summaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/core/devio.c10
-rw-r--r--drivers/usb/core/inode.c4
-rw-r--r--drivers/usb/gadget/m66592-udc.c34
-rw-r--r--drivers/usb/gadget/m66592-udc.h27
-rw-r--r--drivers/usb/host/r8a66597-hcd.c34
-rw-r--r--drivers/usb/host/r8a66597.h8
6 files changed, 79 insertions, 38 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 2bccefebff1b..aa79280df15d 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -574,6 +574,7 @@ static int usbdev_open(struct inode *inode, struct file *file)
{
struct usb_device *dev = NULL;
struct dev_state *ps;
+ const struct cred *cred = current_cred();
int ret;
lock_kernel();
@@ -617,8 +618,8 @@ static int usbdev_open(struct inode *inode, struct file *file)
init_waitqueue_head(&ps->wait);
ps->discsignr = 0;
ps->disc_pid = get_pid(task_pid(current));
- ps->disc_uid = current->uid;
- ps->disc_euid = current->euid;
+ ps->disc_uid = cred->uid;
+ ps->disc_euid = cred->euid;
ps->disccontext = NULL;
ps->ifclaimed = 0;
security_task_getsecid(current, &ps->secid);
@@ -967,6 +968,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
struct usb_host_endpoint *ep;
struct async *as;
struct usb_ctrlrequest *dr = NULL;
+ const struct cred *cred = current_cred();
unsigned int u, totlen, isofrmlen;
int ret, ifnum = -1;
int is_in;
@@ -1174,8 +1176,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
as->signr = uurb->signr;
as->ifnum = ifnum;
as->pid = get_pid(task_pid(current));
- as->uid = current->uid;
- as->euid = current->euid;
+ as->uid = cred->uid;
+ as->euid = cred->euid;
security_task_getsecid(current, &as->secid);
if (!is_in) {
if (copy_from_user(as->urb->transfer_buffer, uurb->buffer,
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 94632264dccf..185be760833e 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -277,8 +277,8 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de
if (inode) {
inode->i_mode = mode;
- inode->i_uid = current->fsuid;
- inode->i_gid = current->fsgid;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = current_fsgid();
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
switch (mode & S_IFMT) {
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 77b44fb48f0a..3a8879ec2061 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -623,7 +623,6 @@ static void start_ep0(struct m66592_ep *ep, struct m66592_request *req)
#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
static void init_controller(struct m66592 *m66592)
{
- usbf_start_clock();
m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
@@ -671,9 +670,7 @@ static void init_controller(struct m66592 *m66592)
static void disable_controller(struct m66592 *m66592)
{
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- usbf_stop_clock();
-#else
+#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
udelay(1);
m66592_bclr(m66592, M66592_PLLC, M66592_SYSCFG);
@@ -686,9 +683,7 @@ static void disable_controller(struct m66592 *m66592)
static void m66592_start_xclock(struct m66592 *m66592)
{
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- usbf_start_clock();
-#else
+#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
u16 tmp;
tmp = m66592_read(m66592, M66592_SYSCFG);
@@ -1539,7 +1534,10 @@ static int __exit m66592_remove(struct platform_device *pdev)
iounmap(m66592->reg);
free_irq(platform_get_irq(pdev, 0), m66592);
m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
- usbf_stop_clock();
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
+#endif
kfree(m66592);
return 0;
}
@@ -1556,6 +1554,9 @@ static int __init m66592_probe(struct platform_device *pdev)
int irq;
void __iomem *reg = NULL;
struct m66592 *m66592 = NULL;
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+ char clk_name[8];
+#endif
int ret = 0;
int i;
@@ -1614,6 +1615,16 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+ snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
+ m66592->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(m66592->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+ ret = PTR_ERR(m66592->clk);
+ goto clean_up2;
+ }
+ clk_enable(m66592->clk);
+#endif
INIT_LIST_HEAD(&m66592->gadget.ep_list);
m66592->gadget.ep0 = &m66592->ep[0].ep;
INIT_LIST_HEAD(&m66592->gadget.ep0->ep_list);
@@ -1645,7 +1656,7 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->ep0_req = m66592_alloc_request(&m66592->ep[0].ep, GFP_KERNEL);
if (m66592->ep0_req == NULL)
- goto clean_up2;
+ goto clean_up3;
m66592->ep0_req->complete = nop_completion;
init_controller(m66592);
@@ -1653,7 +1664,12 @@ static int __init m66592_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
