linux-kernel - [PATCH 4/5] usb: chipidea: usb2: absorb zevio glue driver

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Date:   Sat, 04 Apr 2020 02:00:06 +0200
From:   Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <Peter.Chen@....com>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: [PATCH 4/5] usb: chipidea: usb2: absorb zevio glue driver

ZEVIO glue code is is identical to generic binding now, but doesn't
enable runtime PM. Let's squash the driver and get runtime PM for free.

Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
 drivers/usb/chipidea/Makefile        |  1 -
 drivers/usb/chipidea/ci_hdrc_usb2.c  |  6 +++
 drivers/usb/chipidea/ci_hdrc_zevio.c | 67 ----------------------------
 3 files changed, 6 insertions(+), 68 deletions(-)

diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile
index 12df94f78f72..985663ba6e68 100644
--- a/drivers/usb/chipidea/Makefile
+++ b/drivers/usb/chipidea/Makefile
@@ -10,7 +10,6 @@ ci_hdrc-$(CONFIG_USB_OTG_FSM)		+= otg_fsm.o
 
 obj-$(CONFIG_USB_CHIPIDEA)	+= ci_hdrc_usb2.o
 obj-$(CONFIG_USB_CHIPIDEA)	+= ci_hdrc_msm.o
-obj-$(CONFIG_USB_CHIPIDEA)	+= ci_hdrc_zevio.o
 
 obj-$(CONFIG_USB_CHIPIDEA_PCI)	+= ci_hdrc_pci.o
 
diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index 9086514840ed..93c864759135 100644
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -32,9 +32,15 @@ static const struct ci_hdrc_platform_data ci_zynq_pdata = {
 	.capoffset	= DEF_CAPOFFSET,
 };
 
+static const struct ci_hdrc_platform_data ci_zevio_pdata = {
+	.capoffset	= DEF_CAPOFFSET,
+	.flags		= CI_HDRC_REGS_SHARED | CI_HDRC_FORCE_FULLSPEED,
+};
+
 static const struct of_device_id ci_hdrc_usb2_of_match[] = {
 	{ .compatible = "chipidea,usb2" },
 	{ .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata },
+	{ .compatible = "lsi,zevio-usb", .data = &ci_zevio_pdata },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match);
diff --git a/drivers/usb/chipidea/ci_hdrc_zevio.c b/drivers/usb/chipidea/ci_hdrc_zevio.c
deleted file mode 100644
index e1634da4a4b1..000000000000
--- a/drivers/usb/chipidea/ci_hdrc_zevio.c
+++ /dev/null
@@ -1,67 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *	Copyright (C) 2013 Daniel Tang <tangrs@...grs.id.au>
- *
- * Based off drivers/usb/chipidea/ci_hdrc_msm.c
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb/chipidea.h>
-
-#include "ci.h"
-
-static struct ci_hdrc_platform_data ci_hdrc_zevio_platdata = {
-	.name			= "ci_hdrc_zevio",
-	.flags			= CI_HDRC_REGS_SHARED | CI_HDRC_FORCE_FULLSPEED,
-	.capoffset		= DEF_CAPOFFSET,
-};
-
-static int ci_hdrc_zevio_probe(struct platform_device *pdev)
-{
-	struct platform_device *ci_pdev;
-
-	dev_dbg(&pdev->dev, "ci_hdrc_zevio_probe\n");
-
-	ci_pdev = ci_hdrc_add_device(&pdev->dev,
-				pdev->resource, pdev->num_resources,
-				&ci_hdrc_zevio_platdata);
-
-	if (IS_ERR(ci_pdev)) {
-		dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
-		return PTR_ERR(ci_pdev);
-	}
-
-	platform_set_drvdata(pdev, ci_pdev);
-
-	return 0;
-}
-
-static int ci_hdrc_zevio_remove(struct platform_device *pdev)
-{
-	struct platform_device *ci_pdev = platform_get_drvdata(pdev);
-
-	ci_hdrc_remove_device(ci_pdev);
-
-	return 0;
-}
-
-static const struct of_device_id ci_hdrc_zevio_dt_ids[] = {
-	{ .compatible = "lsi,zevio-usb", },
-	{ /* sentinel */ }
-};
-
-static struct platform_driver ci_hdrc_zevio_driver = {
-	.probe = ci_hdrc_zevio_probe,
-	.remove = ci_hdrc_zevio_remove,
-	.driver = {
-		.name = "zevio_usb",
-		.of_match_table = ci_hdrc_zevio_dt_ids,
-	},
-};
-
-MODULE_DEVICE_TABLE(of, ci_hdrc_zevio_dt_ids);
-module_platform_driver(ci_hdrc_zevio_driver);
-
-MODULE_LICENSE("GPL v2");
-- 
2.20.1