linux-kernel - [PATCH v6 1/5] usb: xhci: export few functions

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Message-Id: <20200113084005.849071-2-vkoul@kernel.org>
Date:   Mon, 13 Jan 2020 14:10:01 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Christian Lamparter <chunkeey@...glemail.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 1/5] usb: xhci: export few functions

Export the xhci_pci_setup(), xhci_pci_probe() xhci_pci_remove(),
xhci_pci_suspend() and xhci_pci_resume() functions as they would be used
by renesas-xhci driver.

Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/usb/host/xhci-pci.c | 18 +++++++++++-------
 drivers/usb/host/xhci-pci.h | 18 ++++++++++++++++++
 2 files changed, 29 insertions(+), 7 deletions(-)
 create mode 100644 drivers/usb/host/xhci-pci.h

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index a0025d23b257..5115871b50af 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -15,6 +15,7 @@
 
 #include "xhci.h"
 #include "xhci-trace.h"
+#include "xhci-pci.h"
 
 #define SSIC_PORT_NUM		2
 #define SSIC_PORT_CFG2		0x880c
@@ -60,8 +61,6 @@ static const char hcd_name[] = "xhci_hcd";
 
 static struct hc_driver __read_mostly xhci_pci_hc_driver;
 
-static int xhci_pci_setup(struct usb_hcd *hcd);
-
 static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
 	.reset = xhci_pci_setup,
 };
@@ -282,7 +281,7 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
 #endif /* CONFIG_ACPI */
 
 /* called during probe() after chip reset completes */
-static int xhci_pci_setup(struct usb_hcd *hcd)
+int xhci_pci_setup(struct usb_hcd *hcd)
 {
 	struct xhci_hcd		*xhci;
 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
@@ -307,12 +306,13 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	/* Find any debug ports */
 	return xhci_pci_reinit(xhci, pdev);
 }
+EXPORT_SYMBOL_GPL(xhci_pci_setup);
 
 /*
  * We need to register our own PCI probe function (instead of the USB core's
  * function) in order to create a second roothub under xHCI.
  */
-static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	int retval;
 	struct xhci_hcd *xhci;
@@ -378,8 +378,9 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	pm_runtime_put_noidle(&dev->dev);
 	return retval;
 }
+EXPORT_SYMBOL_GPL(xhci_pci_probe);
 
-static void xhci_pci_remove(struct pci_dev *dev)
+void xhci_pci_remove(struct pci_dev *dev)
 {
 	struct xhci_hcd *xhci;
 
@@ -401,6 +402,7 @@ static void xhci_pci_remove(struct pci_dev *dev)
 
 	usb_hcd_pci_remove(dev);
 }
+EXPORT_SYMBOL_GPL(xhci_pci_remove);
 
 #ifdef CONFIG_PM
 /*
@@ -457,7 +459,7 @@ static void xhci_pme_quirk(struct usb_hcd *hcd)
 	readl(reg);
 }
 
-static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
+int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 {
 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
@@ -482,8 +484,9 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(xhci_pci_suspend);
 
-static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
+int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
 {
 	struct xhci_hcd		*xhci = hcd_to_xhci(hcd);
 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
@@ -519,6 +522,7 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
 	retval = xhci_resume(xhci, hibernated);
 	return retval;
 }
+EXPORT_SYMBOL_GPL(xhci_pci_resume);
 #endif /* CONFIG_PM */
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/xhci-pci.h b/drivers/usb/host/xhci-pci.h
new file mode 100644
index 000000000000..587f71dc5e35
--- /dev/null
+++ b/drivers/usb/host/xhci-pci.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2008 Intel Corp. */
+
+#ifndef XHCI_PCI_H
+#define XHCI_PCI_H
+
+int xhci_pci_setup(struct usb_hcd *hcd);
+
+int xhci_pci_probe(struct pci_dev *pdev,
+		   const struct pci_device_id *id);
+
+void xhci_pci_remove(struct pci_dev *dev);
+
+int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup);
+
+int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated);
+
+#endif
-- 
2.24.1