1 files changed, 0 insertions, 94 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch b/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch
deleted file mode 100644
index 04d35437b1..0000000000
--- a/target/linux/bcm53xx/patches-4.1/820-xhci-add-Broadcom-specific-fake-doorbell.patch
+++ /dev/null
@@ -1,94 +0,0 @@
-From 9cc14ca0aae53c16d10ffea49848ac61a5015562 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
-Date: Sun, 21 Jun 2015 11:10:49 +0200
-Subject: [PATCH] xhci: add Broadcom specific fake doorbell
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This fixes problem with controller seeing devices only in some small
-percentage of cold boots.
-
-Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
----
- drivers/usb/host/xhci.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++
- 1 file changed, 62 insertions(+)
-
---- a/drivers/usb/host/xhci.c
-+++ b/drivers/usb/host/xhci.c
-@@ -121,6 +121,64 @@ int xhci_halt(struct xhci_hcd *xhci)
- 	return ret;
- }
- 
-+#ifdef CONFIG_ARCH_BCM_5301X
-+int xhci_fake_doorbell(struct xhci_hcd *xhci, int slot_id)
-+{
-+	unsigned int temp1, ret;
-+
-+	/* alloc a virt device for slot */
-+	if (!xhci_alloc_virt_device(xhci, slot_id, 0, GFP_NOIO)) {
-+		xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
-+		return 1;
-+        }
-+
-+	/* ring fake doorbell for slot_id ep 0 */
-+	xhci_ring_ep_doorbell(xhci, slot_id, 0, 0);
-+	mdelay(1);
-+
-+	/* read the status register to check if HSE is set or not? */
-+	temp1 = readl(&xhci->op_regs->status);
-+	xhci_dbg(xhci, "op reg status = %x\n",temp1);
-+
-+	/* clear HSE if set */
-+	if(temp1 & STS_FATAL) {
-+		xhci_dbg(xhci, "HSE problem detected\n");
-+		temp1 &= ~(0x1fff);
-+		temp1 |= STS_FATAL;
-+		xhci_dbg(xhci, "temp1=%x\n",temp1);
-+		writel(temp1, &xhci->op_regs->status);
-+		mdelay(1);
-+		temp1 = readl(&xhci->op_regs->status);
-+		xhci_dbg(xhci, "After clear op reg status=%x\n", temp1);
-+	}
-+
-+	/* Free virt device */
-+	xhci_free_virt_device(xhci, slot_id);
-+
-+	/* Run the controller if needed */
-+	temp1 = readl(&xhci->op_regs->command);
-+	if (temp1 & CMD_RUN)
-+		return 0;
-+	temp1 |= (CMD_RUN);
-+
-+	writel(temp1, &xhci->op_regs->command);
-+	/*
-+	 * Wait for the HCHalted Status bit to be 0 to indicate the host is running.
-+	 */
-+	ret = xhci_handshake(&xhci->op_regs->status,
-+			     STS_HALT, 0, XHCI_MAX_HALT_USEC);
-+
-+	if (ret == -ETIMEDOUT) {
-+		xhci_err(xhci, "Host took too long to start, "
-+				"waited %u microseconds.\n",
-+				XHCI_MAX_HALT_USEC);
-+		return 1;
-+	}
-+
-+	return 0;
-+}
-+#endif /* CONFIG_ARCH_BCM_5301X */
-+
- /*
-  * Set the run bit and wait for the host to be running.
-  */
-@@ -145,6 +203,10 @@ static int xhci_start(struct xhci_hcd *x
- 		xhci_err(xhci, "Host took too long to start, "
- 				"waited %u microseconds.\n",
- 				XHCI_MAX_HALT_USEC);
-+#ifdef CONFIG_ARCH_BCM_5301X
-+	xhci_fake_doorbell(xhci, 1);
-+#endif /* CONFIG_ARCH_BCM_5301X */
-+
- 	if (!ret)
- 		xhci->xhc_state &= ~XHCI_STATE_HALTED;
- 	return ret;