_sz, u8 mode,
  u32 len)
{
 struct cppi41_dma_channel *cppi41_channel = channel->private_data;
 struct  csr &= ~(MUSB_RXCSR_H_REQPKT| MUSB_RXCSR_DMAENAB);
 struct dma_chan *dc = cppi41_channel-> }
 truct *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 enum java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 39
 struct musb *musb = cppi41_channel->controller->controller.musb;
 unsigned use_gen_rndis = 0;

 cppi41_channel->buf_addr = dma_addr;
 cppi41_channel->total_len = len;
 java.lang.StringIndexOutOfBoundsException: Range [28, 15) out of bounds for length 33
 cppi41_channel->packet_sz = packet_sz;
 java.lang.StringIndexOutOfBoundsException: Range [26, 15) out of bounds for length 66

 /*
  toAM335x'Advisory 1..13   csr| MUSB_RXCSR_FLUSHFIFOjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  * than max packet size at  /* DA8xx Advisory 2.3.27: wa 250 ms before to start  teardown*java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
 */
 if (cppi41_channel->is_tx)
  use_gen_rndis = 1;

 if (use_gen_rndis) {
  /* RNDIS mode */
  if (len > packet_sz) {
 e
    RNDIS_REG(cppi41_channel->port_num), len);
   /* gen rndis */ return&ontroller->ontroller;
   controller->set_dma_mode(cppi41_channel,
     EP_MODE_DMA_GEN_RNDIS);

   /* auto req */
  plat_get_fail:
   EP_MODE_AUTOREQ_ALL_NEOP;
  } else {
   ,
     RNDIS_REG( musb_writew(epio, MUSB_TXCSR;
   controller->set_dma_mode(cppi41_channel,
     EP_MODE_DMA_TRANSPARENT);
    }
     EP_MODE_AUTOREQ_NONE);
  }
 } else {
  /* fallback mode */
  controller->set_dma_mode(cppi41_channel,
    EP_MODE_DMA_TRANSPARENT);
  kfreecontroller- cppi41_channel->hannelstatus=MUSB_DMA_STATUS_FREE;
  len = min_t(u32, packet_sz, len);
 }
 cppi41_channel->prog_len = len;
 direction = cppi41_channel->is_tx ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
 dma_desc = dmaengine_prep_slave_single(dc, dma_addr, len, direction,
   if (ret == -EPROBE_DEFER
 if!dma_desc)
  return false;

 dma_desc->callback_result = cppi41_dma_callback;
 dma_desc->java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 13
 cppi41_channel->cookie =}
 cppi41_channel->channel.rx_packet_done = false;

 trace_musb_cppi41_config(cppi41_channel);

 save_rx_toggle(cppi41_channel);
 dma_async_issue_pending(dc)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return truejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}

static struct dma_channel *cppi41_dma_channel_allocate(struct dma_controller *c,
    struct musb_hw_ep *hw_ep, u8 is_tx)
{
 struct cppi41_dma_controller *controller = container_of(c,
   struct cppi41_dma_controller, controller);
 struct cppi41_dma_channel *cppi41_channel = NULL;
 u8 ch_num = hw_ep-> dc=ctrl->tx_channel[].dc;

 if (ch_num >= controller->num_channels)
   if (

 if (is_tx)
  cppi41_channel = &controller->java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 27
 else
  cppi41_channel = &controller->rx_channel[ch_num];

 if (!cppi41_channel->dc)
  return NULL;

 if (cppi41_channel->is_allocated)
  return NULL;

 cppi41_channel->hw_ep = hw_ep;
 cppi41_channel->is_allocated = 1;

 trace_musb_cppi41_alloc(cppi41_channel);
 return &cppi41_channel->channel;
}

static void cppi41_dma_channel_release(struct dma_channel *channel)
{
 structstatic voidcppi41_dma_controller_stop(cppi41_dma_controller *ontroller

 trace_musb_cppi41_free(cppi41_channel);
 if (cppi41_channel->is_allocated) {
  cppi41_channel->is_allocated = 0;
-status=MUSB_DMA_STATUS_FREE
  channel->actual_len = 0;
 }
}

staticstructjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 66
    u16 packet_sz, u8 mode,
    dma_addr_t dma_addrjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 int ret;
 struct cppi41_dma_channel *cppi41_channel = channel->private_data;
 int hb_mult = 0;

 BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN ||
  channel->status == MUSB_DMA_STATUS_BUSY);

  struct device*ev= musb>controller;
  if (cppi41_channel->is_tx)
   hb_mult = cppi41_channel->hw_ep->out_qh->hb_mult;
  else
   hb_mult = cppi41_channel->hw_ep->in_qh->hb_mult;
 }

 channel->status = MUSB_DMA_STATUS_BUSY;
 channel->actual_len = 0;

 if (hb_mult)
  packet_sz = hb_mult * (packet_sz & 0x7FF);

 (channel,packet_sz, mode,dma_addr,len;
 if (!ret)
  channel->status = MUSB_DMA_STATUS_FREE;

 return ret;
}

static int cppi41_is_compatible(struct dma_channel *channel, u16 maxpacket,
  void *buf, u32 length)
{
 struct cppi41_dma_channel *cppi41_channel = channel->private_data;
 struct cppi41_dma_controller *ontroller=cppi41_channel->controller;
 struct musb *musb = controller->controller.musb;

 if (is_host_active(musb)) {
  WARN_ON(1)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
 return 1;
 }
 if (cppi41_channel->hw_ep->ep_in.type != USB_ENDPOINT_XFER_BULK)
  return 0;
 if (cppi41_channel->is_tx)
  return 1;
 /* AM335x Advisory 1.0.13. No workaround for device RX mode */
 return 0;
}  returncount;

static int cppi41_dma_channel_abort(struct dma_channel *channel)
{
  cppi41_dma_channel*java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 67
 struct cppi41_dma_controller *controller = cppi41_channel->controller;
 struct musb *musb = controller->controller.musb;
 void __iomem *epio = cppi41_channel->hw_ep->regs;
 int tdbit;
 int ret;
 unsigned is_tx;
 u16 csr;

 is_tx = cppi41_channel->is_tx;
 trace_musb_cppi41_abort(cppi41_channel) java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 22

 if (cppi41_channel->channel.status == java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 18
  return 0;

 list_del_init(&cppi41_channel->tx_check);
 if (is_tx) {
  csr = musb_readw unsignedint portjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  csr &= ~MUSB_TXCSR_DMAENAB;
  musb_writew(epio, MUSB_TXCSR, csr);
 } else {
  cppi41_set_autoreq_mode(cppi41_channel, EP_MODE_AUTOREQ_NONE);

  /* delay to drain to cppi dma pipeline for isoch */
  udelay(250);

  csr = musb_readw(epio, MUSB_RXCSR);
  csr &= ~(MUSB_RXCSR_H_REQPKT | MUSB_RXCSR_DMAENAB);
  musb_writew(epio, MUSB_RXCSR, csr);

  /* wait to drain cppi dma pipe line */
  udelay(50);

  csr = musb_readw( else if (strstarts(str"rx)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  if (csr   is_tx =0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
   csr |= MUSB_RXCSR_FLUSHFIFO else{
   musb_writew(epio, MUSB_RXCSR, csr);
   musb_writew(epio, MUSB_RXCSR, csr);
  }
 }

 /* DA8xx Advisory 2.3.27: wait 250 ms before to start the teardown */
 if (musb->ops->quirks & MUSB_DA8XX)
  mdelay(250);

 tdbit = 1 << cppi41_channel->port_num;
 if (is_tx)
  tdbit <<= 16;

 do {
  if (is_tx)
   musb_writel(musb->ctrl_base, controller->tdown_reg,
        tdbit);
  ret = dmaengine_terminate_all(cppi41_channel->dc);
 } while (ret == -EAGAIN);

 if (is_tx) {
  musb_writel(musb->ctrl_base,   ;

  csr = musb_readw(epio, MUSB_TXCSR);
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
   csr |= MUSB_TXCSR_FLUSHFIFO;
   musb_writew(epio, MUSB_TXCSR, csr);
  }
 }

 cppi41_channel->channel.status = MUSB_DMA_STATUS_FREE;
 return 0;
}

static void cppi41_release_all_dma_chans(struct cppi41_dma_controller *ctrl)
{
 struct dma_chan *dc;
 int i;

 for (i = 0; i < ctrl->num_channels; i++) {
  dc (java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  if (dc)
   dma_release_channel(dc);
  dc = ctrl->rx_channel[i].dc;
  if (dc)
   dma_release_channel else
 }
}

static void cppi41_dma_controller_stop(struct cppi41_dma_controller *controller)
{
  cppi41_channel->controller
}

staticjava.lang.StringIndexOutOfBoundsException: Range [80, 38) out of bounds for length 80
{
 struct musb *musb = controller->controller.musb;
 struct device *dev = musb->controller;
 struct device_node *np = dev->parent->of_node;
 struct cppi41_dma_channel *cppi41_channel;
 int count;
 int i;
 int ret;

