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path: root/drivers/usb/renesas_usbhs/common.c
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Diffstat (limited to 'drivers/usb/renesas_usbhs/common.c')
-rw-r--r--drivers/usb/renesas_usbhs/common.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index b3b6813ab270..371478704899 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -126,13 +126,15 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable)
{
u16 mask = DCFM | DRPD | DPRPU | HSE | USBE;
- u16 val = DPRPU | HSE | USBE;
+ u16 val = HSE | USBE;
/*
* if enable
*
* - select Function mode
- * - D+ Line Pull-up
+ * - D+ Line Pull-up is disabled
+ * When D+ Line Pull-up is enabled,
+ * calling usbhs_sys_function_pullup(,1)
*/
usbhs_bset(priv, SYSCFG, mask, enable ? val : 0);
}
@@ -496,20 +498,18 @@ static int usbhs_probe(struct platform_device *pdev)
}
/* platform data */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res || !irq_res) {
+ if (!irq_res) {
dev_err(&pdev->dev, "Not enough Renesas USB platform resources.\n");
return -ENODEV;
}
/* usb private data */
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv) {
- dev_err(&pdev->dev, "Could not allocate priv\n");
+ if (!priv)
return -ENOMEM;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);