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Message-Id: <1360910011-2666-3-git-send-email-manjunath.goudar@linaro.org>
Date: Fri, 15 Feb 2013 12:03:31 +0530
From: Manjunath Goudar <manjunath.goudar@...aro.org>
To: linux-usb@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, patches@...aro.org,
stern@...land.harvard.edu, arnd@...aro.org,
gregkh@...uxfoundation.org,
Manjunath Goudar <manjunath.goudar@...aro.org>,
Greg KH <greg@...ah.com>, Eric Miao <eric.y.miao@...il.com>,
Haojian Zhuang <haojian.zhuang@...il.com>,
Russell King <linux@....linux.org.uk>,
linux-kernel@...r.kernel.org
Subject: [PATCH] USB: EHCI: make ehci-mv as separate static driver
Separate the mv host controller driver from ehci-hcd host code
into its own static driver module.
Signed-off-by: Manjunath Goudar <manjunath.goudar@...aro.org>
Cc: Greg KH <greg@...ah.com>
Cc: Alan Stern <stern@...land.harvard.edu>
Cc: Eric Miao <eric.y.miao@...il.com>
Cc: Haojian Zhuang <haojian.zhuang@...il.com>
Cc: Russell King <linux@....linux.org.uk>
Cc: linux-usb@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
drivers/usb/host/Kconfig | 2 +-
drivers/usb/host/Makefile | 1 +
drivers/usb/host/ehci-hcd.c | 6 +---
drivers/usb/host/ehci-mv.c | 78 +++++++++++++++++++------------------------
4 files changed, 38 insertions(+), 49 deletions(-)
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 8ffbafa..2aa4ece 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -221,7 +221,7 @@ config USB_EHCI_S5P
Enable support for the S5P SOC's on-chip EHCI controller.
config USB_EHCI_MV
- bool "EHCI support for Marvell on-chip controller"
+ tristate "EHCI support for Marvell on-chip controller"
depends on USB_EHCI_HCD && (ARCH_PXA || ARCH_MMP)
select USB_EHCI_ROOT_HUB_TT
---help---
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 77e0331..d593017 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_USB_EHCI_HCD_SPEAR)+= ehci-spear.o
obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o
obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o
obj-$(CONFIG_USB_EHCI_S5P) += ehci-s5p.o
+obj-$(CONFIG_USB_EHCI_MV) += ehci-mv.o
obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
obj-$(CONFIG_USB_ISP1362_HCD) += isp1362-hcd.o
obj-$(CONFIG_USB_OHCI_HCD) += ohci-hcd.o
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index fa0e665..9cf4d73 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1317,11 +1317,6 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ehci_grlib_driver
#endif
-#ifdef CONFIG_USB_EHCI_MV
-#include "ehci-mv.c"
-#define PLATFORM_DRIVER ehci_mv_driver
-#endif
-
#ifdef CONFIG_MIPS_SEAD3
#include "ehci-sead3.c"
#define PLATFORM_DRIVER ehci_hcd_sead3_driver
@@ -1335,6 +1330,7 @@ MODULE_LICENSE ("GPL");
!defined(PLATFORM_DRIVER) && \
!IS_ENABLED(CONFIG_ARCH_AT91) && \
!IS_ENABLED(CONFIG_USB_EHCI_S5P) && \
+ !IS_ENABLED(CONFIG_USB_EHCI_MV) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && \
!defined(OF_PLATFORM_DRIVER) && \
!defined(XILINX_OF_PLATFORM_DRIVER)
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index 3065809..0d92437 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -16,8 +16,18 @@
#include <linux/err.h>
#include <linux/usb/otg.h>
#include <linux/platform_data/mv_usb.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+
+#include "ehci.h"
+
+#define DRIVER_DESC "EHCI mv driver"
#define CAPLENGTH_MASK (0xff)
+static const char hcd_name[] = "ehci-mv";
+static struct hc_driver __read_mostly mv_ehci_hc_driver;
struct ehci_hcd_mv {
struct usb_hcd *hcd;
@@ -95,48 +105,6 @@ static int mv_ehci_reset(struct usb_hcd *hcd)
return retval;
}
-static const struct hc_driver mv_ehci_hc_driver = {
- .description = hcd_name,
- .product_desc = "Marvell EHCI",
- .hcd_priv_size = sizeof(struct ehci_hcd),
-
- /*
- * generic hardware linkage
- */
- .irq = ehci_irq,
- .flags = HCD_MEMORY | HCD_USB2,
-
- /*
- * basic lifecycle operations
- */
- .reset = mv_ehci_reset,
- .start = ehci_run,
- .stop = ehci_stop,
- .shutdown = ehci_shutdown,
-
- /*
- * managing i/o requests and associated device resources
- */
- .urb_enqueue = ehci_urb_enqueue,
- .urb_dequeue = ehci_urb_dequeue,
- .endpoint_disable = ehci_endpoint_disable,
- .endpoint_reset = ehci_endpoint_reset,
- .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-
- /*
- * scheduling support
- */
- .get_frame_number = ehci_get_frame,
-
- /*
- * root hub support
- */
- .hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
- .bus_suspend = ehci_bus_suspend,
- .bus_resume = ehci_bus_resume,
-};
-
static int mv_ehci_probe(struct platform_device *pdev)
{
struct mv_usb_platform_data *pdata = pdev->dev.platform_data;
@@ -350,8 +318,32 @@ static struct platform_driver ehci_mv_driver = {
.remove = mv_ehci_remove,
.shutdown = mv_ehci_shutdown,
.driver = {
- .name = "mv-ehci",
+ .name = hcd_name,
.bus = &platform_bus_type,
},
.id_table = ehci_id_table,
};
+static const struct ehci_driver_overrides mv_overrides __initdata = {
+ .reset = mv_ehci_reset,
+};
+
+static int __init ehci_mv_init(void)
+{
+ if (usb_disabled())
+ return -ENODEV;
+
+ pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+ ehci_init_driver(&mv_ehci_hc_driver, &mv_overrides);
+ return platform_driver_register(&ehci_mv_driver);
+}
+module_init(ehci_mv_init);
+
+static void __exit ehci_mv_cleanup(void)
+{
+ platform_driver_unregister(&ehci_mv_driver);
+}
+module_exit(ehci_mv_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_ALIAS("platform:ehci-mv");
+MODULE_LICENSE("GPL");
--
1.7.9.5
--
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