diff options
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.c | 397 | ||||
| -rw-r--r-- | drivers/usb/host/isp1760-hcd.h | 11 |
2 files changed, 190 insertions, 218 deletions
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index e0d9704b203..0f5b4894673 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -48,10 +48,6 @@ static inline struct isp1760_hcd *hcd_to_priv(struct usb_hcd *hcd) { return (struct isp1760_hcd *) (hcd->hcd_priv); } -static inline struct usb_hcd *priv_to_hcd(struct isp1760_hcd *priv) -{ - return container_of((void *) priv, struct usb_hcd, hcd_priv); -} /* Section 2.2 Host Controller Capability Registers */ #define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */ @@ -100,18 +96,14 @@ struct isp1760_qtd { struct isp1760_qh { /* first part defined by EHCI spec */ struct list_head qtd_list; - struct isp1760_hcd *priv; /* periodic schedule info */ unsigned short period; /* polling interval */ - struct usb_device *dev; u32 toggle; u32 ping; }; -#define ehci_port_speed(priv, portsc) USB_PORT_STAT_HIGH_SPEED - /* * Access functions for isp176x registers (addresses 0..0x03FF). */ @@ -288,8 +280,9 @@ static void init_memory(struct isp1760_hcd *priv) BUG_ON(payload_addr - priv->memory_pool[0].start > PAYLOAD_AREA_SIZE); } -static void alloc_mem(struct isp1760_hcd *priv, struct isp1760_qtd *qtd) +static void alloc_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); int i; BUG_ON(qtd->payload_addr); @@ -306,11 +299,12 @@ static void alloc_mem(struct isp1760_hcd *priv, struct isp1760_qtd *qtd) } } - printk(KERN_ERR "ISP1760 MEM: can not allocate %lu bytes of memory\n", - qtd->length); - printk(KERN_ERR "Current memory map:\n"); + dev_err(hcd->self.controller, + "%s: Can not allocate %lu bytes of memory\n" + "Current memory map:\n", + __func__, qtd->length); for (i = 0; i < BLOCKS; i++) { - printk(KERN_ERR "Pool %2d size %4d status: %d\n", + dev_err(hcd->self.controller, "Pool %2d size %4d status: %d\n", i, priv->memory_pool[i].size, priv->memory_pool[i].free); } @@ -319,8 +313,9 @@ static void alloc_mem(struct isp1760_hcd *priv, struct isp1760_qtd *qtd) return; } -static void free_mem(struct isp1760_hcd *priv, struct isp1760_qtd *qtd) +static void free_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); int i; if (!qtd->payload_addr) @@ -335,8 +330,8 @@ static void free_mem(struct isp1760_hcd *priv, struct isp1760_qtd *qtd) } } - printk(KERN_ERR "%s: Invalid pointer: %08x\n", __func__, - qtd->payload_addr); + dev_err(hcd->self.controller, "%s: Invalid pointer: %08x\n", + __func__, qtd->payload_addr); BUG(); } @@ -371,10 +366,11 @@ static int handshake(struct usb_hcd *hcd, u32 reg, } /* reset a non-running (STS_HALT == 1) controller */ -static int ehci_reset(struct isp1760_hcd *priv) +static int ehci_reset(struct usb_hcd *hcd) { int retval; - struct usb_hcd *hcd = priv_to_hcd(priv); + struct isp1760_hcd *priv = hcd_to_priv(hcd); + u32 command = reg_read32(hcd->regs, HC_USBCMD); command |= CMD_RESET; @@ -392,8 +388,7 @@ static void qh_destroy(struct isp1760_qh *qh) kmem_cache_free(qh_cachep, qh); } -static struct isp1760_qh *isp1760_qh_alloc(struct isp1760_hcd *priv, - gfp_t flags) +static struct isp1760_qh *isp1760_qh_alloc(gfp_t flags) { struct isp1760_qh *qh; @@ -402,7 +397,6 @@ static struct isp1760_qh *isp1760_qh_alloc(struct isp1760_hcd *priv, return qh; INIT_LIST_HEAD(&qh->qtd_list); - qh->priv = priv; return qh; } @@ -474,7 +468,7 @@ static int isp1760_hc_setup(struct usb_hcd *hcd) scratch = reg_read32(hcd->regs, HC_CHIP_ID_REG); scratch = reg_read32(hcd->regs, HC_SCRATCH_REG); if (scratch != 0xdeadbabe) { - printk(KERN_ERR "ISP1760: Scratch test failed.\n"); + dev_err(hcd->self.controller, "Scratch test failed.\n"); return -ENODEV; } @@ -488,13 +482,13 @@ static int isp1760_hc_setup(struct usb_hcd *hcd) reg_write32(hcd->regs, HC_RESET_REG, SW_RESET_RESET_HC); mdelay(100); - result = ehci_reset(priv); + result = ehci_reset(hcd); if (result) return result; /* Step 11 passed */ - isp1760_info(priv, "bus width: %d, oc: %s\n", + dev_info(hcd->self.controller, "bus width: %d, oc: %s\n", (priv->devflags & ISP1760_FLAG_BUS_WIDTH_16) ? 16 : 32, (priv->devflags & ISP1760_FLAG_ANALOG_OC) ? "analog" : "digital"); @@ -542,7 +536,6 @@ static void isp1760_enable_interrupts(struct usb_hcd *hcd) static int isp1760_run(struct usb_hcd *hcd) { - struct isp1760_hcd *priv = hcd_to_priv(hcd); int retval; u32 temp; u32 command; @@ -579,8 +572,8 @@ static int isp1760_run(struct usb_hcd *hcd) return retval; chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG); - isp1760_info(priv, "USB ISP %04x HW rev. %d started\n", chipid & 0xffff, - chipid >> 16); + dev_info(hcd->self.controller, "USB ISP %04x HW rev. %d started\n", + chipid & 0xffff, chipid >> 16); /* PTD Register Init Part 2, Step 28 */ /* enable INTs */ @@ -598,7 +591,7 @@ static u32 base_to_chip(u32 base) return ((base - 0x400) >> 3); } -static void transform_into_atl(struct isp1760_hcd *priv, struct isp1760_qh *qh, +static void transform_into_atl(struct isp1760_qh *qh, struct isp1760_qtd *qtd, struct ptd *ptd) { u32 maxpacket; @@ -677,7 +670,7 @@ static void transform_into_atl(struct isp1760_hcd *priv, struct isp1760_qh *qh, ptd->dw3 |= PTD_CERR(ERR_COUNTER); } -static void transform_add_int(struct isp1760_hcd *priv, struct isp1760_qh *qh, +static void transform_add_int(struct isp1760_qh *qh, struct isp1760_qtd *qtd, struct ptd *ptd) { u32 maxpacket; @@ -738,11 +731,11 @@ static void transform_add_int(struct isp1760_hcd *priv, struct isp1760_qh *qh, ptd->dw4 = usof; } -static void transform_into_int(struct isp1760_hcd *priv, struct isp1760_qh *qh, +static void transform_into_int(struct isp1760_qh *qh, struct isp1760_qtd *qtd, struct ptd *ptd) { - transform_into_atl(priv, qh, qtd, ptd); - transform_add_int(priv, qh, qtd, ptd); + transform_into_atl(qh, qtd, ptd); + transform_add_int(qh, qtd, ptd); } static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len, @@ -763,7 +756,7 @@ static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len, return count; } -static int check_error(struct ptd *ptd) +static int check_error(struct usb_hcd *hcd, struct ptd *ptd) { int error = 0; @@ -775,15 +768,15 @@ static int check_error(struct ptd *ptd) } if (ptd->dw3 & DW3_QTD_ACTIVE) { - printk(KERN_ERR "transfer active bit is set DW3\n"); - printk(KERN_ERR "nak counter: %d, rl: %d\n", - (ptd->dw3 >> 19) & 0xf, (ptd->dw2 >> 25) & 0xf); + dev_err(hcd->self.controller, "Transfer active bit is set DW3\n" + "nak counter: %d, rl: %d\n", + (ptd->dw3 >> 19) & 0xf, (ptd->dw2 >> 25) & 0xf); } return error; } -static void check_int_err_status(u32 dw4) +static void check_int_err_status(struct usb_hcd *hcd, u32 dw4) { u32 i; @@ -792,25 +785,24 @@ static void check_int_err_status(u32 dw4) for (i = 0; i < 8; i++) { switch (dw4 & 0x7) { case INT_UNDERRUN: - printk(KERN_ERR "ERROR: under run , %d\n", i); + dev_err(hcd->self.controller, "Underrun (%d)\n", i); break; case INT_EXACT: - printk(KERN_ERR "ERROR: transaction error, %d\n", i); + dev_err(hcd->self.controller, + "Transaction error (%d)\n", i); break; case INT_BABBLE: - printk(KERN_ERR "ERROR: babble error, %d\n", i); + dev_err(hcd->self.controller, "Babble error (%d)\n", i); break; } dw4 >>= 3; } } -static void enqueue_one_qtd(struct isp1760_qtd *qtd, struct isp1760_hcd *priv) +static void enqueue_one_qtd(struct usb_hcd *hcd, struct isp1760_qtd *qtd) { - struct usb_hcd *hcd = priv_to_hcd(priv); - if (qtd->length && (qtd->length <= MAX_PAYLOAD_SIZE)) { switch (qtd->packet_type) { case IN_PID: @@ -823,17 +815,16 @@ static void enqueue_one_qtd(struct isp1760_qtd *qtd, struct isp1760_hcd *priv) } } -static void enqueue_one_atl_qtd(struct isp1760_hcd *priv, - struct isp1760_qh *qh, u32 slot, - struct isp1760_qtd *qtd) +static void enqueue_one_atl_qtd(struct usb_hcd *hcd, struct isp1760_qh *qh, + u32 slot, struct isp1760_qtd *qtd) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); struct ptd ptd; - struct usb_hcd *hcd = priv_to_hcd(priv); - alloc_mem(priv, qtd); - transform_into_atl(priv, qh, qtd, &ptd); + alloc_mem(hcd, qtd); + transform_into_atl(qh, qtd, &ptd); ptd_write(hcd->regs, ATL_PTD_OFFSET, slot, &ptd); - enqueue_one_qtd(qtd, priv); + enqueue_one_qtd(hcd, qtd); priv->atl_ints[slot].qh = qh; priv->atl_ints[slot].qtd = qtd; @@ -841,17 +832,16 @@ static void enqueue_one_atl_qtd(struct isp1760_hcd *priv, qtd->status |= slot << 16; } -static void enqueue_one_int_qtd(struct isp1760_hcd *priv, - struct isp1760_qh *qh, u32 slot, - struct isp1760_qtd *qtd) +static void enqueue_one_int_qtd(struct usb_hcd *hcd, struct isp1760_qh *qh, + u32 slot, struct isp1760_qtd *qtd) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); struct ptd ptd; - struct usb_hcd *hcd = priv_to_hcd(priv); - alloc_mem(priv, qtd); - transform_into_int(priv, qh, qtd, &ptd); + alloc_mem(hcd, qtd); + transform_into_int(qh, qtd, &ptd); ptd_write(hcd->regs, INT_PTD_OFFSET, slot, &ptd); - enqueue_one_qtd(qtd, priv); + enqueue_one_qtd(hcd, qtd); priv->int_ints[slot].qh = qh; priv->int_ints[slot].qtd = qtd; @@ -864,7 +854,6 @@ static void enqueue_an_ATL_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, { struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 skip_map, or_map; - u32 queue_entry; u32 slot; u32 buffstatus; @@ -880,15 +869,14 @@ static void enqueue_an_ATL_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, BUG_ON(!skip_map); slot = __ffs(skip_map); - queue_entry = 1 << slot; - enqueue_one_atl_qtd(priv, qh, slot, qtd); + enqueue_one_atl_qtd(hcd, qh, slot, qtd); or_map = reg_read32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG); - or_map |= queue_entry; + or_map |= (1 << slot); reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, or_map); - skip_map &= ~queue_entry; + skip_map &= ~(1 << slot); reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, skip_map); priv->atl_queued++; @@ -904,9 +892,7 @@ static void enqueue_an_ATL_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, static void enqueue_an_INT_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, struct isp1760_qtd *qtd) { - struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 skip_map, or_map; - u32 queue_entry; u32 slot; u32 buffstatus; @@ -922,15 +908,14 @@ static void enqueue_an_INT_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, BUG_ON(!skip_map); slot = __ffs(skip_map); - queue_entry = 1 << slot; - enqueue_one_int_qtd(priv, qh, slot, qtd); + enqueue_one_int_qtd(hcd, qh, slot, qtd); or_map = reg_read32(hcd->regs, HC_INT_IRQ_MASK_OR_REG); - or_map |= queue_entry; + or_map |= (1 << slot); reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, or_map); - skip_map &= ~queue_entry; + skip_map &= ~(1 << slot); reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, skip_map); buffstatus = reg_read32(hcd->regs, HC_BUFFER_STATUS_REG); @@ -938,14 +923,15 @@ static void enqueue_an_INT_packet(struct usb_hcd *hcd, struct isp1760_qh *qh, reg_write32(hcd->regs, HC_BUFFER_STATUS_REG, buffstatus); } -static void isp1760_urb_done(struct isp1760_hcd *priv, struct urb *urb, - int status) +static void isp1760_urb_done(struct usb_hcd *hcd, struct urb *urb) __releases(priv->lock) __acquires(priv->lock) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); + if (!urb->unlinked) { - if (status == -EINPROGRESS) - status = 0; + if (urb->status == -EINPROGRESS) + urb->status = 0; } if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) { @@ -957,9 +943,9 @@ __acquires(priv->lock) } /* complete() can reenter this HCD */ - usb_hcd_unlink_urb_from_ep(priv_to_hcd(priv), urb); + usb_hcd_unlink_urb_from_ep(hcd, urb); spin_unlock(&priv->lock); - usb_hcd_giveback_urb(priv_to_hcd(priv), urb, status); + usb_hcd_giveback_urb(hcd, urb, urb->status); spin_lock(&priv->lock); } @@ -1019,8 +1005,8 @@ static void do_atl_int(struct usb_hcd *hcd) struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 done_map, skip_map; struct ptd ptd; - struct urb *urb = NULL; - u32 queue_entry; + struct