| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <8072618d667d37cca7a0d8d3ce14e54919c013cc.1333026637.git.nicolas.ferre@atmel.com>
Date: Thu, 29 Mar 2012 15:27:17 +0200
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org
Cc: plagnioj@...osoft.com, ludovic.desroches@...el.com,
linux-kernel@...r.kernel.org, arnd@...db.de, olof@...om.net,
Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 06/12] USB: ohci-at91: change maximum number of ports
Change number of ports to 3 for newer SoCs. Modify pdata structure
and ohci-at91 code that was dealing with ports information and check
of port indexes.
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
---
arch/arm/mach-at91/include/mach/board.h | 13 +++++++------
drivers/usb/host/ohci-at91.c | 22 +++++++++++++---------
2 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
index 544a5d5..49a8211 100644
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -86,14 +86,15 @@ extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *d
extern void __init at91_add_device_eth(struct macb_platform_data *data);
/* USB Host */
+#define AT91_MAX_USBH_PORTS 3
struct at91_usbh_data {
- u8 ports; /* number of ports on root hub */
- int vbus_pin[2]; /* port power-control pin */
- u8 vbus_pin_active_low[2];
+ int vbus_pin[AT91_MAX_USBH_PORTS]; /* port power-control pin */
+ int overcurrent_pin[AT91_MAX_USBH_PORTS];
+ u8 ports; /* number of ports on root hub */
u8 overcurrent_supported;
- int overcurrent_pin[2];
- u8 overcurrent_status[2];
- u8 overcurrent_changed[2];
+ u8 vbus_pin_active_low[AT91_MAX_USBH_PORTS];
+ u8 overcurrent_status[AT91_MAX_USBH_PORTS];
+ u8 overcurrent_changed[AT91_MAX_USBH_PORTS];
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 1262532..cf9707d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -240,7 +240,7 @@ ohci_at91_start (struct usb_hcd *hcd)
static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int enable)
{
- if (port < 0 || port >= 2)
+ if (port < 0 || port >= ARRAY_SIZE(pdata->vbus_pin))
return;
if (!gpio_is_valid(pdata->vbus_pin[port]))
@@ -252,7 +252,7 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
{
- if (port < 0 || port >= 2)
+ if (port < 0 || port >= ARRAY_SIZE(pdata->vbus_pin))
return -EINVAL;
if (!gpio_is_valid(pdata->vbus_pin[port]))
@@ -301,7 +301,11 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case SetPortFeature:
if (wValue == USB_PORT_FEAT_POWER) {
dev_dbg(hcd->self.controller, "SetPortFeat: POWER\n");
- ohci_at91_usb_set_power(pdata, wIndex - 1, 1);
+ if (wIndex && wIndex <= ARRAY_SIZE(pdata->vbus_pin)) {
+ ohci_at91_usb_set_power(pdata, wIndex - 1, 1);
+ ret = 0;
+ }
+
goto out;
}
break;
@@ -312,7 +316,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
dev_dbg(hcd->self.controller,
"ClearPortFeature: C_OVER_CURRENT\n");
- if (wIndex == 1 || wIndex == 2) {
+ if (wIndex && wIndex <= ARRAY_SIZE(pdata->vbus_pin)) {
pdata->overcurrent_changed[wIndex-1] = 0;
pdata->overcurrent_status[wIndex-1] = 0;
}
@@ -323,7 +327,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
dev_dbg(hcd->self.controller,
"ClearPortFeature: OVER_CURRENT\n");
- if (wIndex == 1 || wIndex == 2) {
+ if (wIndex && wIndex <= ARRAY_SIZE(pdata->vbus_pin)) {
pdata->overcurrent_status[wIndex-1] = 0;
}
@@ -333,7 +337,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
dev_dbg(hcd->self.controller,
"ClearPortFeature: POWER\n");
- if (wIndex == 1 || wIndex == 2) {
+ if (wIndex && wIndex <= ARRAY_SIZE(pdata->vbus_pin)) {
ohci_at91_usb_set_power(pdata, wIndex - 1, 0);
return 0;
}
@@ -377,7 +381,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
dev_dbg(hcd->self.controller, "GetPortStatus(%d)\n", wIndex);
- if (wIndex == 1 || wIndex == 2) {
+ if (wIndex && wIndex <= ARRAY_SIZE(pdata->vbus_pin)) {
if (! ohci_at91_usb_get_power(pdata, wIndex-1)) {
*data &= ~cpu_to_le32(RH_PS_PPS);
}
@@ -514,7 +518,7 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev)
if (!of_property_read_u32(np, "num-ports", &ports))
pdata->ports = ports;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
gpio = of_get_named_gpio_flags(np, "atmel,vbus-gpio", i, &flags);
pdata->vbus_pin[i] = gpio;
if (!gpio_is_valid(gpio))
@@ -522,7 +526,7 @@ static int __devinit ohci_at91_of_init(struct platform_device *pdev)
pdata->vbus_pin_active_low[i] = flags & OF_GPIO_ACTIVE_LOW;
}
- for (i = 0; i < 2; i++)
+ for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++)
pdata->overcurrent_pin[i] =
of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags);
--
1.7.9.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists