diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:23:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 19:23:21 -0800 |
| commit | c96e2c92072d3e78954c961f53d8c7352f7abbd7 (patch) | |
| tree | d844f26f926ff40e98e9eae0e11fd71acad81df4 /drivers/usb/mon/mon_dma.c | |
| parent | f2aca47dc3c2d0c2d5dbd972558557e74232bbce (diff) | |
| parent | 64358164f5bfe5e11d4040c1eb674c29e1436ce5 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (70 commits)
USB: remove duplicate device id from zc0301
USB: remove duplicate device id from usb_storage
USB: remove duplicate device id from keyspan
USB: remove duplicate device id from ftdi_sio
USB: remove duplicate device id from visor
USB: a bit more coding style cleanup
usbcore: trivial whitespace fixes
usb-storage: use first bulk endpoints, not last
EHCI: fix interrupt-driven remote wakeup
USB: switch ehci-hcd to new polling scheme
USB: autosuspend for usb printer driver
USB Input: Added kernel module to support all GTCO CalComp USB InterWrite School products
USB: Sierra Wireless auto set D0
USB: usb ethernet gadget recognizes HUSB2DEV
USB: list atmel husb2_udc gadget controller
USB: gadgetfs AIO tweaks
USB: gadgetfs behaves better on userspace init bug
USB: gadgetfs race fix
USB: gadgetfs simplifications
USB: gadgetfs cleanups
...
Diffstat (limited to 'drivers/usb/mon/mon_dma.c')
| -rw-r--r-- | drivers/usb/mon/mon_dma.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/usb/mon/mon_dma.c b/drivers/usb/mon/mon_dma.c index ddcfc01e77a..140cc80bd2b 100644 --- a/drivers/usb/mon/mon_dma.c +++ b/drivers/usb/mon/mon_dma.c @@ -48,6 +48,36 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len) local_irq_restore(flags); return 0; } + +void mon_dmapeek_vec(const struct mon_reader_bin *rp, + unsigned int offset, dma_addr_t dma_addr, unsigned int length) +{ + unsigned long flags; + unsigned int step_len; + struct page *pg; + unsigned char *map; + unsigned long page_off, page_len; + + local_irq_save(flags); + while (length) { + /* compute number of bytes we are going to copy in this page */ + step_len = length; + page_off = dma_addr & (PAGE_SIZE-1); + page_len = PAGE_SIZE - page_off; + if (page_len < step_len) + step_len = page_len; + + /* copy data and advance pointers */ + pg = phys_to_page(dma_addr); + map = kmap_atomic(pg, KM_IRQ0); + offset = mon_copy_to_buff(rp, offset, map + page_off, step_len); + kunmap_atomic(map, KM_IRQ0); + dma_addr += step_len; + length -= step_len; + } + local_irq_restore(flags); +} + #endif /* __i386__ */ #ifndef MON_HAS_UNMAP @@ -55,4 +85,11 @@ char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len) { return 'D'; } -#endif + +void mon_dmapeek_vec(const struct mon_reader_bin *rp, + unsigned int offset, dma_addr_t dma_addr, unsigned int length) +{ + ; +} + +#endif /* MON_HAS_UNMAP */ |