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USB ehci: Add platform specific init calls 

Some USB cores need a platform specific init hook, add it to
the ehci driver.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2013-01-31 15:13:40 +01:00
parent cefcb0c281
commit 80a4c202dd
2 changed files with 19 additions and 0 deletions
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14
drivers/usb/host/ehci-hcd.c
View File

@ -42,6 +42,10 @@ struct ehci_priv {
struct qTD *td;
int portreset;
unsigned long flags;
int (*init)(void *drvdata);
int (*post_init)(void *drvdata);
void *drvdata;
};
#define to_ehci(ptr) container_of(ptr, struct ehci_priv, host)
@ -748,6 +752,9 @@ static int ehci_init(struct usb_host *host)
if (ehci_reset(ehci) != 0)
return -1;
if (ehci->init)
ehci->init(ehci->drvdata);
ehci->qh_list->qh_link = cpu_to_hc32((uint32_t)ehci->qh_list | QH_LINK_TYPE_QH);
ehci->qh_list->qh_endpt1 = cpu_to_hc32((1 << 15) | (USB_SPEED_HIGH << 12));
ehci->qh_list->qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
@ -788,6 +795,9 @@ static int ehci_init(struct usb_host *host)
ehci->rootdev = 0;
if (ehci->post_init)
ehci->post_init(ehci->drvdata);
return 0;
}
@ -856,6 +866,10 @@ int ehci_register(struct device_d *dev, struct ehci_data *data)
ehci->hcor = (void __iomem *)ehci->hccr +
HC_LENGTH(ehci_readl(&ehci->hccr->cr_capbase));
ehci->drvdata = data->drvdata;
ehci->init = data->init;
ehci->post_init = data->post_init;
ehci->qh_list = dma_alloc_coherent(sizeof(struct QH) * NUM_TD);
ehci->td = dma_alloc_coherent(sizeof(struct qTD) * NUM_TD);

5
include/usb/ehci.h
View File

@ -11,6 +11,11 @@ struct ehci_data {
void __iomem *hccr;
void __iomem *hcor;
unsigned long flags;
/* platform specific init functions */
int (*init)(void *drvdata);
int (*post_init)(void *drvdata);
void *drvdata;
};
#ifdef CONFIG_USB_EHCI