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[net-next,01/13] net: ipa: refer to IPA versions, not GSI

Message ID 20201105181407.8006-2-elder@linaro.org
State Accepted
Delegated to: David Miller
Headers show
Series net: ipa: constrain GSI interrupts | expand

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jkicinski/tree_selection success Clearly marked for net-next
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jkicinski/module_param success Was 0 now: 0
jkicinski/build_32bit success Errors and warnings before: 0 this patch: 0
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jkicinski/stable success Stable not CCed

Commit Message

Alex Elder Nov. 5, 2020, 6:13 p.m. UTC 
The GSI code is now exposed to IPA version numbers, and we handle
version-specific behavior based on the IPA version.

Modify some comments that talk about GSI versions so they reference
IPA versions instead.  Correct version number errors in a couple of
these comments.

The (comment) mapping between IPA and GSI versions in the definition
of the ipa_version enumerated type remains.

Signed-off-by: Alex Elder <elder@linaro.org>
---
 drivers/net/ipa/gsi_reg.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/net/ipa/gsi_reg.h b/drivers/net/ipa/gsi_reg.h
index 8e0e9350c3831..9668797aa58ef 100644
--- a/drivers/net/ipa/gsi_reg.h
+++ b/drivers/net/ipa/gsi_reg.h
@@ -66,7 +66,7 @@ 
 #define CHTYPE_DIR_FMASK		GENMASK(3, 3)
 #define EE_FMASK			GENMASK(7, 4)
 #define CHID_FMASK			GENMASK(12, 8)
-/* The next field is present for GSI v2.0 and above */
+/* The next field is present for IPA v4.5 and above */
 #define CHTYPE_PROTOCOL_MSB_FMASK	GENMASK(13, 13)
 #define ERINDEX_FMASK			GENMASK(18, 14)
 #define CHSTATE_FMASK			GENMASK(23, 20)
@@ -95,7 +95,7 @@ 
 #define WRR_WEIGHT_FMASK		GENMASK(3, 0)
 #define MAX_PREFETCH_FMASK		GENMASK(8, 8)
 #define USE_DB_ENG_FMASK		GENMASK(9, 9)
-/* The next field is present for GSI v2.0 and above */
+/* The next field is only present for IPA v4.0, v4.1, and v4.2 */
 #define USE_ESCAPE_BUF_ONLY_FMASK	GENMASK(10, 10)
 
 #define GSI_CH_C_SCRATCH_0_OFFSET(ch) \
@@ -238,19 +238,19 @@ 
 #define IRAM_SIZE_FMASK			GENMASK(2, 0)
 #define IRAM_SIZE_ONE_KB_FVAL			0
 #define IRAM_SIZE_TWO_KB_FVAL			1
-/* The next two values are available for GSI v2.0 and above */
+/* The next two values are available for IPA v4.0 and above */
 #define IRAM_SIZE_TWO_N_HALF_KB_FVAL		2
 #define IRAM_SIZE_THREE_KB_FVAL			3
 #define NUM_CH_PER_EE_FMASK		GENMASK(7, 3)
 #define NUM_EV_PER_EE_FMASK		GENMASK(12, 8)
 #define GSI_CH_PEND_TRANSLATE_FMASK	GENMASK(13, 13)
 #define GSI_CH_FULL_LOGIC_FMASK		GENMASK(14, 14)
-/* Fields below are present for GSI v2.0 and above */
+/* Fields below are present for IPA v4.0 and above */
 #define GSI_USE_SDMA_FMASK		GENMASK(15, 15)
 #define GSI_SDMA_N_INT_FMASK		GENMASK(18, 16)
 #define GSI_SDMA_MAX_BURST_FMASK	GENMASK(26, 19)
 #define GSI_SDMA_N_IOVEC_FMASK		GENMASK(29, 27)
-/* Fields below are present for GSI v2.2 and above */
+/* Fields below are present for IPA v4.2 and above */
 #define GSI_USE_RD_WR_ENG_FMASK		GENMASK(30, 30)
 #define GSI_USE_INTER_EE_FMASK		GENMASK(31, 31)