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Add missing struct member, function parameter, and enum value descriptions.
Add missing function Returns: sections.
Use correct function name in kernel-doc to avoid mismatched prototypes.
These repair all kernel-doc warnings in ti-cppi5.h:
Warning: include/linux/dma/ti-cppi5.h:27 struct member 'pkt_info1' not
described in 'cppi5_desc_hdr_t'
Warning: include/linux/dma/ti-cppi5.h:27 struct member 'pkt_info2' not
described in 'cppi5_desc_hdr_t'
Warning: include/linux/dma/ti-cppi5.h:50 struct member 'epib' not
described in 'cppi5_host_desc_t'
Warning: include/linux/dma/ti-cppi5.h:142 struct member 'epib' not
described in 'cppi5_monolithic_desc_t'
Warning: include/linux/dma/ti-cppi5.h:413 function parameter 'pkt_len'
not described in 'cppi5_hdesc_set_pktlen'
Warning: include/linux/dma/ti-cppi5.h:436 function parameter 'ps_flags'
not described in 'cppi5_hdesc_set_psflags'
Warning: include/linux/dma/ti-cppi5.h:509 function parameter 'hbuf_desc'
not described in 'cppi5_hdesc_link_hbdesc'
Warning: include/linux/dma/ti-cppi5.h:839 struct member 'dicnt3' not
described in 'cppi5_tr_type15_t'
Warning: include/linux/dma/ti-cppi5.h:970 function parameter 'desc_hdr'
not described in 'cppi5_trdesc_init'
Warning: include/linux/dma/ti-cppi5.h:184 No description found for
return value of 'cppi5_desc_is_tdcm'
Warning: include/linux/dma/ti-cppi5.h:198 No description found for
return value of 'cppi5_desc_get_type'
Warning: include/linux/dma/ti-cppi5.h:210 No description found for
return value of 'cppi5_desc_get_errflags'
Warning: include/linux/dma/ti-cppi5.h:448 expecting prototype for
cppi5_hdesc_get_errflags(). Prototype was for cppi5_hdesc_get_pkttype()
instead
Warning: include/linux/dma/ti-cppi5.h:460 expecting prototype for
cppi5_hdesc_get_errflags(). Prototype was for cppi5_hdesc_set_pkttype()
instead
Warning: include/linux/dma/ti-cppi5.h:1053 expecting prototype for
cppi5_tr_cflag_set(). Prototype was for cppi5_tr_csf_set() instead
Warning: include/linux/dma/ti-cppi5.h:651 Enum value 'CPPI5_TR_TYPE_MAX'
not described in enum 'cppi5_tr_types'
Warning: include/linux/dma/ti-cppi5.h:676 Enum value
'CPPI5_TR_EVENT_SIZE_MAX' not described in enum 'cppi5_tr_event_size'
Warning: include/linux/dma/ti-cppi5.h:693 Enum value 'CPPI5_TR_TRIGGER_MAX'
not described in enum 'cppi5_tr_trigger'
Warning: include/linux/dma/ti-cppi5.h:714 Enum value
'CPPI5_TR_TRIGGER_TYPE_MAX' not described in enum 'cppi5_tr_trigger_type'
Warning: include/linux/dma/ti-cppi5.h:890 Enum value
'CPPI5_TR_RESPONSE_STATUS_MAX' not described in enum
'cppi5_tr_resp_status_type'
Warning: include/linux/dma/ti-cppi5.h:906 Enum value
'CPPI5_TR_RESPONSE_STATUS_SUBMISSION_MAX' not described in enum
'cppi5_tr_resp_status_submission'
Warning: include/linux/dma/ti-cppi5.h:934 Enum value
'CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_MAX' not described in enum
'cppi5_tr_resp_status_unsupported'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260301011213.3063688-1-rdunlap@infradead.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Per [1], UDMA TR15 transactions may hang if ICNT0 is less than 64B
Work around is to set EOL flag is to 1 for ICNT0.
Since, there is no performance penalty / side effects of setting EOL
flag event ICNTO > 64B, just set the flag for all UDMAP TR15
descriptors.
[1] https://www.ti.com/lit/er/sprz455a/sprz455a.pdf
Errata doc for J721E DRA829/TDA4VM Processors Silicon Revision 1.1/1.0
(Rev. A)
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
[j-choudhary@ti.com: minor cleanups]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20230323120107.27638-1-j-choudhary@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/20200726110117.16346-1-grandmaster@al2klimov.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The K3 DMA architecture uses CPPI5 (Communications Port Programming
Interface) specified descriptors over PSI-L bus within NAVSS.
The header provides helpers, macros to work with these descriptors in a
consistent way.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-8-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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