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Commit 58432015 authored by Greg Ungerer's avatar Greg Ungerer
Browse files

m68k: clean up comment delimiters in dma.h



Change C99 style comments to traditional K&R style.

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent cba89e23
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+27 −27
Original line number Diff line number Diff line
@@ -177,21 +177,21 @@ static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
  dmabp = (unsigned char *) dma_base_addr[dmanr];
  dmawp = (unsigned short *) dma_base_addr[dmanr];

  // Clear config errors
  /* Clear config errors */
  dmabp[MCFDMA_DSR] = MCFDMA_DSR_DONE;

  // Set command register
  /* Set command register */
  dmawp[MCFDMA_DCR] =
    MCFDMA_DCR_INT |         // Enable completion irq
    MCFDMA_DCR_CS |          // Force one xfer per request
    MCFDMA_DCR_AA |          // Enable auto alignment
    // single-address-mode
    MCFDMA_DCR_INT |         /* Enable completion irq */
    MCFDMA_DCR_CS |          /* Force one xfer per request */
    MCFDMA_DCR_AA |          /* Enable auto alignment */
    /* single-address-mode */
    ((mode & DMA_MODE_SINGLE_BIT) ? MCFDMA_DCR_SAA : 0) |
    // sets s_rw (-> r/w) high if Memory to I/0
    /* sets s_rw (-> r/w) high if Memory to I/0 */
    ((mode & DMA_MODE_WRITE_BIT) ? MCFDMA_DCR_S_RW : 0) |
    // Memory to I/O or I/O to Memory
    /* Memory to I/O or I/O to Memory */
    ((mode & DMA_MODE_WRITE_BIT) ? MCFDMA_DCR_SINC : MCFDMA_DCR_DINC) |
    // 32 bit, 16 bit or 8 bit transfers
    /* 32 bit, 16 bit or 8 bit transfers */
    ((mode & DMA_MODE_WORD_BIT)  ? MCFDMA_DCR_SSIZE_WORD :
     ((mode & DMA_MODE_LONG_BIT) ? MCFDMA_DCR_SSIZE_LONG :
                                   MCFDMA_DCR_SSIZE_BYTE)) |
@@ -219,16 +219,16 @@ static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a)
  dmawp = (unsigned short *) dma_base_addr[dmanr];
  dmalp = (unsigned int *) dma_base_addr[dmanr];

  // Determine which address registers are used for memory/device accesses
  /* Determine which address registers are used for memory/device accesses */
  if (dmawp[MCFDMA_DCR] & MCFDMA_DCR_SINC) {
    // Source incrementing, must be memory
    /* Source incrementing, must be memory */
    dmalp[MCFDMA_SAR] = a;
    // Set dest address, must be device
    /* Set dest address, must be device */
    dmalp[MCFDMA_DAR] = dma_device_address[dmanr];
  } else {
    // Destination incrementing, must be memory
    /* Destination incrementing, must be memory */
    dmalp[MCFDMA_DAR] = a;
    // Set source address, must be device
    /* Set source address, must be device */
    dmalp[MCFDMA_SAR] = dma_device_address[dmanr];
  }

@@ -367,19 +367,19 @@ static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
  dmalp = (unsigned int *) dma_base_addr[dmanr];
  dmawp = (unsigned short *) dma_base_addr[dmanr];

  // Clear config errors
  /* Clear config errors */
  dmalp[MCFDMA_DMR] |= MCFDMA_DMR_RESET;

  // Set command register
  /* Set command register */
  dmalp[MCFDMA_DMR] =
    MCFDMA_DMR_RQM_DUAL |         // Mandatory Request Mode setting
    MCFDMA_DMR_DSTT_SD  |         // Set up addressing types; set to supervisor-data.
    MCFDMA_DMR_SRCT_SD  |         // Set up addressing types; set to supervisor-data.
    // source static-address-mode
    MCFDMA_DMR_RQM_DUAL |         /* Mandatory Request Mode setting */
    MCFDMA_DMR_DSTT_SD  |         /* Set up addressing types; set to supervisor-data. */
    MCFDMA_DMR_SRCT_SD  |         /* Set up addressing types; set to supervisor-data. */
    /* source static-address-mode */
    ((mode & DMA_MODE_SRC_SA_BIT) ? MCFDMA_DMR_SRCM_SA : MCFDMA_DMR_SRCM_IA) |
    // dest static-address-mode
    /* dest static-address-mode */
    ((mode & DMA_MODE_DES_SA_BIT) ? MCFDMA_DMR_DSTM_SA : MCFDMA_DMR_DSTM_IA) |
    // burst, 32 bit, 16 bit or 8 bit transfers are separately configurable on the MCF5272
    /* burst, 32 bit, 16 bit or 8 bit transfers are separately configurable on the MCF5272 */
    (((mode & DMA_MODE_SSIZE_MASK) >> DMA_MODE_SSIZE_OFF) << MCFDMA_DMR_DSTS_OFF) |
    (((mode & DMA_MODE_SSIZE_MASK) >> DMA_MODE_SSIZE_OFF) << MCFDMA_DMR_SRCS_OFF);

@@ -403,16 +403,16 @@ static __inline__ void set_dma_addr(unsigned int dmanr, unsigned int a)

  dmalp = (unsigned int *) dma_base_addr[dmanr];

  // Determine which address registers are used for memory/device accesses
  /* Determine which address registers are used for memory/device accesses */
  if (dmalp[MCFDMA_DMR] & MCFDMA_DMR_SRCM) {
    // Source incrementing, must be memory
    /* Source incrementing, must be memory */
    dmalp[MCFDMA_DSAR] = a;
    // Set dest address, must be device
    /* Set dest address, must be device */
    dmalp[MCFDMA_DDAR] = dma_device_address[dmanr];
  } else {
    // Destination incrementing, must be memory
    /* Destination incrementing, must be memory */
    dmalp[MCFDMA_DDAR] = a;
    // Set source address, must be device
    /* Set source address, must be device */
    dmalp[MCFDMA_DSAR] = dma_device_address[dmanr];
  }