Like the previous patch, this patch has been split from the next one
for clarity.
Signed-off-by: Arvid Brodin <arvid.brodin@xxxxxxxx>
---
drivers/usb/host/isp1760-hcd.c | 136 ++++++++++++++++++++--------------------
1 files changed, 68 insertions(+), 68 deletions(-)
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index 1f80ffd..2ae4d10 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -515,74 +515,6 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
return priv_init(hcd);
}
-static int isp1760_run(struct usb_hcd *hcd)
-{
- int retval;
- u32 temp;
- u32 command;
- u32 chipid;
-
- hcd->uses_new_polling = 1;
-
- hcd->state = HC_STATE_RUNNING;
-
- /* Set PTD interrupt AND & OR maps */
- reg_write32(hcd->regs, HC_ATL_IRQ_MASK_AND_REG, 0);
- reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, 0xffffffff);
- reg_write32(hcd->regs, HC_INT_IRQ_MASK_AND_REG, 0);
- reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, 0xffffffff);
- reg_write32(hcd->regs, HC_ISO_IRQ_MASK_AND_REG, 0);
- reg_write32(hcd->regs, HC_ISO_IRQ_MASK_OR_REG, 0xffffffff);
- /* step 23 passed */
-
- temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
- reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp | HW_GLOBAL_INTR_EN);
-
- command = reg_read32(hcd->regs, HC_USBCMD);
- command &= ~(CMD_LRESET|CMD_RESET);
- command |= CMD_RUN;
- reg_write32(hcd->regs, HC_USBCMD, command);
-
- retval = handshake(hcd, HC_USBCMD, CMD_RUN, CMD_RUN, 250 * 1000);
- if (retval)
- return retval;
-
- /*
- * XXX
- * Spec says to write FLAG_CF as last config action, priv code grabs
- * the semaphore while doing so.
- */
- down_write(&ehci_cf_port_reset_rwsem);
- reg_write32(hcd->regs, HC_CONFIGFLAG, FLAG_CF);
-
- retval = handshake(hcd, HC_CONFIGFLAG, FLAG_CF, FLAG_CF, 250 * 1000);
- up_write(&ehci_cf_port_reset_rwsem);
- if (retval)
- return retval;
-
- chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
- dev_info(hcd->self.controller, "USB ISP %04x HW rev. %d started\n",
- chipid & 0xffff, chipid >> 16);
-
- /* PTD Register Init Part 2, Step 28 */
-
- /* Setup registers controlling PTD checking */
- reg_write32(hcd->regs, HC_ATL_PTD_LASTPTD_REG, 0x80000000);
- reg_write32(hcd->regs, HC_INT_PTD_LASTPTD_REG, 0x80000000);
- reg_write32(hcd->regs, HC_ISO_PTD_LASTPTD_REG, 0x00000001);
- reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, 0xffffffff);
- reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, 0xffffffff);
- reg_write32(hcd->regs, HC_ISO_PTD_SKIPMAP_REG, 0xffffffff);
- reg_write32(hcd->regs, HC_BUFFER_STATUS_REG,
- ATL_BUF_FILL | INT_BUF_FILL);
-
- /* GRR this is run-once init(), being done every time the HC starts.
- * So long as they're part of class devices, we can't do it init()
- * since the class device isn't created that early.
- */
- return 0;
-}
-
static u32 base_to_chip(u32 base)
{
return ((base - 0x400) >> 3);
@@ -1340,6 +1272,74 @@ leave:
return irqret;
}
+static int isp1760_run(struct usb_hcd *hcd)
+{
+ int retval;
+ u32 temp;
+ u32 command;
+ u32 chipid;
+
+ hcd->uses_new_polling = 1;
+
+ hcd->state = HC_STATE_RUNNING;
+
+ /* Set PTD interrupt AND & OR maps */
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, 0xffffffff);
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, 0xffffffff);
+ reg_write32(hcd->regs, HC_ISO_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_ISO_IRQ_MASK_OR_REG, 0xffffffff);
+ /* step 23 passed */
+
+ temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp | HW_GLOBAL_INTR_EN);
+
+ command = reg_read32(hcd->regs, HC_USBCMD);
+ command &= ~(CMD_LRESET|CMD_RESET);
+ command |= CMD_RUN;
+ reg_write32(hcd->regs, HC_USBCMD, command);
+
+ retval = handshake(hcd, HC_USBCMD, CMD_RUN, CMD_RUN, 250 * 1000);
+ if (retval)
+ return retval;
+
+ /*
+ * XXX
+ * Spec says to write FLAG_CF as last config action, priv code grabs
+ * the semaphore while doing so.
+ */
+ down_write(&ehci_cf_port_reset_rwsem);
+ reg_write32(hcd->regs, HC_CONFIGFLAG, FLAG_CF);
+
+ retval = handshake(hcd, HC_CONFIGFLAG, FLAG_CF, FLAG_CF, 250 * 1000);
+ up_write(&ehci_cf_port_reset_rwsem);
+ if (retval)
+ return retval;
+
+ chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
+ dev_info(hcd->self.controller, "USB ISP %04x HW rev. %d started\n",
+ chipid & 0xffff, chipid >> 16);
+
+ /* PTD Register Init Part 2, Step 28 */
+
+ /* Setup registers controlling PTD checking */
+ reg_write32(hcd->regs, HC_ATL_PTD_LASTPTD_REG, 0x80000000);
+ reg_write32(hcd->regs, HC_INT_PTD_LASTPTD_REG, 0x80000000);
+ reg_write32(hcd->regs, HC_ISO_PTD_LASTPTD_REG, 0x00000001);
+ reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, 0xffffffff);
+ reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, 0xffffffff);
+ reg_write32(hcd->regs, HC_ISO_PTD_SKIPMAP_REG, 0xffffffff);
+ reg_write32(hcd->regs, HC_BUFFER_STATUS_REG,
+ ATL_BUF_FILL | INT_BUF_FILL);
+
+ /* GRR this is run-once init(), being done every time the HC starts.
+ * So long as they're part of class devices, we can't do it init()
+ * since the class device isn't created that early.
+ */
+ return 0;
+}
+
static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len)
{
qtd->data_buffer = databuffer;
--
1.6.3.3
--
Arvid Brodin
Enea Services Stockholm AB
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