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usb: dwc3-am62: Rename private data

Browse source 
Rename dwc3_data to dwc3_am62 to make it consistent with other
glue drivers, it's clearer that this is am62's specific.
While there, do the same for data variable.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Link: https://lore.kernel.org/r/ZLKoHhJvT+Y6aM+C@lenoch
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ladislav Michl 2023-07-15 16:07:26 +02:00 committed by Greg Kroah-Hartman
parent 87ed257acb
commit 3609699c32
1 changed files with 47 additions and 47 deletions
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94
drivers/usb/dwc3/dwc3-am62.c
View file

@ -102,7 +102,7 @@
#define DWC3_AM62_AUTOSUSPEND_DELAY 100
struct dwc3_data {
struct dwc3_am62 {
struct device *dev;
void __iomem *usbss;
struct clk *usb2_refclk;
@ -129,19 +129,19 @@ static const int dwc3_ti_rate_table[] = { /* in KHZ */
52000,
};
static inline u32 dwc3_ti_readl(struct dwc3_data *data, u32 offset)
static inline u32 dwc3_ti_readl(struct dwc3_am62 *am62, u32 offset)
{
return readl((data->usbss) + offset);
return readl((am62->usbss) + offset);
}
static inline void dwc3_ti_writel(struct dwc3_data *data, u32 offset, u32 value)
static inline void dwc3_ti_writel(struct dwc3_am62 *am62, u32 offset, u32 value)
{
writel(value, (data->usbss) + offset);
writel(value, (am62->usbss) + offset);
}
static int phy_syscon_pll_refclk(struct dwc3_data *data)
static int phy_syscon_pll_refclk(struct dwc3_am62 *am62)
{
struct device *dev = data->dev;
struct device *dev = am62->dev;
struct device_node *node = dev->of_node;
struct of_phandle_args args;
struct regmap *syscon;
@ -153,16 +153,16 @@ static int phy_syscon_pll_refclk(struct dwc3_data *data)
return PTR_ERR(syscon);
}
data->syscon = syscon;
am62->syscon = syscon;
ret = of_parse_phandle_with_fixed_args(node, "ti,syscon-phy-pll-refclk", 1,
0, &args);
if (ret)
return ret;
data->offset = args.args[0];
am62->offset = args.args[0];
ret = regmap_update_bits(data->syscon, data->offset, PHY_PLL_REFCLK_MASK, data->rate_code);
ret = regmap_update_bits(am62->syscon, am62->offset, PHY_PLL_REFCLK_MASK, am62->rate_code);
if (ret) {
dev_err(dev, "failed to set phy pll reference clock rate\n");
return ret;
@ -175,32 +175,32 @@ static int dwc3_ti_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *node = pdev->dev.of_node;
struct dwc3_data *data;
struct dwc3_am62 *am62;
int i, ret;
unsigned long rate;
u32 reg;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
am62 = devm_kzalloc(dev, sizeof(*am62), GFP_KERNEL);
if (!am62)
return -ENOMEM;
data->dev = dev;
platform_set_drvdata(pdev, data);
am62->dev = dev;
platform_set_drvdata(pdev, am62);
data->usbss = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->usbss)) {
am62->usbss = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(am62->usbss)) {
dev_err(dev, "can't map IOMEM resource\n");
return PTR_ERR(data->usbss);
return PTR_ERR(am62->usbss);
}
data->usb2_refclk = devm_clk_get(dev, "ref");
if (IS_ERR(data->usb2_refclk)) {
am62->usb2_refclk = devm_clk_get(dev, "ref");
if (IS_ERR(am62->usb2_refclk)) {
dev_err(dev, "can't get usb2_refclk\n");
return PTR_ERR(data->usb2_refclk);
return PTR_ERR(am62->usb2_refclk);
}
/* Calculate the rate code */
rate = clk_get_rate(data->usb2_refclk);
rate = clk_get_rate(am62->usb2_refclk);
rate /= 1000; // To KHz
for (i = 0; i < ARRAY_SIZE(dwc3_ti_rate_table); i++) {
if (dwc3_ti_rate_table[i] == rate)
@ -212,20 +212,20 @@ static int dwc3_ti_probe(struct platform_device *pdev)
return -EINVAL;
}
data->rate_code = i;
am62->rate_code = i;
/* Read the syscon property and set the rate code */
ret = phy_syscon_pll_refclk(data);
ret = phy_syscon_pll_refclk(am62);
if (ret)
return ret;
/* VBUS divider select */
data->vbus_divider = device_property_read_bool(dev, "ti,vbus-divider");
reg = dwc3_ti_readl(data, USBSS_PHY_CONFIG);
if (data->vbus_divider)
