2020-04-04 00:00:40

by Michał Mirosław

[permalink] [raw]
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 <[email protected]>
---
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 <[email protected]>
- *
- * 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