return 0;
+clean_up3:
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
clean_up2:
+#endif
free_irq(irq, m66592);
clean_up:
if (m66592) {
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index f118f00f1466..286ce07e7960 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -23,6 +23,10 @@
#ifndef __M66592_UDC_H__
#define __M66592_UDC_H__
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#include <linux/clk.h>
+#endif
+
#define M66592_SYSCFG 0x00
#define M66592_XTAL 0xC000 /* b15-14: Crystal selection */
#define M66592_XTAL48 0x8000 /* 48MHz */
@@ -476,6 +480,9 @@ struct m66592_ep {
struct m66592 {
spinlock_t lock;
void __iomem *reg;
+#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+ struct clk *clk;
+#endif
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
@@ -604,26 +611,6 @@ static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
#define m66592_bset(m66592, val, offset) \
m66592_mdfy(m66592, val, 0, offset)
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-#include <asm/io.h>
-#define MSTPCR2 0xA4150038 /* for SH7722 */
-#define MSTPCR2_USB 0x00000800
-
-static inline void usbf_start_clock(void)
-{
- ctrl_outl(ctrl_inl(MSTPCR2) & ~MSTPCR2_USB, MSTPCR2);
-}
-
-static inline void usbf_stop_clock(void)
-{
- ctrl_outl(ctrl_inl(MSTPCR2) | MSTPCR2_USB, MSTPCR2);
-}
-
-#else
-#define usbf_start_clock(x)
-#define usbf_stop_clock(x)
-#endif /* if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
-
#endif /* ifndef __M66592_UDC_H__ */
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 2376f24f3c83..c21f14e0666a 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -114,6 +114,9 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
int i = 0;
#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_HAVE_CLK)
+ clk_enable(r8a66597->clk);
+#endif
do {
r8a66597_write(r8a66597, SCKE, SYSCFG0);
tmp = r8a66597_read(r8a66597, SYSCFG0);
@@ -154,7 +157,11 @@ static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
{
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
-#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
+#if defined(CONFIG_HAVE_CLK)
+ clk_disable(r8a66597->clk);
+#endif
+#else
r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
@@ -2261,6 +2268,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
del_timer_sync(&r8a66597->rh_timer);
usb_remove_hcd(hcd);
iounmap((void *)r8a66597->reg);
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ clk_put(r8a66597->clk);
+#endif
usb_put_hcd(hcd);
return 0;
}
@@ -2268,6 +2278,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
#define resource_len(r) (((r)->end - (r)->start) + 1)
static int __init r8a66597_probe(struct platform_device *pdev)
{
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ char clk_name[8];
+#endif
struct resource *res = NULL, *ires;
int irq = -1;
void __iomem *reg = NULL;
@@ -2320,6 +2333,16 @@ static int __init r8a66597_probe(struct platform_device *pdev)
memset(r8a66597, 0, sizeof(struct r8a66597));
dev_set_drvdata(&pdev->dev, r8a66597);
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
+ r8a66597->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(r8a66597->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+ ret = PTR_ERR(r8a66597->clk);
+ goto clean_up2;
+ }
+#endif
+
spin_lock_init(&r8a66597->lock);
init_timer(&r8a66597->rh_timer);
r8a66597->rh_timer.function = r8a66597_timer;
@@ -2365,11 +2388,18 @@ static int __init r8a66597_probe(struct platform_device *pdev)
ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to add hcd\n");
- goto clean_up;
+ goto clean_up3;
}
return 0;
+clean_up3:
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ clk_put(r8a66597->clk);
+clean_up2:
+#endif
+ usb_put_hcd(hcd);
+
clean_up:
if (reg)
iounmap(reg);
diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h
index 84ee01417315..ecacde4d69b0 100644
--- a/drivers/usb/host/r8a66597.h
+++ b/drivers/usb/host/r8a66597.h
@@ -26,6 +26,10 @@
#ifndef __R8A66597_H__
#define __R8A66597_H__
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#include <linux/clk.h>
+#endif
+
#define SYSCFG0 0x00
#define SYSCFG1 0x02
#define SYSSTS0 0x04
@@ -481,7 +485,9 @@ struct r8a66597_root_hub {
struct r8a66597 {
spinlock_t lock;
unsigned long reg;
-
+#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+ struct clk *clk;
+#endif
struct r8a66597_device device0;
struct r8a66597_root_hub root_hub[R8A66597_MAX_ROOT_HUB];
struct list_head pipe_queue[R8A66597_MAX_NUM_PIPE];
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-08 02:14:21 +0200