am62->vbus_divider = device_property_read_bool(dev, "ti,vbus-divider");
reg = dwc3_ti_readl(am62, USBSS_PHY_CONFIG);
if (am62->vbus_divider)
reg |= 1 << USBSS_PHY_VBUS_SEL_SHIFT;
dwc3_ti_writel(data, USBSS_PHY_CONFIG, reg);
dwc3_ti_writel(am62, USBSS_PHY_CONFIG, reg);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
@ -233,7 +233,7 @@ static int dwc3_ti_probe(struct platform_device *pdev)
* Don't ignore its dependencies with its children
*/
pm_suspend_ignore_children(dev, false);
clk_prepare_enable(data->usb2_refclk);
clk_prepare_enable(am62->usb2_refclk);
pm_runtime_get_noresume(dev);
ret = of_platform_populate(node, NULL, NULL, dev);
@ -243,9 +243,9 @@ static int dwc3_ti_probe(struct platform_device *pdev)
}
/* Set mode valid bit to indicate role is valid */
reg = dwc3_ti_readl(data, USBSS_MODE_CONTROL);
reg = dwc3_ti_readl(am62, USBSS_MODE_CONTROL);
reg |= USBSS_MODE_VALID;
dwc3_ti_writel(data, USBSS_MODE_CONTROL, reg);
dwc3_ti_writel(am62, USBSS_MODE_CONTROL, reg);
/* Device has capability to wakeup system from sleep */
device_set_wakeup_capable(dev, true);
@ -261,7 +261,7 @@ static int dwc3_ti_probe(struct platform_device *pdev)
return 0;
err_pm_disable:
clk_disable_unprepare(data->usb2_refclk);
clk_disable_unprepare(am62->usb2_refclk);
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
return ret;
@ -278,18 +278,18 @@ static int dwc3_ti_remove_core(struct device *dev, void *c)
static void dwc3_ti_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct dwc3_data *data = platform_get_drvdata(pdev);
struct dwc3_am62 *am62 = platform_get_drvdata(pdev);
u32 reg;
device_for_each_child(dev, NULL, dwc3_ti_remove_core);
/* Clear mode valid bit */
reg = dwc3_ti_readl(data, USBSS_MODE_CONTROL);
reg = dwc3_ti_readl(am62, USBSS_MODE_CONTROL);
reg &= ~USBSS_MODE_VALID;
dwc3_ti_writel(data, USBSS_MODE_CONTROL, reg);
dwc3_ti_writel(am62, USBSS_MODE_CONTROL, reg);
pm_runtime_put_sync(dev);
clk_disable_unprepare(data->usb2_refclk);
clk_disable_unprepare(am62->usb2_refclk);
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
@ -299,15 +299,15 @@ static void dwc3_ti_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int dwc3_ti_suspend_common(struct device *dev)
{
struct dwc3_data *data = dev_get_drvdata(dev);
struct dwc3_am62 *am62 = dev_get_drvdata(dev);
u32 reg, current_prtcap_dir;
if (device_may_wakeup(dev)) {
reg = dwc3_ti_readl(data, USBSS_CORE_STAT);
reg = dwc3_ti_readl(am62, USBSS_CORE_STAT);
current_prtcap_dir = (reg & USBSS_CORE_OPERATIONAL_MODE_MASK)
>> USBSS_CORE_OPERATIONAL_MODE_SHIFT;
/* Set wakeup config enable bits */
reg = dwc3_ti_readl(data, USBSS_WAKEUP_CONFIG);
reg = dwc3_ti_readl(am62, USBSS_WAKEUP_CONFIG);
if (current_prtcap_dir == DWC3_GCTL_PRTCAP_HOST) {
reg = USBSS_WAKEUP_CFG_LINESTATE_EN | USBSS_WAKEUP_CFG_OVERCURRENT_EN;
} else {
@ -317,30 +317,30 @@ static int dwc3_ti_suspend_common(struct device *dev)
* and in U2/L3 state else it causes spurious wake-up.
*/
}
dwc3_ti_writel(data, USBSS_WAKEUP_CONFIG, reg);
dwc3_ti_writel(am62, USBSS_WAKEUP_CONFIG, reg);
/* clear wakeup status so we know what caused the wake up */
dwc3_ti_writel(data, USBSS_WAKEUP_STAT, USBSS_WAKEUP_STAT_CLR);
dwc3_ti_writel(am62, USBSS_WAKEUP_STAT, USBSS_WAKEUP_STAT_CLR);
}
clk_disable_unprepare(data->usb2_refclk);
clk_disable_unprepare(am62->usb2_refclk);
return 0;
}
static int dwc3_ti_resume_common(struct device *dev)
{
struct dwc3_data *data = dev_get_drvdata(dev);
struct dwc3_am62 *am62 = dev_get_drvdata(dev);
u32 reg;
clk_prepare_enable(data->usb2_refclk);
clk_prepare_enable(am62->usb2_refclk);
if (device_may_wakeup(dev)) {
/* Clear wakeup config enable bits */
dwc3_ti_writel(data, USBSS_WAKEUP_CONFIG, USBSS_WAKEUP_CFG_NONE);
dwc3_ti_writel(am62, USBSS_WAKEUP_CONFIG, USBSS_WAKEUP_CFG_NONE);
}
reg = dwc3_ti_readl(data, USBSS_WAKEUP_STAT);
data->wakeup_stat = reg;
reg = dwc3_ti_readl(am62, USBSS_WAKEUP_STAT);
am62->wakeup_stat = reg;
return 0;
}