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staging: octeon-usb: assume union type for FIELD32 macros
Assume union type for FIELD32 macros to simplify usage. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaro Koskinen
Greg Kroah-Hartman
parent
9a02e8d211
commit
6068e81879
@ -394,12 +394,13 @@ struct octeon_hcd {
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};
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/* This macro spins on a field waiting for it to reach a value */
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#define CVMX_WAIT_FOR_FIELD32(address, type, field, op, value, timeout_usec)\
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#define CVMX_WAIT_FOR_FIELD32(address, _union, field, op, value, timeout_usec)\
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({int result; \
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do { \
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uint64_t done = cvmx_get_cycle() + (uint64_t)timeout_usec * \
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octeon_get_clock_rate() / 1000000; \
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type c; \
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union _union c; \
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\
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while (1) { \
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c.u32 = cvmx_usb_read_csr32(usb, address); \
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if (c.s.field op (value)) { \
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@ -418,9 +419,10 @@ struct octeon_hcd {
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* This macro logically sets a single field in a CSR. It does the sequence
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* read, modify, and write
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*/
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#define USB_SET_FIELD32(address, type, field, value) \
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#define USB_SET_FIELD32(address, _union, field, value) \
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do { \
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type c; \
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union _union c; \
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\
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c.u32 = cvmx_usb_read_csr32(usb, address); \
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c.s.field = value; \
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cvmx_usb_write_csr32(usb, address, c.u32); \
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@ -621,9 +623,8 @@ static void cvmx_fifo_setup(struct cvmx_usb_state *usb)
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* Program the USBC_GRXFSIZ register to select the size of the receive
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* FIFO (25%).
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*/
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USB_SET_FIELD32(CVMX_USBCX_GRXFSIZ(usb->index),
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union cvmx_usbcx_grxfsiz, rxfdep,
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usbcx_ghwcfg3.s.dfifodepth / 4);
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USB_SET_FIELD32(CVMX_USBCX_GRXFSIZ(usb->index), cvmx_usbcx_grxfsiz,
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rxfdep, usbcx_ghwcfg3.s.dfifodepth / 4);
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/*
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* Program the USBC_GNPTXFSIZ register to select the size and the start
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@ -647,17 +648,15 @@ static void cvmx_fifo_setup(struct cvmx_usb_state *usb)
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/* Flush all FIFOs */
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USB_SET_FIELD32(CVMX_USBCX_GRSTCTL(usb->index),
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union cvmx_usbcx_grstctl, txfnum, 0x10);
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cvmx_usbcx_grstctl, txfnum, 0x10);
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USB_SET_FIELD32(CVMX_USBCX_GRSTCTL(usb->index),
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union cvmx_usbcx_grstctl, txfflsh, 1);
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cvmx_usbcx_grstctl, txfflsh, 1);
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CVMX_WAIT_FOR_FIELD32(CVMX_USBCX_GRSTCTL(usb->index),
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union cvmx_usbcx_grstctl,
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txfflsh, ==, 0, 100);
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cvmx_usbcx_grstctl, txfflsh, ==, 0, 100);
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USB_SET_FIELD32(CVMX_USBCX_GRSTCTL(usb->index),
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union cvmx_usbcx_grstctl, rxfflsh, 1);
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cvmx_usbcx_grstctl, rxfflsh, 1);
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CVMX_WAIT_FOR_FIELD32(CVMX_USBCX_GRSTCTL(usb->index),
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union cvmx_usbcx_grstctl,
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rxfflsh, ==, 0, 100);
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cvmx_usbcx_grstctl, rxfflsh, ==, 0, 100);
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}
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/**
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@ -926,9 +925,9 @@ static int cvmx_usb_initialize(struct device *dev,
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* USBC_GINTMSK[PRTINT] = 1
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*/
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk, prtintmsk, 1);
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cvmx_usbcx_gintmsk, prtintmsk, 1);
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk, disconnintmsk, 1);
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cvmx_usbcx_gintmsk, disconnintmsk, 1);
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/*
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* 2. Program the USBC_HCFG register to select full-speed host
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@ -975,7 +974,7 @@ static void cvmx_usb_reset_port(struct cvmx_usb_state *usb)
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CVMX_USBCX_HPRT(usb->index));
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/* Program the port reset bit to start the reset process */
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), union cvmx_usbcx_hprt,
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), cvmx_usbcx_hprt,
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prtrst, 1);
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/*
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@ -985,7 +984,7 @@ static void cvmx_usb_reset_port(struct cvmx_usb_state *usb)
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mdelay(50);
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/* Program the port reset bit to 0, USBC_HPRT[PRTRST] = 0 */
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), union cvmx_usbcx_hprt,
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), cvmx_usbcx_hprt,
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prtrst, 0);
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/*
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@ -1010,7 +1009,7 @@ static void cvmx_usb_reset_port(struct cvmx_usb_state *usb)
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static int cvmx_usb_disable(struct cvmx_usb_state *usb)
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{
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/* Disable the port */
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), union cvmx_usbcx_hprt,
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index), cvmx_usbcx_hprt,
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prtena, 1);
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return 0;
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}
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@ -1285,12 +1284,10 @@ static void cvmx_usb_poll_tx_fifo(struct cvmx_usb_state *usb)
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if (cvmx_usb_fill_tx_hw(usb, &usb->periodic,
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tx_status.s.ptxfspcavail))
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk,
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ptxfempmsk, 1);
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cvmx_usbcx_gintmsk, ptxfempmsk, 1);
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else
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk,
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ptxfempmsk, 0);
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cvmx_usbcx_gintmsk, ptxfempmsk, 0);
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}
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if (usb->nonperiodic.head != usb->nonperiodic.tail) {
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@ -1301,12 +1298,10 @@ static void cvmx_usb_poll_tx_fifo(struct cvmx_usb_state *usb)
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if (cvmx_usb_fill_tx_hw(usb, &usb->nonperiodic,
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tx_status.s.nptxfspcavail))
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk,
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nptxfempmsk, 1);
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cvmx_usbcx_gintmsk, nptxfempmsk, 1);
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else
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk,
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nptxfempmsk, 0);
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cvmx_usbcx_gintmsk, nptxfempmsk, 0);
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}
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}
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@ -1401,7 +1396,7 @@ static void cvmx_usb_start_channel_control(struct cvmx_usb_state *usb,
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bytes_to_transfer = sizeof(*header);
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/* All Control operations start with a setup going OUT */
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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CVMX_USB_DIRECTION_OUT);
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/*
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* Setup send the control header instead of the buffer data. The
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@ -1416,11 +1411,11 @@ static void cvmx_usb_start_channel_control(struct cvmx_usb_state *usb,
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bytes_to_transfer = 0;
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/* All Control operations start with a setup going OUT */
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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CVMX_USB_DIRECTION_OUT);
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USB_SET_FIELD32(CVMX_USBCX_HCSPLTX(channel, usb->index),
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union cvmx_usbcx_hcspltx, compsplt, 1);
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cvmx_usbcx_hcspltx, compsplt, 1);
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break;
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case CVMX_USB_STAGE_DATA:
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usbc_hctsiz.s.pid = cvmx_usb_get_data_pid(pipe);
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@ -1431,7 +1426,7 @@ static void cvmx_usb_start_channel_control(struct cvmx_usb_state *usb,
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bytes_to_transfer = pipe->max_packet;
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}
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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((header->bRequestType & USB_DIR_IN) ?
