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ia64, scsi: update references for the device-io book

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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:
Mauro Carvalho Chehab 2017-05-14 11:54:11 -03:00
parent 19285f3c46
commit 2a76213072
3 changed files with 3 additions and 3 deletions
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2
arch/ia64/include/asm/io.h
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@ -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)
{

2
arch/ia64/sn/kernel/iomv.c
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@ -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.

2
drivers/scsi/qla1280.c
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@ -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(&reg->mailbox4, ha->req_ring_index);
mmiowb();