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[adm5120] USB driver fixes

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* fix allocation of the ED/TD descriptors
 * remove some unused fields from admhcd struct


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8391 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2007-08-10 19:23:53 +00:00
parent bab1396b79
commit d7d76f7c48
1 changed files with 8 additions and 10 deletions
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18
target/linux/adm5120-2.6/files/drivers/usb/host/adm5120-hcd.c
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@ -90,6 +90,7 @@ MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
#define ADMHCD_REG_HOSTHEAD 0x80
#define ADMHCD_NUMPORTS 2
#define ADMHCD_DESC_ALIGN 16
struct admhcd_ed {
/* Don't change first four, they used for DMA */
@ -155,13 +156,12 @@ static int admhcd_td_err[16] = {
#define ADMHCD_TD_ERRMASK 0x38000000
#define ADMHCD_TD_ERRSHIFT 27
#define TD(td) ((struct admhcd_td *)(((u32)(td)) & ~0xf))
#define ED(ed) ((struct admhcd_ed *)(((u32)(ed)) & ~0xf))
#define TD(td) ((struct admhcd_td *)(((u32)(td)) & ~(ADMHCD_DESC_ALIGN-1)))
#define ED(ed) ((struct admhcd_ed *)(((u32)(ed)) & ~(ADMHCD_DESC_ALIGN-1)))
struct admhcd {
spinlock_t lock;
void __iomem *data_reg;
/* Root hub registers */
u32 rhdesca;
u32 rhdescb;
@ -173,7 +173,6 @@ struct admhcd {
u32 base;
u32 dma_en;
unsigned long flags;
};
static inline struct admhcd *hcd_to_admhcd(struct usb_hcd *hcd)
@ -217,12 +216,12 @@ static struct admhcd_td *admhcd_td_alloc(struct admhcd_ed *ed, struct urb *urb)
{
struct admhcd_td *tdn, *td;
tdn = kzalloc(sizeof(*tdn), GFP_ATOMIC);
tdn = kzalloc(sizeof(*tdn)+ADMHCD_DESC_ALIGN, GFP_ATOMIC);
if (!tdn)
return NULL;
tdn->real = tdn;
tdn = (struct admhcd_td *)KSEG1ADDR(tdn);
tdn = TD(KSEG1ADDR(tdn));
if (ed->cur == NULL) {
ed->cur = tdn;
ed->head = tdn;
@ -283,12 +282,12 @@ static struct admhcd_ed *admhcd_get_ed(struct admhcd *ahcd,
}
}
if (!found) {
found = kzalloc(sizeof(*found), GFP_ATOMIC);
found = kzalloc(sizeof(*found)+ADMHCD_DESC_ALIGN, GFP_ATOMIC);
if (!found)
goto out;
found->real = found;
found->ep = ep;
found = (struct admhcd_ed *)KSEG1ADDR(found);
found = ED(KSEG1ADDR(found));
found->control = usb_pipedevice(pipe) |
(usb_pipeendpoint(pipe) << ADMHCD_ED_EPSHIFT) |
(usb_pipeint(pipe) ? ADMHCD_ED_INT : 0) |
@ -900,7 +899,6 @@ static int __init adm5120hcd_probe(struct platform_device *pdev)
hcd->regs = data_reg;
ahcd = hcd_to_admhcd(hcd);
ahcd->data_reg = data_reg;
ahcd->base = (u32)data_reg;
spin_lock_init(&ahcd->lock);
@ -921,7 +919,7 @@ out_dev:
out_unmap:
iounmap(data_reg);
out_mem:
release_mem_region(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start +1);
release_mem_region(data->start, resource_len(data));
out:
return err;
}