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CVMX_USB_DIRECTION_IN :
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CVMX_USB_DIRECTION_OUT));
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@ -1441,18 +1436,18 @@ static void cvmx_usb_start_channel_control(struct cvmx_usb_state *usb,
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if (!(header->bRequestType & USB_DIR_IN))
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bytes_to_transfer = 0;
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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((header->bRequestType & USB_DIR_IN) ?
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CVMX_USB_DIRECTION_IN :
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CVMX_USB_DIRECTION_OUT));
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USB_SET_FIELD32(CVMX_USBCX_HCSPLTX(channel, usb->index),
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union cvmx_usbcx_hcspltx, compsplt, 1);
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cvmx_usbcx_hcspltx, compsplt, 1);
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break;
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case CVMX_USB_STAGE_STATUS:
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usbc_hctsiz.s.pid = cvmx_usb_get_data_pid(pipe);
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bytes_to_transfer = 0;
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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((header->bRequestType & USB_DIR_IN) ?
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CVMX_USB_DIRECTION_OUT :
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CVMX_USB_DIRECTION_IN));
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@ -1461,12 +1456,12 @@ static void cvmx_usb_start_channel_control(struct cvmx_usb_state *usb,
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usbc_hctsiz.s.pid = cvmx_usb_get_data_pid(pipe);
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bytes_to_transfer = 0;
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, epdir,
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cvmx_usbcx_hccharx, epdir,
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((header->bRequestType & USB_DIR_IN) ?
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CVMX_USB_DIRECTION_OUT :
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CVMX_USB_DIRECTION_IN));
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USB_SET_FIELD32(CVMX_USBCX_HCSPLTX(channel, usb->index),
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union cvmx_usbcx_hcspltx, compsplt, 1);
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cvmx_usbcx_hcspltx, compsplt, 1);
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break;
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}
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@ -1830,14 +1825,12 @@ static void cvmx_usb_start_channel(struct cvmx_usb_state *usb, int channel,
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USB_SET_FIELD32(
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CVMX_USBCX_HCTSIZX(channel,
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usb->index),
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union cvmx_usbcx_hctsizx,
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pid, 0);
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cvmx_usbcx_hctsizx, pid, 0);
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else /* Need MDATA */
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USB_SET_FIELD32(
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CVMX_USBCX_HCTSIZX(channel,
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usb->index),
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union cvmx_usbcx_hctsizx,
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pid, 3);
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cvmx_usbcx_hctsizx, pid, 3);
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}
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}
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break;
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@ -1853,7 +1846,7 @@ static void cvmx_usb_start_channel(struct cvmx_usb_state *usb, int channel,
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if (cvmx_usb_pipe_needs_split(usb, pipe))
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usb->active_split = transaction;
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USB_SET_FIELD32(CVMX_USBCX_HCCHARX(channel, usb->index),
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union cvmx_usbcx_hccharx, chena, 1);
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cvmx_usbcx_hccharx, chena, 1);
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if (usb->init_flags & CVMX_USB_INITIALIZE_FLAGS_NO_DMA)
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cvmx_usb_fill_tx_fifo(usb, channel);
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}
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@ -1983,7 +1976,7 @@ static void cvmx_usb_schedule(struct cvmx_usb_state *usb, int is_sof)
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}
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}
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USB_SET_FIELD32(CVMX_USBCX_GINTMSK(usb->index),
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union cvmx_usbcx_gintmsk, sofmsk, need_sof);
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cvmx_usbcx_gintmsk, sofmsk, need_sof);
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}
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static void octeon_usb_urb_complete_callback(struct cvmx_usb_state *usb,
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@ -3527,7 +3520,7 @@ static int octeon_usb_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
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*/
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spin_lock_irqsave(&priv->lock, flags);
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USB_SET_FIELD32(CVMX_USBCX_HPRT(usb->index),
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union cvmx_usbcx_hprt, prtpwr, 1);
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cvmx_usbcx_hprt, prtpwr, 1);
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spin_unlock_irqrestore(&priv->lock, flags);
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return 0;
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case USB_PORT_FEAT_RESET:
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