From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/drivers/usb/host/ohci-nxp.c | 28 ++++++++++++++++++++--------
1 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/usb/host/ohci-nxp.c b/kernel/drivers/usb/host/ohci-nxp.c
index f5f5326..106a6bc 100644
--- a/kernel/drivers/usb/host/ohci-nxp.c
+++ b/kernel/drivers/usb/host/ohci-nxp.c
@@ -29,10 +29,7 @@
#include "ohci.h"
-#include <mach/hardware.h>
-
#define USB_CONFIG_BASE 0x31020000
-#define USB_OTG_STAT_CONTROL IO_ADDRESS(USB_CONFIG_BASE + 0x110)
/* USB_OTG_STAT_CONTROL bit defines */
#define TRANSPARENT_I2C_EN (1 << 7)
@@ -122,24 +119,38 @@
static void ohci_nxp_start_hc(void)
{
- unsigned long tmp = __raw_readl(USB_OTG_STAT_CONTROL) | HOST_EN;
+ void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4);
+ unsigned long tmp;
- __raw_writel(tmp, USB_OTG_STAT_CONTROL);
+ if (WARN_ON(!usb_otg_stat_control))
+ return;
+
+ tmp = __raw_readl(usb_otg_stat_control) | HOST_EN;
+
+ __raw_writel(tmp, usb_otg_stat_control);
isp1301_vbus_on();
+
+ iounmap(usb_otg_stat_control);
}
static void ohci_nxp_stop_hc(void)
{
+ void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4);
unsigned long tmp;
+ if (WARN_ON(!usb_otg_stat_control))
+ return;
+
isp1301_vbus_off();
- tmp = __raw_readl(USB_OTG_STAT_CONTROL) & ~HOST_EN;
- __raw_writel(tmp, USB_OTG_STAT_CONTROL);
+ tmp = __raw_readl(usb_otg_stat_control) & ~HOST_EN;
+ __raw_writel(tmp, usb_otg_stat_control);
+
+ iounmap(usb_otg_stat_control);
}
static int ohci_hcd_nxp_probe(struct platform_device *pdev)
{
- struct usb_hcd *hcd = 0;
+ struct usb_hcd *hcd = NULL;
const struct hc_driver *driver = &ohci_nxp_hc_driver;
struct resource *res;
int ret = 0, irq;
@@ -153,6 +164,7 @@
}
isp1301_i2c_client = isp1301_get_client(isp1301_node);
+ of_node_put(isp1301_node);
if (!isp1301_i2c_client)
return -EPROBE_DEFER;
--
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