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Date: Tue, 15 Dec 2020 23:21:09 +0300
From: Dmitry Osipenko <digetx@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Peter Chen <Peter.Chen@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alan Stern <stern@...land.harvard.edu>,
Felipe Balbi <balbi@...nel.org>,
Matt Merhar <mattmerhar@...tonmail.com>,
Nicolas Chauvet <kwizart@...il.com>,
Peter Geis <pgwipeout@...il.com>
Cc: linux-tegra@...r.kernel.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 4/8] usb: chipidea: tegra: Rename UDC to USB
Rename all occurrences in the code from "udc" to "usb" and change the
Kconfig entry in order to show that this driver supports USB modes other
than device-only mode. The follow up patch will add host-mode support and
it will be cleaner to perform the renaming separately, i.e. in this patch.
Tested-by: Matt Merhar <mattmerhar@...tonmail.com>
Tested-by: Nicolas Chauvet <kwizart@...il.com>
Tested-by: Peter Geis <pgwipeout@...il.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
drivers/usb/chipidea/Kconfig | 2 +-
drivers/usb/chipidea/ci_hdrc_tegra.c | 78 ++++++++++++++--------------
2 files changed, 40 insertions(+), 40 deletions(-)
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index 8bafcfc6080d..8685ead6ccc7 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -53,7 +53,7 @@ config USB_CHIPIDEA_GENERIC
default USB_CHIPIDEA
config USB_CHIPIDEA_TEGRA
- tristate "Enable Tegra UDC glue driver" if EMBEDDED
+ tristate "Enable Tegra USB glue driver" if EMBEDDED
depends on OF
depends on USB_CHIPIDEA_UDC
default USB_CHIPIDEA
diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
index 10eaaba2a3f0..d8efa80aa1c2 100644
--- a/drivers/usb/chipidea/ci_hdrc_tegra.c
+++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
@@ -12,7 +12,7 @@
#include "ci.h"
-struct tegra_udc {
+struct tegra_usb {
struct ci_hdrc_platform_data data;
struct platform_device *dev;
@@ -20,15 +20,15 @@ struct tegra_udc {
struct clk *clk;
};
-struct tegra_udc_soc_info {
+struct tegra_usb_soc_info {
unsigned long flags;
};
-static const struct tegra_udc_soc_info tegra_udc_soc_info = {
+static const struct tegra_usb_soc_info tegra_udc_soc_info = {
.flags = CI_HDRC_REQUIRES_ALIGNED_DMA,
};
-static const struct of_device_id tegra_udc_of_match[] = {
+static const struct of_device_id tegra_usb_of_match[] = {
{
.compatible = "nvidia,tegra20-udc",
.data = &tegra_udc_soc_info,
@@ -45,16 +45,16 @@ static const struct of_device_id tegra_udc_of_match[] = {
/* sentinel */
}
};
-MODULE_DEVICE_TABLE(of, tegra_udc_of_match);
+MODULE_DEVICE_TABLE(of, tegra_usb_of_match);
-static int tegra_udc_probe(struct platform_device *pdev)
+static int tegra_usb_probe(struct platform_device *pdev)
{
- const struct tegra_udc_soc_info *soc;
- struct tegra_udc *udc;
+ const struct tegra_usb_soc_info *soc;
+ struct tegra_usb *usb;
int err;
- udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL);
- if (!udc)
+ usb = devm_kzalloc(&pdev->dev, sizeof(*usb), GFP_KERNEL);
+ if (!usb)
return -ENOMEM;
soc = of_device_get_match_data(&pdev->dev);
@@ -63,69 +63,69 @@ static int tegra_udc_probe(struct platform_device *pdev)
return -EINVAL;
}
- udc->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "nvidia,phy", 0);
- if (IS_ERR(udc->phy)) {
- err = PTR_ERR(udc->phy);
+ usb->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "nvidia,phy", 0);
+ if (IS_ERR(usb->phy)) {
+ err = PTR_ERR(usb->phy);
dev_err(&pdev->dev, "failed to get PHY: %d\n", err);
return err;
}
- udc->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(udc->clk)) {
- err = PTR_ERR(udc->clk);
+ usb->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(usb->clk)) {
+ err = PTR_ERR(usb->clk);
dev_err(&pdev->dev, "failed to get clock: %d\n", err);
return err;
}
- err = clk_prepare_enable(udc->clk);
+ err = clk_prepare_enable(usb->clk);
if (err < 0) {
dev_err(&pdev->dev, "failed to enable clock: %d\n", err);
return err;
}
/* setup and register ChipIdea HDRC device */
- udc->data.name = "tegra-udc";
- udc->data.flags = soc->flags;
- udc->data.usb_phy = udc->phy;
- udc->data.capoffset = DEF_CAPOFFSET;
-
- udc->dev = ci_hdrc_add_device(&pdev->dev, pdev->resource,
- pdev->num_resources, &udc->data);
- if (IS_ERR(udc->dev)) {
- err = PTR_ERR(udc->dev);
+ usb->data.name = "tegra-usb";
+ usb->data.flags = soc->flags;
+ usb->data.usb_phy = usb->phy;
+ usb->data.capoffset = DEF_CAPOFFSET;
+
+ usb->dev = ci_hdrc_add_device(&pdev->dev, pdev->resource,
+ pdev->num_resources, &usb->data);
+ if (IS_ERR(usb->dev)) {
+ err = PTR_ERR(usb->dev);
dev_err(&pdev->dev, "failed to add HDRC device: %d\n", err);
goto fail_power_off;
}
- platform_set_drvdata(pdev, udc);
+ platform_set_drvdata(pdev, usb);
return 0;
fail_power_off:
- clk_disable_unprepare(udc->clk);
+ clk_disable_unprepare(usb->clk);
return err;
}
-static int tegra_udc_remove(struct platform_device *pdev)
+static int tegra_usb_remove(struct platform_device *pdev)
{
- struct tegra_udc *udc = platform_get_drvdata(pdev);
+ struct tegra_usb *usb = platform_get_drvdata(pdev);
- ci_hdrc_remove_device(udc->dev);
- clk_disable_unprepare(udc->clk);
+ ci_hdrc_remove_device(usb->dev);
+ clk_disable_unprepare(usb->clk);
return 0;
}
-static struct platform_driver tegra_udc_driver = {
+static struct platform_driver tegra_usb_driver = {
.driver = {
- .name = "tegra-udc",
- .of_match_table = tegra_udc_of_match,
+ .name = "tegra-usb",
+ .of_match_table = tegra_usb_of_match,
},
- .probe = tegra_udc_probe,
- .remove = tegra_udc_remove,
+ .probe = tegra_usb_probe,
+ .remove = tegra_usb_remove,
};
-module_platform_driver(tegra_udc_driver);
+module_platform_driver(tegra_usb_driver);
-MODULE_DESCRIPTION("NVIDIA Tegra USB device mode driver");
+MODULE_DESCRIPTION("NVIDIA Tegra USB driver");
MODULE_AUTHOR("Thierry Reding <treding@...dia.com>");
MODULE_LICENSE("GPL v2");
--
2.29.2
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