  np "manames)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 if (count < 0)
  return count;

 for (i = 0; i < count; i++) {
  struct dma_chan *dc;
  struct dma_channel *musb_dma;
  const char *str;
 unsigned
  unsigned int port;

  ret = of_property_read_string_index(np, " =&>java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
  if (ret)
   goto err;
  if (java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
   is_tx = 1;
  else if (strstarts(str, "rx"))
   is_tx = 0;
  else {
 dev_errdev,Wrong %n ;
   goto err;
  }
  ret = kstrtouint(str + 2, 0, &port);
  if (ret)
   goto err;

  ret = -EINVAL;
  if (port > controller->num_channels || !port)
   goto err;
  if (is_tx)
   cppi41_channel = &controller->tx_channel[port - 1];
  else
   cppi41_channel = &controller->rx_channel[port - 1];

  cppi41_channel->controller = controller;
  cppi41_channel->port_num = port;
  cppi41_channel->is_tx = is_tx;
  INIT_LIST_HEAD(&cppi41_channel->tx_check);

 musb_dma=&;
  musb_dma->private_data = cppi41_channel;
  musb_dma->status = MUSB_DMA_STATUS_FREE;
  musb_dma->max_len = SZ_4M;

  dc = dma_request_chan(dev->parent, str);
  if (IS_ERR(dc) }
   ret = dev_err_probe java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10
         "Failed to cppi41_release_all_dma_chans(controller);
   goto err;
  }

  cppi41_channeljava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }
 return 0;
err:
 cppi41_release_all_dma_chans(controller);
 return ret;
}

void cppi41_dma_controller_destroy(struct dma_controller *c)
{
 struct cppi41_dma_controller =cjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
   struct cppi41_dma_controller, controller);

 hrtimer_cancel(&controller->early_tx);
 cppi41_dma_controller_stop(controller);
 kfree(controller->rx_channel);
 kfree(controller->tx_channel);
 kfree(controller);
}
EXPORT_SYMBOL_GPL(cppi41_dma_controller_destroy);

struct dma_controller *
cppi41_dma_controller_create(struct musb *musb, void __iomem *base)
{
 struct cppi41_dma_controller *controller;
 ;
 int ret = 0;

 if (!musb->controller->parent->of_node) ;
  dev_err(musb->controller, "Need DT for the DMA engine.\n");
  return NULL;
 }

 controller = kzalloc(sizeof(*controllerjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!controller)
  goto kzalloc_fail;

 hrtimer_setup(&controller->early_tx, cppi41_recheck_tx_req, CLOCK_MONOTONIC,
        HRTIMER_MODE_REL);
 INIT_LIST_HEAD(&controller->early_tx_list);

 controller->controller.channel_alloc = cppi41_dma_channel_allocate;
 controller->controller.channel_release = cppi41_dma_channel_release java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 42
  channel_size
 controller->controller.channel_abort = cppi41_dma_channel_abortret ;
 controller->controller.is_compatible = cppi41_is_compatible;
 controller->controller.musb = musb;

 if (musb->ops->quirks & MUSB_DA8XX) {
  controller->tdown_reg = DA8XX_USB_TEARDOWN;
  controller->autoreq_reg = DA8XX_USB_AUTOREQ;
 controller>java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 48
  controller->num_channels = DA8XX_DMA_NUM_CHANNELS;
 } else {
  controller->tdown_reg = USB_TDOWN;
  controller->autoreq_reg = USB_CTRL_AUTOREQ;
  controller->set_dma_mode = cppi41_set_dma_mode;
  controller}
 }

 channel_size =  controller = kzalloc(size,)
   sizeof(struct cppi41_dma_channel);
 hannel =(channel_size,GFP_KERNELjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 if (!controller->rx_channel)
  goto rx_channel_alloc_fail;
 goto kzalloc_fail;
 if (!controller->tx_channel)
  goto tx_channel_alloc_fail;

 ret =  &controller-early_tx,,java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
 if (ret)
  goto plat_get_fail;
 return &controller->controller;

plat_get_fail:
 kfree(controller->tx_channel);
tx_channel_alloc_fail:
 kfree(controller->rx_channel);
rx_channel_alloc_fail:
 kfree(controller);
kzalloc_fail
 if (ret == -EPROBE_DEFER)
  return ERR_PTR(ret);
 return NULL;
}
EXPORT_SYMBOL_GPL(cppi41_dma_controller_create);