urb *urb; + u32 slot; u32 length; u32 or_map; u32 status = -EINVAL; @@ -1041,19 +1027,18 @@ static void do_atl_int(struct usb_hcd *hcd) status = 0; priv->atl_queued--; - queue_entry = __ffs(done_map); - done_map &= ~(1 << queue_entry); - skip_map |= 1 << queue_entry; + slot = __ffs(done_map); + done_map &= ~(1 << slot); + skip_map |= (1 << slot); - qtd = priv->atl_ints[queue_entry].qtd; - urb = qtd->urb; - qh = priv->atl_ints[queue_entry].qh; + qtd = priv->atl_ints[slot].qtd; + qh = priv->atl_ints[slot].qh; if (!qh) { - printk(KERN_ERR "qh is 0\n"); + dev_err(hcd->self.controller, "qh is 0\n"); continue; } - ptd_read(hcd->regs, ATL_PTD_OFFSET, queue_entry, &ptd); + ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd); rl = (ptd.dw2 >> 25) & 0x0f; nakcount = (ptd.dw3 >> 19) & 0xf; @@ -1070,7 +1055,8 @@ static void do_atl_int(struct usb_hcd *hcd) */ length = PTD_XFERRED_LENGTH(ptd.dw3); - printk(KERN_ERR "Should reload now.... transfered %d " + dev_err(hcd->self.controller, + "Should reload now... transferred %d " "of %zu\n", length, qtd->length); BUG(); } @@ -1095,13 +1081,13 @@ static void do_atl_int(struct usb_hcd *hcd) * is unchanged. Just make sure that this entry is * unskipped once it gets written to the HW. */ - skip_map &= ~(1 << queue_entry); + skip_map &= ~(1 << slot); or_map = reg_read32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG); - or_map |= 1 << queue_entry; + or_map |= 1 << slot; reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, or_map); ptd.dw0 |= PTD_VALID; - ptd_write(hcd->regs, ATL_PTD_OFFSET, queue_entry, &ptd); + ptd_write(hcd->regs, ATL_PTD_OFFSET, slot, &ptd); priv->atl_queued++; if (priv->atl_queued == 2) @@ -1116,12 +1102,12 @@ static void do_atl_int(struct usb_hcd *hcd) continue; } - error = check_error(&ptd); + error = check_error(hcd, &ptd); if (error) { status = error; - priv->atl_ints[queue_entry].qh->toggle = 0; - priv->atl_ints[queue_entry].qh->ping = 0; - urb->status = -EPIPE; + priv->atl_ints[slot].qh->toggle = 0; + priv->atl_ints[slot].qh->ping = 0; + qtd->urb->status = -EPIPE; #if 0 printk(KERN_ERR "Error in %s().\n", __func__); @@ -1132,10 +1118,10 @@ static void do_atl_int(struct usb_hcd *hcd) ptd.dw4, ptd.dw5, ptd.dw6, ptd.dw7); #endif } else { - if (usb_pipetype(urb->pipe) == PIPE_BULK) { - priv->atl_ints[queue_entry].qh->toggle = + if (usb_pipetype(qtd->urb->pipe) == PIPE_BULK) { + priv->atl_ints[slot].qh->toggle = ptd.dw3 & (1 << 25); - priv->atl_ints[queue_entry].qh->ping = + priv->atl_ints[slot].qh->ping = ptd.dw3 & (1 << 26); } } @@ -1149,51 +1135,55 @@ static void do_atl_int(struct usb_hcd *hcd) case OUT_PID: - urb->actual_length += length; + qtd->urb->actual_length += length; case SETUP_PID: break; } } - priv->atl_ints[queue_entry].qtd = NULL; - priv->atl_ints[queue_entry].qh = NULL; + priv->atl_ints[slot].qtd = NULL; + priv->atl_ints[slot].qh = NULL; - free_mem(priv, qtd); + free_mem(hcd, qtd); reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, skip_map); - if (urb->status == -EPIPE) { + if (qtd->urb->status == -EPIPE) { /* HALT was received */ + urb = qtd->urb; qtd = clean_up_qtdlist(qtd, qh); - isp1760_urb_done(priv, urb, urb->status); + isp1760_urb_done(hcd, urb); - } else if (usb_pipebulk(urb->pipe) && (length < qtd->length)) { + } else if (usb_pipebulk(qtd->urb->pipe) && + (length < qtd->length)) { /* short BULK received */ - if (urb->transfer_flags & URB_SHORT_NOT_OK) { - urb->status = -EREMOTEIO; - isp1760_dbg(priv, "short bulk, %d instead %zu " - "with URB_SHORT_NOT_OK flag.\n", - length, qtd->length); + if (qtd->urb->transfer_flags & URB_SHORT_NOT_OK) { + qtd->urb->status = -EREMOTEIO; + dev_dbg(hcd->self.controller, + "short bulk, %d instead %zu " + "with URB_SHORT_NOT_OK flag.