xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: ipa: rename db_enable flag

Browse Source 
In several places, a Boolean flag is used in the GSI code to
indicate whether the "doorbell engine" should be enabled or not
when a channel is configured.  This is basically done to abstract
this property from the IPA version; the GSI code doesn't otherwise
"know" what the IPA hardware version is.  The doorbell engine is
enabled only for IPA v3.5.1, not for IPA v4.0 and later.

The next patch makes another change that affects behavior during
channel reset (which also involves programming the channel).  It
also distinguishes IPA v3.5.1 hardware from newer hardware.

Rather than creating another flag whose value matches the "db_enable"
value, just rename "db_enable" to be "legacy" so it can be used to
signal more than just the special doorbell handling.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alex Elder
2020-05-04 18:30:02 -05:00
committed by David S. Miller
parent ee733cd896
commit f86a1909ea
4 changed files with 21 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ipa/ipa_main.c
View File

@@ -108,7 +108,7 @@ int ipa_setup(struct ipa *ipa)
struct ipa_endpoint *command_endpoint;
int ret;
/* IPA v4.0 and above don't use the doorbell engine. */
/* Setup for IPA v3.5.1 has some slight differences */
ret = gsi_setup(&ipa->gsi, ipa->version == IPA_VERSION_3_5_1);
if (ret)
return ret;