Merge branch 'ti-linux-4.19.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel into processor-sdk-linux-4.19.y

TI-Feature: ti_linux_base-4.19
TI-Tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
TI-Branch: ti-linux-4.19.y

* 'ti-linux-4.19.y' of git://git.ti.com/ti-linux-kernel/ti-linux-kernel:
  usb: dwc3: don't set gadget->is_otg flag
  ARM: dts: dra74x: Fix iodelay configuration for mmc3
  usb: dwc3: gadget: remove DWC3_EP_END_TRANSFER_PENDING
  usb: dwc3: gadget: early giveback if End Transfer already completed
  usb: dwc3: gadget: don't use resource_index as a flag
  usb: dwc3: gadget: clear DWC3_EP_TRANSFER_STARTED on cmd complete
  misc: pci_endpoint_test: Use full pci-endpoint-test name in request irq
  misc: pci_endpoint_test: Fix to support > 10 pci-endpoint-test devices
  tools: PCI: Add 'e' to clear IRQ
  misc: pci_endpoint_test: Add ioctl to clear IRQ
  misc: pci_endpoint_test: Do not request or allocate IRQs in probe
  usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending driver fails

Signed-off-by: Jacob Stiffler <j-stiffler@ti.com>

arch/arm/boot/dts/dra74x-mmc-iodelay.dtsi

@@ -32,7 +32,7 @@
  *
  * Datamanual Revisions:
  *
- * AM572x Silicon Revision 2.0: SPRS953B, Revised November 2016
+ * AM572x Silicon Revision 2.0: SPRS953F, Revised May 2019
  * AM572x Silicon Revision 1.1: SPRS915R, Revised November 2016
  *
  */
@@ -229,45 +229,45 @@
 
 	mmc3_pins_default: mmc3_pins_default {
 		pinctrl-single,pins = <
-			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
-			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
-			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
-			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
-			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
-			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
+			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
+			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
+			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
+			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
+			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
+			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
 		>;
 	};
 
 	mmc3_pins_hs: mmc3_pins_hs {
 		pinctrl-single,pins = <
-			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
-			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
-			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
-			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
-			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
-			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
+			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
+			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
+			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
+			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
+			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
+			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
 		>;
 	};
 
 	mmc3_pins_sdr12: mmc3_pins_sdr12 {
 		pinctrl-single,pins = <
-			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
-			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
-			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
-			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
-			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
-			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
+			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
+			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
+			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
+			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
+			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
+			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
 		>;
 	};
 
 	mmc3_pins_sdr25: mmc3_pins_sdr25 {
 		pinctrl-single,pins = <
-			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
-			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
-			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
-			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
-			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
-			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
+			DRA7XX_CORE_IOPAD(0x377c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_clk.mmc3_clk */
+			DRA7XX_CORE_IOPAD(0x3780, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_cmd.mmc3_cmd */
+			DRA7XX_CORE_IOPAD(0x3784, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat0.mmc3_dat0 */
+			DRA7XX_CORE_IOPAD(0x3788, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat1.mmc3_dat1 */
+			DRA7XX_CORE_IOPAD(0x378c, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat2.mmc3_dat2 */
+			DRA7XX_CORE_IOPAD(0x3790, (PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE0)) /* mmc3_dat3.mmc3_dat3 */
 		>;
 	};
 

drivers/misc/pci_endpoint_test.c

@@ -82,6 +82,9 @@
 #define is_am654_pci_dev(pdev)		\
 		((pdev)->device == PCI_DEVICE_ID_TI_AM654)
 
+#define is_j721e_pci_dev(pdev)		\
+		((pdev)->device == PCI_DEVICE_ID_TI_J721E)
+
 #define K2G_IB_START_L0(n)		(0x304 + (0x10 * (n)))
 #define K2G_IB_START_HI(n)		(0x308 + (0x10 * (n)))
 
@@ -122,6 +125,7 @@ struct pci_endpoint_test {
 	struct miscdevice miscdev;
 	enum pci_barno test_reg_bar;
 	size_t alignment;
+	const char *name;
 };
 
 struct pci_endpoint_test_data {
@@ -240,7 +244,7 @@ static bool pci_endpoint_test_request_irq(struct pci_endpoint_test *test)
 	for (i = 0; i < test->num_irqs; i++) {
 		err = devm_request_irq(dev, pci_irq_vector(pdev, i),
 				       pci_endpoint_test_irqhandler,
-				       IRQF_SHARED, DRV_MODULE_NAME, test);
+				       IRQF_SHARED, test->name, test);
 		if (err)
 			goto fail;
 	}
@@ -611,6 +615,13 @@ err:
 	return ret;
 }
 