\n", + length, qtd->length); } - if (urb->status == -EINPROGRESS) - urb->status = 0; + if (qtd->urb->status == -EINPROGRESS) + qtd->urb->status = 0; + urb = qtd->urb; qtd = clean_up_qtdlist(qtd, qh); - - isp1760_urb_done(priv, urb, urb->status); + isp1760_urb_done(hcd, urb); } else if (last_qtd_of_urb(qtd, qh)) { /* that was the last qtd of that URB */ - if (urb->status == -EINPROGRESS) - urb->status = 0; + if (qtd->urb->status == -EINPROGRESS) + qtd->urb->status = 0; - qtd = clean_this_qtd(qtd, qh); - isp1760_urb_done(priv, urb, urb->status); + urb = qtd->urb; + qtd = clean_up_qtdlist(qtd, qh); + isp1760_urb_done(hcd, urb); } else { /* next QTD of this URB */ @@ -1217,11 +1207,11 @@ static void do_intl_int(struct usb_hcd *hcd) struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 done_map, skip_map; struct ptd ptd; - struct urb *urb = NULL; + struct urb *urb; u32 length; u32 or_map; int error; - u32 queue_entry; + u32 slot; struct isp1760_qtd *qtd; struct isp1760_qh *qh; @@ -1233,23 +1223,22 @@ static void do_intl_int(struct usb_hcd *hcd) reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, or_map); while (done_map) { - queue_entry = __ffs(done_map); - done_map &= ~(1 << queue_entry); - skip_map |= 1 << queue_entry; + slot = __ffs(done_map); + done_map &= ~(1 << slot); + skip_map |= (1 << slot); - qtd = priv->int_ints[queue_entry].qtd; - urb = qtd->urb; - qh = priv->int_ints[queue_entry].qh; + qtd = priv->int_ints[slot].qtd; + qh = priv->int_ints[slot].qh; if (!qh) { - printk(KERN_ERR "(INT) qh is 0\n"); + dev_err(hcd->self.controller, "(INT) qh is 0\n"); continue; } - ptd_read(hcd->regs, INT_PTD_OFFSET, queue_entry, &ptd); - check_int_err_status(ptd.dw4); + ptd_read(hcd->regs, INT_PTD_OFFSET, slot, &ptd); + check_int_err_status(hcd, ptd.dw4); - error = check_error(&ptd); + error = check_error(hcd, &ptd); if (error) { #if 0 printk(KERN_ERR "Error in %s().\n", __func__); @@ -1259,18 +1248,16 @@ static void do_intl_int(struct usb_hcd *hcd) ptd.dw0, ptd.dw1, ptd.dw2, ptd.dw3, ptd.dw4, ptd.dw5, ptd.dw6, ptd.dw7); #endif - urb->status = -EPIPE; - priv->int_ints[queue_entry].qh->toggle = 0; - priv->int_ints[queue_entry].qh->ping = 0; + qtd->urb->status = -EPIPE; + priv->int_ints[slot].qh->toggle = 0; + priv->int_ints[slot].qh->ping = 0; } else { - priv->int_ints[queue_entry].qh->toggle = - ptd.dw3 & (1 << 25); - priv->int_ints[queue_entry].qh->ping = - ptd.dw3 & (1 << 26); + priv->int_ints[slot].qh->toggle = ptd.dw3 & (1 << 25); + priv->int_ints[slot].qh->ping = ptd.dw3 & (1 << 26); } - if (urb->dev->speed != USB_SPEED_HIGH) + if (qtd->urb->dev->speed != USB_SPEED_HIGH) length = PTD_XFERRED_LENGTH_LO(ptd.dw3); else length = PTD_XFERRED_LENGTH(ptd.dw3); @@ -1282,32 +1269,34 @@ static void do_intl_int(struct usb_hcd *hcd) qtd->data_buffer, length); case OUT_PID: - urb->actual_length += length; + qtd->urb->actual_length += length; case SETUP_PID: break; } } - priv->int_ints[queue_entry].qtd = NULL; - priv->int_ints[queue_entry].qh = NULL; + priv->int_ints[slot].qtd = NULL; + priv->int_ints[slot].qh = NULL; reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, skip_map); - free_mem(priv, qtd); + free_mem(hcd, qtd); - if (urb->status == -EPIPE) { + if (qtd->urb->status == -EPIPE) { /* HALT received */ - qtd = clean_up_qtdlist(qtd, qh); - isp1760_urb_done(priv, urb, urb->status); + urb = qtd->urb; + qtd = clean_up_qtdlist(qtd, qh); + isp1760_urb_done(hcd, urb); } else if (last_qtd_of_urb(qtd, qh)) { - if (urb->status == -EINPROGRESS) - urb->status = 0; + if (qtd->urb->status == -EINPROGRESS) + qtd->urb->status = 0; - qtd = clean_this_qtd(qtd, qh); - isp1760_urb_done(priv, urb, urb->status); + urb = qtd->urb; + qtd = clean_up_qtdlist(qtd, qh); + isp1760_urb_done(hcd, urb); } else { /* next QTD of this URB */ @@ -1323,14 +1312,13 @@ static void do_intl_int(struct usb_hcd *hcd) } } -#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff) -static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb, +static struct isp1760_qh *qh_make(struct usb_hcd *hcd, struct urb *urb, gfp_t flags) { struct isp1760_qh *qh; int is_input, type; - qh = isp1760_qh_alloc(priv, flags); + qh = isp1760_qh_alloc(flags); if (!qh) return qh; @@ -1350,7 +1338,7 @@ static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb, * But interval 1 scheduling is simpler, and * includes high bandwidth. */ - printk(KERN_ERR "intr period %d uframes, NYET!", + dev_err(hcd->self.controller, "intr period %d uframes, NYET!", urb->interval); qh_destroy(qh); return NULL; @@ -1360,9 +1348,6 @@ static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb, } } - /* support for tt scheduling, and access to toggles */ - qh->dev = urb->dev; - if (!usb_pipecontrol(urb->pipe)) usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), !is_input, 1); @@ -1375,7 +1360,7 @@ static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb, * Returns null if it can't allocate a QH it needs to. * If the QH has TDs (urbs) already, that's great. */ -static struct isp1760_qh *qh_append_tds(struct isp1760_hcd *priv, +static struct isp1760_qh *qh_append_tds(struct usb_hcd *hcd, struct urb *urb, struct list_head *qtd_list, int epnum, void **ptr) { @@ -1384,7 +1369,7 @@ static struct isp1760_qh *qh_append_tds(struct isp1760_hcd *priv, qh = (struct isp1760_qh *)*ptr; if (!qh) { /* can't sleep here, we have priv->lock... */ - qh = qh_make(priv, urb, GFP_ATOMIC); + qh = qh_make(hcd, urb, GFP_ATOMIC); if (!qh) return qh; *ptr = qh; @@ -1395,8 +1380,7 @@ static struct isp1760_qh *qh_append_tds(struct isp1760_hcd *priv, return qh; } -static void qtd_list_free(struct isp1760_hcd *priv, struct urb *urb, - struct list_head *qtd_list) +static void qtd_list_free(struct urb *urb, struct list_head *qtd_list) { struct list_head *entry, *temp; @@ -1409,9 +1393,10 @@ static void qtd_list_free(struct isp1760_hcd *priv, struct urb *urb, } } -static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb, +static int isp1760_prepare_enqueue(struct usb_hcd *hcd, struct urb *urb, struct list_head *qtd_list, gfp_t mem_flags, packet_enqueue *p) { + struct isp1760_hcd *priv = hcd_to_priv(hcd); struct isp1760_qtd *qtd; int epnum; unsigned long flags; @@ -1423,11 +1408,11 @@ static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb, epnum = urb->ep->desc.bEndpointAddress; spin_lock_irqsave(&priv->lock, flags); - if (!HCD_HW_ACCESSIBLE(priv_to_hcd(priv))) { + if (!HCD_HW_ACCESSIBLE(hcd)) { rc = -ESHUTDOWN; goto done; } - rc = usb_hcd_link_urb_to_ep(priv_to_hcd(priv), urb); + rc = usb_hcd_link_urb_to_ep(hcd, urb); if (rc) goto done; @@ -1437,25 +1422,24 @@ static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb, else qh_busy = 0; - qh = qh_append_tds(priv, urb, qtd_list, epnum, &urb->ep->hcpriv); + qh = qh_append_tds(hcd, urb, qtd_list, epnum, &urb->ep->hcpriv); if (!qh) { - usb_hcd_unlink_urb_from_ep(priv_to_hcd(priv), urb); + usb_hcd_unlink_urb_from_ep(hcd, urb); rc = -ENOMEM; goto done; } if (!qh_busy) - p(priv_to_hcd(priv), qh, qtd); + p(hcd, qh, qtd); done: spin_unlock_irqrestore(&priv->lock, flags); if (!qh) - qtd_list_free(priv, urb, qtd_list); + qtd_list_free(urb, qtd_list); return rc; } -static struct isp1760_qtd *isp1760_qtd_alloc(struct isp1760_hcd *priv, - gfp_t flags) +static struct isp1760_qtd *isp1760_qtd_alloc(gfp_t flags) { struct isp1760_qtd *qtd; @@ -1469,7 +1453,8 @@ static struct isp1760_qtd *isp1760_qtd_alloc(struct isp1760_hcd *priv, /* * create a list of filled qtds for this URB; won't link into qh. */ -static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, +#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff) +static struct list_head *qh_urb_transaction(struct usb_hcd *hcd, struct urb *urb, struct list_head *head, gfp_t flags) { struct isp1760_qtd *qtd; @@ -1481,7 +1466,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, /* * URBs map to sequences of QTDs: one logical transaction */ - qtd = isp1760_qtd_alloc(priv, flags); + qtd = isp1760_qtd_alloc(flags); if (!qtd) return NULL; @@ -1502,7 +1487,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, /* ... and always at least one more pid */ token ^= DATA_TOGGLE; - qtd = isp1760_qtd_alloc(priv, flags); + qtd = isp1760_qtd_alloc(flags); if (!qtd) goto cleanup; qtd->urb = urb; @@ -1535,7 +1520,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, if (!buf && len) { /* XXX This looks like usb storage / SCSI bug */ - printk(KERN_ERR "buf is null, dma is %08lx len is %d\n", + dev_err(hcd->self.controller, "buf is null, dma is %08lx len is %d\n", (long unsigned)urb->transfer_dma, len); WARN_ON(1); } @@ -1551,7 +1536,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, if (len <= 0) break; - qtd = isp1760_qtd_alloc(priv, flags); + qtd = isp1760_qtd_alloc(flags); if (!qtd) goto cleanup; qtd->urb = urb; @@ -1577,7 +1562,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, one_more = 1; } if (one_more) { - qtd = isp1760_qtd_alloc(priv, flags); + qtd = isp1760_qtd_alloc(flags); if (!qtd) goto cleanup; qtd->urb = urb; @@ -1592,14 +1577,13 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv, return head; cleanup: - qtd_list_free(priv, urb, head); + qtd_list_free(urb, head); return NULL; } static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) { - struct isp1760_hcd *priv = hcd_to_priv(hcd); struct list_head qtd_list; packet_enqueue *pe; @@ -1608,29 +1592,27 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, switch (usb_pipetype(urb->pipe)) { case PIPE_CONTROL: case PIPE_BULK: - - if (!qh_urb_transaction(priv, urb, &qtd_list, mem_flags)) + if (!qh_urb_transaction(hcd, urb, &qtd_list, mem_flags)) return -ENOMEM; pe = enqueue_an_ATL_packet; break; case PIPE_INTERRUPT: - if (!qh_urb_transaction(priv, urb, &qtd_list, mem_flags)) + if (!qh_urb_transaction(hcd, urb, &qtd_list, mem_flags)) return -ENOMEM; pe = enqueue_an_INT_packet; break; case PIPE_ISOCHRONOUS: - printk(KERN_ERR "PIPE_ISOCHRONOUS ain't supported\n"); + dev_err(hcd->self.controller, "PIPE_ISOCHRONOUS ain't supported\n"); default: return -EPIPE; } - return isp1760_prepare_enqueue(priv, urb, &qtd_list, mem_flags, pe); + return isp1760_prepare_enqueue(hcd, urb, &qtd_list, mem_flags, pe); } -static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, - int status) +static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) { struct isp1760_hcd *priv = hcd_to_priv(hcd); struct inter_packet_info *ints; @@ -1689,13 +1671,13 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, qtd = ints->qtd; qh = ints[i].qh; - free_mem(priv, qtd); + free_mem(hcd, qtd); qtd = clean_up_qtdlist(qtd, qh); ints->qh = NULL; ints->qtd = NULL; - isp1760_urb_done(priv, urb, status); + isp1760_urb_done(hcd, urb); if (qtd) pe(hcd, qh, qtd); break; @@ -1707,7 +1689,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, qtd_list) { if (qtd->urb == urb) { clean_up_qtdlist(qtd, ints[i].qh); - isp1760_urb_done(priv, urb, status); + isp1760_urb_done(hcd, urb); qtd = NULL; break; } @@ -1724,27 +1706,27 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, return 0; } -static irqreturn_t isp1760_irq(struct usb_hcd *usb_hcd) +static irqreturn_t isp1760_irq(struct usb_hcd *hcd) { - struct isp1760_hcd *priv = hcd_to_priv(usb_hcd); + struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 imask; irqreturn_t irqret = IRQ_NONE; spin_lock(&priv->lock); - if (!(usb_hcd->state & HC_STATE_RUNNING)) + if (!(hcd->state & HC_STATE_RUNNING)) goto leave; - imask = reg_read32(usb_hcd->regs, HC_INTERRUPT_REG); + imask = reg_read32(hcd->regs, HC_INTERRUPT_REG); if (unlikely(!imask)) goto leave; - reg_write32(usb_hcd->regs, HC_INTERRUPT_REG, imask); + reg_write32(hcd->regs, HC_INTERRUPT_REG, imask); if (imask & (HC_ATL_INT | HC_SOT_INT)) - do_atl_int(usb_hcd); + do_atl_int(hcd); if (imask & HC_INTL_INT) - do_intl_int(usb_hcd); + do_intl_int(hcd); irqret = IRQ_HANDLED; leave: @@ -1840,15 +1822,17 @@ static int check_reset_complete(struct usb_hcd *hcd, int index, /* if reset finished and it's still not enabled -- handoff */ if (!