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usb: ohci: Move the ohci_dev struct to inside the main ohci struct 

This is a preparation patch for adding driver-model support.

Note we do keep ohci_dev as a separate struct so that we can later add
support for interrupt-queues which requires allocating a separate ohci_dev
per interrupt-queue.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Hans de Goede 2015-05-05 23:56:08 +02:00 committed by Simon Glass
parent c5613df585
commit 19d95d5729
2 changed files with 19 additions and 23 deletions
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22
drivers/usb/host/ohci-hcd.c
View File

@ -109,8 +109,6 @@ static ohci_t gohci;
struct ohci_hcca ghcca[1];
/* a pointer to the aligned storage */
struct ohci_hcca *phcca;
/* this allocates EDs for all possible endpoints */
struct ohci_device ohci_dev;
static inline u32 roothub_a(struct ohci *hc)
{ return ohci_readl(&hc->regs->roothub.a); }
@ -389,7 +387,8 @@ static void ohci_dump(ohci_t *controller, int verbose)
/* get a transfer request */
int sohci_submit_job(ohci_t *ohci, urb_priv_t *urb, struct devrequest *setup)
int sohci_submit_job(ohci_t *ohci, ohci_dev_t *ohci_dev, urb_priv_t *urb,
struct devrequest *setup)
{
ed_t *ed;
urb_priv_t *purb_priv = urb;
@ -412,7 +411,7 @@ int sohci_submit_job(ohci_t *ohci, urb_priv_t *urb, struct devrequest *setup)
urb->finished = 0;
/* every endpoint has a ed, locate and fill it */
ed = ep_add_ed(dev, pipe, interval, 1);
ed = ep_add_ed(ohci_dev, dev, pipe, interval, 1);
if (!ed) {
err("sohci_submit_job: ENOMEM");
return -1;
@ -743,14 +742,14 @@ static int ep_unlink(ohci_t *ohci, ed_t *edi)
* info fields are setted anyway even though most of them should not
* change
*/
static ed_t *ep_add_ed(struct usb_device *usb_dev, unsigned long pipe,
int interval, int load)
static ed_t *ep_add_ed(ohci_dev_t *ohci_dev, struct usb_device *usb_dev,
unsigned long pipe, int interval, int load)
{
td_t *td;
ed_t *ed_ret;
volatile ed_t *ed;
ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint(pipe) << 1) |
ed = ed_ret = &ohci_dev->ed[(usb_pipeendpoint(pipe) << 1) |
(usb_pipecontrol(pipe)? 0: usb_pipeout(pipe))];
if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) {
@ -766,7 +765,7 @@ static ed_t *ep_add_ed(struct usb_device *usb_dev, unsigned long pipe,
ed->hwHeadP = ed->hwTailP;
ed->state = ED_UNLINK;
ed->type = usb_pipetype(pipe);
ohci_dev.ed_cnt++;
ohci_dev->ed_cnt++;
}
ed->hwINFO = m32_swap(usb_pipedevice(pipe)
@ -1386,7 +1385,7 @@ static int submit_common_msg(ohci_t *ohci, struct usb_device *dev,
return -1;
}
if (sohci_submit_job(ohci, urb, setup) < 0) {
if (sohci_submit_job(ohci, &ohci->ohci_dev, urb, setup) < 0) {
err("sohci_submit_job failed");
return -1;
}
@ -1763,11 +1762,6 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
}
phcca = &ghcca[0];
info("aligned ghcca %p", phcca);
memset(&ohci_dev, 0, sizeof(struct ohci_device));
if ((__u32)&ohci_dev.ed[0] & 0x7) {
err("EDs not aligned!!");
return -1;
}
memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1));
if ((__u32)gtd & 0x7) {
err("TDs not aligned!!");

20
drivers/usb/host/ohci.h
View File

@ -408,6 +408,13 @@ typedef struct
} urb_priv_t;
#define URB_DEL 1
#define NUM_EDS 8 /* num of preallocated endpoint descriptors */
typedef struct ohci_device {
ed_t ed[NUM_EDS] __aligned(16);
int ed_cnt;
} ohci_dev_t;
/*
* This is the full ohci controller description
*
@ -417,6 +424,8 @@ typedef struct
typedef struct ohci {
/* this allocates EDs for all possible endpoints */
struct ohci_device ohci_dev __aligned(16);
struct ohci_hcca *hcca; /* hcca */
/*dma_addr_t hcca_dma;*/
@ -439,19 +448,12 @@ typedef struct ohci {
const char *slot_name;
} ohci_t;
#define NUM_EDS 8 /* num of preallocated endpoint descriptors */
struct ohci_device {
ed_t ed[NUM_EDS];
int ed_cnt;
};
/* hcd */
/* endpoint */
static int ep_link(ohci_t * ohci, ed_t * ed);
static int ep_unlink(ohci_t * ohci, ed_t * ed);
static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe,
int interval, int load);
static ed_t *ep_add_ed(ohci_dev_t *ohci_dev, struct usb_device *usb_dev,
unsigned long pipe, int interval, int load);
/*-------------------------------------------------------------------------*/