+static bool pci_endpoint_test_clear_irq(struct pci_endpoint_test *test)
+{
+	pci_endpoint_test_release_irq(test);
+	pci_endpoint_test_free_irq_vectors(test);
+	return true;
+}
+
 static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,
 				      int req_irq_type)
 {
@@ -682,6 +693,9 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
 	case PCITEST_GET_IRQTYPE:
 		ret = irq_type;
 		break;
+	case PCITEST_CLEAR_IRQ:
+		ret = pci_endpoint_test_clear_irq(test);
+		break;
 	}
 
 ret:
@@ -721,7 +735,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 {
 	int err;
 	int id;
-	char name[20];
+	char name[24];
 	enum pci_barno bar;
 	void __iomem *base;
 	struct device *dev = &pdev->dev;
@@ -776,11 +790,13 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 	pci_set_master(pdev);
 	pci_intx(pdev, true);
 
-	if (!pci_endpoint_test_alloc_irq_vectors(test, irq_type))
-		goto err_disable_irq;
+	if (!(is_am654_pci_dev(pdev) || is_j721e_pci_dev(pdev))) {
+		if (!pci_endpoint_test_alloc_irq_vectors(test, irq_type))
+			goto err_disable_irq;
 
-	if (!pci_endpoint_test_request_irq(test))
-		goto err_disable_irq;
+		if (!pci_endpoint_test_request_irq(test))
+			goto err_disable_irq;
+	}
 
 	for (bar = BAR_0; bar <= BAR_5; bar++) {
 		if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
@@ -831,6 +847,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 		dev_err(dev, "Failed to register device\n");
 		goto err_kfree_name;
 	}
+	test->name = kstrdup(name, GFP_KERNEL);
 
 	return 0;
 
@@ -871,6 +888,7 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev)
 
 	misc_deregister(&test->miscdev);
 	kfree(misc_device->name);
+	kfree(test->name);
 	ida_simple_remove(&pci_endpoint_test_ida, id);
 	for (bar = BAR_0; bar <= BAR_5; bar++) {
 		if (test->bar[bar])

drivers/usb/dwc3/core.h

@@ -677,7 +677,6 @@ struct dwc3_ep {
 #define DWC3_EP_WEDGE		BIT(2)
 #define DWC3_EP_TRANSFER_STARTED BIT(3)
 #define DWC3_EP_PENDING_REQUEST	BIT(5)
-#define DWC3_EP_END_TRANSFER_PENDING	BIT(7)
 
 	/* This last one is specific to EP0 */
 #define DWC3_EP0_DIR_IN		BIT(31)

drivers/usb/dwc3/gadget.c

@@ -375,19 +375,9 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
 
 	trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status);
 
-	if (ret == 0) {
-		switch (DWC3_DEPCMD_CMD(cmd)) {
-		case DWC3_DEPCMD_STARTTRANSFER:
-			dep->flags |= DWC3_EP_TRANSFER_STARTED;
-			dwc3_gadget_ep_get_transfer_index(dep);
-			break;
-		case DWC3_DEPCMD_ENDTRANSFER:
-			dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
-			break;
-		default:
-			/* nothing */
-			break;
-		}
+	if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
+		dep->flags |= DWC3_EP_TRANSFER_STARTED;
+		dwc3_gadget_ep_get_transfer_index(dep);
 	}
 
 	if (unlikely(susphy)) {
@@ -633,7 +623,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
 
 		dep->type = usb_endpoint_type(desc);
 		dep->flags |= DWC3_EP_ENABLED;
-		dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
 
 		reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
 		reg |= DWC3_DALEPENA_EP(dep->number);
@@ -739,7 +728,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
 
 	dep->stream_capable = false;
 	dep->type = 0;
-	dep->flags &= DWC3_EP_END_TRANSFER_PENDING;
+	dep->flags = 0;
 
 	/* Clear out the ep descriptors for non-ep0 */
 	if (dep->number > 1) {
@@ -1410,7 +1399,10 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
 				goto out0;
 
 			dwc3_gadget_move_cancelled_request(req);
-			goto out0;
+			if (dep->flags & DWC3_EP_TRANSFER_STARTED)
+				goto out0;
+			else
+				goto out1;
 		}
 		dev_err(dwc->dev, "request %pK was not queued to %s\n",
 				request, ep->name);
@@ -1418,6 +1410,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
 		goto out0;
 	}
 
+out1:
 	dwc3_gadget_giveback(dep, req, -ECONNRESET);
 
 out0:
@@ -2389,7 +2382,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
 	dep = dwc->eps[epnum];
 
 	if (!(dep->flags & DWC3_EP_ENABLED)) {
-		if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
+		if (!(dep->flags & DWC3_EP_TRANSFER_STARTED))
 			return;
 
 		/* Handle only EPCMDCMPLT when EP disabled */
@@ -2413,7 +2406,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
 		cmd = DEPEVT_PARAMETER_CMD(event->parameters);
 
 		if (cmd == DWC3_DEPCMD_ENDTRANSFER) {
-			dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
+			dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
 			dwc3_gadget_ep_cleanup_cancelled_requests(dep);
 		}
 		break;
@@ -2470,8 +2463,7 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
 	u32 cmd;
 	int ret;
 
-	if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) ||
-	    !dep->resource_index)
+	if (!(dep->flags & DWC3_EP_TRANSFER_STARTED))
 		return;
 
 	/*
@@ -2514,10 +2506,8 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
 	WARN_ON_ONCE(ret);
 	dep->resource_index = 0;
 
-	if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A) {
-		dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
+	if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A)
 		udelay(100);
-	}
 }
 
 static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
@@ -3141,7 +3131,6 @@ int dwc3_gadget_init(struct dwc3 *dwc)
 	dwc->gadget.speed		= USB_SPEED_UNKNOWN;
 	dwc->gadget.sg_supported	= true;
 	dwc->gadget.name		= "dwc3-gadget";
-	dwc->gadget.is_otg		= dwc->dr_mode == USB_DR_MODE_OTG;
 
 	/*
 	 * FIXME We might be setting max_speed to <SUPER, however versions

drivers/usb/dwc3/trace.h

@@ -306,7 +306,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ep,
 		__entry->trb_enqueue = dep->trb_enqueue;
 		__entry->trb_dequeue = dep->trb_dequeue;
 	),
-	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c:%c",
+	TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
 		__get_str(name), __entry->maxpacket,
 		__entry->maxpacket_limit, __entry->max_streams,
 		__entry->maxburst, __entry->trb_enqueue,
@@ -316,7 +316,6 @@ DECLARE_EVENT_CLASS(dwc3_log_ep,
 		__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
 		__entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
 		__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
-		__entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
 		__entry->direction ? '<' : '>'
 	)
 );

drivers/usb/gadget/udc/core.c

@@ -1138,7 +1138,7 @@ static int check_pending_gadget_drivers(struct usb_udc *udc)
 						dev_name(&udc->dev)) == 0) {
 			ret = udc_bind_to_driver(udc, driver);
 			if (ret != -EPROBE_DEFER)
-				list_del(&driver->pending);
+				list_del_init(&driver->pending);
 			break;
 		}
 

include/uapi/linux/pcitest.h

@@ -19,5 +19,6 @@
 #define PCITEST_MSIX		_IOW('P', 0x7, int)
 #define PCITEST_SET_IRQTYPE	_IOW('P', 0x8, int)
 #define PCITEST_GET_IRQTYPE	_IO('P', 0x9)
+#define PCITEST_CLEAR_IRQ	_IO('P', 0x10)
 
 #endif /* __UAPI_LINUX_PCITEST_H */

tools/pci/pcitest.c

@@ -42,6 +42,7 @@ struct pci_test {
 	int		irqtype;
 	bool		set_irqtype;
 	bool		get_irqtype;
+	bool		clear_irq;
 	bool		read;
 	bool		write;
 	bool		copy;
@@ -88,6 +89,15 @@ static int run_test(struct pci_test *test)
 			fprintf(stdout, "%s\n", irq[ret]);
 	}
 
+	if (test->clear_irq) {
+		ret = ioctl(fd, PCITEST_CLEAR_IRQ);
+		fprintf(stdout, "CLEAR IRQ:\t\t");
+		if (ret < 0)
+			fprintf(stdout, "FAILED\n");
+		else
+			fprintf(stdout, "%s\n", result[ret]);
+	}
+
 	if (test->legacyirq) {
 		ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
 		fprintf(stdout, "LEGACY IRQ:\t");
@@ -165,7 +175,7 @@ int main(int argc, char **argv)
 	/* set default endpoint device */
 	test->device = "/dev/pci-endpoint-test.0";
 
-	while ((c = getopt(argc, argv, "D:b:m:x:i:Ilhrwcs:")) != EOF)
+	while ((c = getopt(argc, argv, "D:b:m:x:i:eIlhrwcs:")) != EOF)
 	switch (c) {
 	case 'D':
 		test->device = optarg;
@@ -206,6 +216,9 @@ int main(int argc, char **argv)
 	case 'c':
 		test->copy = true;
 		continue;
+	case 'e':
+		test->clear_irq = true;
+		continue;
 	case 's':
 		test->size = strtoul(optarg, NULL, 0);
 		continue;
@@ -220,6 +233,7 @@ usage:
 			"\t-m <msi num>		MSI test (msi number between 1..32)\n"
 			"\t-x <msix num>	\tMSI-X test (msix number between 1..2048)\n"
 			"\t-i <irq type>	\tSet IRQ type (0 - Legacy, 1 - MSI, 2 - MSI-X)\n"
+			"\t-e			Clear IRQ\n"
 			"\t-I			Get current IRQ type configured\n"
 			"\t-l			Legacy IRQ test\n"
 			"\t-r			Read buffer test\n"