- put registers into iomem space
- do not use 0 as NULL pointer
- use dev_request_mem_region()
Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
---
drivers/usb/host/ohci-hcd.c | 40 +++++++---------------------------------
drivers/usb/host/ohci.h | 2 +-
2 files changed, 8 insertions(+), 34 deletions(-)
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 05e4094..f10d827 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -415,7 +415,7 @@ static void ohci_dump(struct ohci *controller, int verbose)
/* get a transfer request */
-int sohci_submit_job(struct urb_priv *urb, struct devrequest *setup)
+static int sohci_submit_job(struct urb_priv *urb, struct devrequest *setup)
{
struct ed *ed;
int i, size = 0;
@@ -498,7 +498,7 @@ int sohci_submit_job(struct urb_priv *urb, struct
devrequest *setup)
static inline int sohci_return_job(struct ohci *hc, struct urb_priv *urb)
{
#ifdef ENBALE_PIPE_INTERRUPT
- struct ohci_regs *regs = hc->regs;
+ struct ohci_regs __iomem *regs = hc->regs;
#endif
switch (usb_pipetype(urb->pipe)) {
@@ -848,7 +848,7 @@ static void td_fill(struct ohci *ohci, unsigned int info,
}
#endif
if (!len)
- data = 0;
+ data = NULL;
td->hwINFO = m32_swap(info);
td->hwCBP = virt_to_phys((void *)m32_swap((unsigned long)data));
@@ -894,7 +894,7 @@ static void td_submit_job(struct usb_device *dev, unsigned
long pipe,
if (data_len)
data = buffer;
else
- data = 0;
+ data = NULL;
switch (usb_pipetype(pipe)) {
case PIPE_BULK:
@@ -1214,32 +1214,6 @@ static inline void wr_rh_portstat(struct ohci *ohci, int
wIndex, __u32 value)
writel(value, &ohci->regs->roothub.portstatus[wIndex-1]);
}
-/* request to virtual root hub */
-
-int rh_check_port_status(struct ohci *controller)
-{
- __u32 temp, ndp, i;
- int res;
-
- res = -1;
- temp = roothub_a(controller);
- ndp = (temp & RH_A_NDP);
-#ifdef CONFIG_AT91C_PQFP_UHPBUG
- ndp = (ndp == 2) ? 1 : 0;
-#endif
- for (i = 0; i < ndp; i++) {
- temp = roothub_portstatus(controller, i);
- /* check for a device disconnect */
- if (((temp & (RH_PS_PESC | RH_PS_CSC)) ==
- (RH_PS_PESC | RH_PS_CSC)) &&
- ((temp & RH_PS_CCS) == 0)) {
- res = i;
- break;
- }
- }
- return res;
-}
-
static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
void *buffer, int transfer_len, struct devrequest *cmd)
{
@@ -1502,7 +1476,7 @@ static int ohci_submit_rh_msg(struct usb_device *dev,
unsigned long pipe,
/* common code for handling submit messages - used for all but root hub */
/* accesses. */
-int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+static int submit_common_msg(struct usb_device *dev, unsigned long pipe, void
*buffer,
int transfer_len, struct devrequest *setup, int interval,
int timeout)
{
@@ -1721,7 +1695,7 @@ static int hc_start(struct ohci *ohci)
static int hc_interrupt(struct ohci *ohci)
{
- struct ohci_regs *regs = ohci->regs;
+ struct ohci_regs __iomem *regs = ohci->regs;
int ints;
int stat = 0;
@@ -1840,7 +1814,7 @@ static int ohci_probe(struct device_d *dev)
usb_register_host(host);
- ohci->regs = (void *)dev->resource[0].start;
+ ohci->regs = dev_request_mem_region(dev, 0);
return 0;
}
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 9132963..9c9b837 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -408,7 +408,7 @@ struct ohci {
int disabled; /* e.g. got a UE, we're hung */
unsigned long flags; /* for HC bugs */
- struct ohci_regs *regs; /* OHCI controller's memory */
+ struct ohci_regs __iomem *regs; /* OHCI controller's memory */
int ohci_int_load[32]; /* load of the 32 Interrupt Chains (for load
balancing)*/
struct ed *ed_rm_list[2]; /* lists of all endpoints to be
removed */
--
1.7.10
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