提交 e25e0eb2 编写于 作者: A Arvid Brodin 提交者: Greg Kroah-Hartman

usb/isp1760: Move some code (prepare for next patch)

Move the few lines of code in isp1760_enable_interrupts() and
isp1760_init_maps() into isp1760_run(). This makes the following patch
easier.
Signed-off-by: NArvid Brodin <arvid.brodin@enea.com>
Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 507a3ea7
......@@ -514,23 +514,18 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
return priv_init(hcd);
}
static void isp1760_init_maps(struct usb_hcd *hcd)
static int isp1760_run(struct usb_hcd *hcd)
{
/*set last maps, for iso its only 1, else 32 tds bitmap*/
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);
int retval;
u32 temp;
u32 command;
u32 chipid;
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);
hcd->uses_new_polling = 1;
reg_write32(hcd->regs, HC_BUFFER_STATUS_REG,
ATL_BUF_FILL | INT_BUF_FILL);
}
hcd->state = HC_STATE_RUNNING;
static void isp1760_enable_interrupts(struct usb_hcd *hcd)
{
/* 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);
......@@ -538,19 +533,7 @@ static void isp1760_enable_interrupts(struct usb_hcd *hcd)
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 */
}
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;
isp1760_enable_interrupts(hcd);
temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp | HW_GLOBAL_INTR_EN);
......@@ -581,8 +564,16 @@ static int isp1760_run(struct usb_hcd *hcd)
chipid & 0xffff, chipid >> 16);
/* PTD Register Init Part 2, Step 28 */
/* enable INTs */
isp1760_init_maps(hcd);
/* 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()
......
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