(port_status & PORT_PE)) { - printk(KERN_ERR "port %d full speed --> companion\n", - index + 1); + dev_err(hcd->self.controller, + "port %d full speed --> companion\n", + index + 1); port_status |= PORT_OWNER; port_status &= ~PORT_RWC_BITS; reg_write32(hcd->regs, HC_PORTSC1, port_status); } else - printk(KERN_ERR "port %d high speed\n", index + 1); + dev_err(hcd->self.controller, "port %d high speed\n", + index + 1); return port_status; } @@ -1961,7 +1945,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq, /* whoever resumes must GetPortStatus to complete it!! */ if (temp & PORT_RESUME) { - printk(KERN_ERR "Port resume should be skipped.\n"); + dev_err(hcd->self.controller, "Port resume should be skipped.\n"); /* Remote Wakeup received? */ if (!priv->reset_done) { @@ -1969,8 +1953,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq, priv->reset_done = jiffies + msecs_to_jiffies(20); /* check the port again */ - mod_timer(&priv_to_hcd(priv)->rh_timer, - priv->reset_done); + mod_timer(&hcd->rh_timer, priv->reset_done); } /* resume completed? */ @@ -1986,7 +1969,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq, retval = handshake(hcd, HC_PORTSC1, PORT_RESUME, 0, 2000 /* 2msec */); if (retval != 0) { - isp1760_err(priv, + dev_err(hcd->self.controller, "port %d resume error %d\n", wIndex + 1, retval); goto error; @@ -2010,7 +1993,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq, retval = handshake(hcd, HC_PORTSC1, PORT_RESET, 0, 750); if (retval != 0) { - isp1760_err(priv, "port %d reset error %d\n", + dev_err(hcd->self.controller, "port %d reset error %d\n", wIndex + 1, retval); goto error; } @@ -2026,12 +2009,12 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq, */ if (temp & PORT_OWNER) - printk(KERN_ERR "Warning: PORT_OWNER is set\n"); + dev_err(hcd->self.controller, "PORT_OWNER is set\n"); if (temp & PORT_CONNECT) { status |= USB_PORT_STAT_CONNECTION; /* status may be from integrated TT */ - status |= ehci_port_speed(priv, temp); + status |= USB_PORT_STAT_HIGH_SPEED; } if (temp & PORT_PE) status |= USB_PORT_STAT_ENABLE; @@ -2120,10 +2103,10 @@ error: return retval; } -static void isp1760_endpoint_disable(struct usb_hcd *usb_hcd, +static void isp1760_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *ep) { - struct isp1760_hcd *priv = hcd_to_priv(usb_hcd); + struct isp1760_hcd *priv = hcd_to_priv(hcd); struct isp1760_qh *qh; struct isp1760_qtd *qtd; unsigned long flags; @@ -2143,16 +2126,16 @@ static void isp1760_endpoint_disable(struct usb_hcd *usb_hcd, qtd_list); if (qtd->status & URB_ENQUEUED) { - spin_unlock_irqrestore(&priv->lock, flags); - isp1760_urb_dequeue(usb_hcd, qtd->urb, -ECONNRESET); + isp1760_urb_dequeue(hcd, qtd->urb, -ECONNRESET); spin_lock_irqsave(&priv->lock, flags); } else { struct urb *urb; urb = qtd->urb; clean_up_qtdlist(qtd, qh); - isp1760_urb_done(priv, urb, -ECONNRESET); + urb->status = -ECONNRESET; + isp1760_urb_done(hcd, urb); } } while (1); @@ -2184,7 +2167,7 @@ static void isp1760_stop(struct usb_hcd *hcd) mdelay(20); spin_lock_irq(&priv->lock); - ehci_reset(priv); + ehci_reset(hcd); /* Disable IRQ */ temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL); reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp &= ~HW_GLOBAL_INTR_EN); diff --git a/drivers/usb/host/isp1760-hcd.h b/drivers/usb/host/isp1760-hcd.h index aadd77bc271..87050769060 100644 --- a/drivers/usb/host/isp1760-hcd.h +++ b/drivers/usb/host/isp1760-hcd.h @@ -107,8 +107,6 @@ struct ptd { #define PAYLOAD_OFFSET 0x1000 struct inter_packet_info { -#define PTD_FIRE_NEXT (1 << 0) -#define PTD_URB_FINISHED (1 << 1) struct isp1760_qh *qh; struct isp1760_qtd *qtd; }; @@ -117,15 +115,6 @@ struct inter_packet_info { typedef void (packet_enqueue)(struct usb_hcd *hcd, struct isp1760_qh *qh, struct isp1760_qtd *qtd); -#define isp1760_dbg(priv, fmt, args...) \ - dev_dbg(priv_to_hcd(priv)->self.controller, fmt, ##args) - -#define isp1760_info(priv, fmt, args...) \ - dev_info(priv_to_hcd(priv)->self.controller, fmt, ##args) - -#define isp1760_err(priv, fmt, args...) \ - dev_err(priv_to_hcd(priv)->self.controller, fmt, ##args) - /* * Device flags that can vary from board to board. All of these * indicate the most "atypical" case, so that a devflags of 0 is |