mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
ia64, scsi: update references for the device-io book
The book is now at Documentation/driver-api/device-io.rst. Update such references. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
parent
19285f3c46
commit
2a76213072
3 changed files with 3 additions and 3 deletions
|
@ -117,7 +117,7 @@ extern int valid_mmap_phys_addr_range (unsigned long pfn, size_t count);
|
|||
* following the barrier will arrive after all previous writes. For most
|
||||
* ia64 platforms, this is a simple 'mf.a' instruction.
|
||||
*
|
||||
* See Documentation/DocBook/deviceiobook.tmpl for more information.
|
||||
* See Documentation/driver-api/device-io.rst for more information.
|
||||
*/
|
||||
static inline void ___ia64_mmiowb(void)
|
||||
{
|
||||
|
|
|
@ -63,7 +63,7 @@ EXPORT_SYMBOL(sn_io_addr);
|
|||
/**
|
||||
* __sn_mmiowb - I/O space memory barrier
|
||||
*
|
||||
* See arch/ia64/include/asm/io.h and Documentation/DocBook/deviceiobook.tmpl
|
||||
* See arch/ia64/include/asm/io.h and Documentation/driver-api/device-io.rst
|
||||
* for details.
|
||||
*
|
||||
* On SN2, we wait for the PIO_WRITE_STATUS SHub register to clear.
|
||||
|
|
|
@ -3390,7 +3390,7 @@ qla1280_isp_cmd(struct scsi_qla_host *ha)
|
|||
* On PCI bus, order reverses and write of 6 posts, then index 5,
|
||||
* causing chip to issue full queue of stale commands
|
||||
* The mmiowb() prevents future writes from crossing the barrier.
|
||||
* See Documentation/DocBook/deviceiobook.tmpl for more information.
|
||||
* See Documentation/driver-api/device-io.rst for more information.
|
||||
*/
|
||||
WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
|
||||
mmiowb();
|
||||
|
|
Loading…
Reference in a new issue