diff options
| author | Alex Elder <elder@linaro.org> | 2021-07-26 15:11:32 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-26 23:09:18 +0100 |
| commit | 63961f544e271db5f5d3a03164cbe28fcb7eba93 (patch) | |
| tree | 7cb04a8dbc18e930b2810a455a9ee73bf1ab1641 /drivers/net/ipa/ipa_qmi.h | |
| parent | 323e0cb473e2a8706ff162b6b4f4fa16023c9ba7 (diff) | |
net: ipa: kill ipa_modem_setup()
The functions ipa_modem_setup() and ipa_modem_teardown() are trivial
wrappers that call ipa_qmi_setup() and ipa_qmi_teardown(). Just
call the QMI functions directly, and get rid of the wrappers.
Improve the documentation of what setting up QMI does.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ipa/ipa_qmi.h')
| -rw-r--r-- | drivers/net/ipa/ipa_qmi.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ipa/ipa_qmi.h b/drivers/net/ipa/ipa_qmi.h index b6f2055d35a6..856ef629ccc8 100644 --- a/drivers/net/ipa/ipa_qmi.h +++ b/drivers/net/ipa/ipa_qmi.h @@ -39,7 +39,26 @@ struct ipa_qmi { bool indication_sent; }; +/** + * ipa_qmi_setup() - Set up for QMI message exchange + * @ipa: IPA pointer + * + * This is called at the end of ipa_setup(), to prepare for the exchange + * of QMI messages that perform a "handshake" between the AP and modem. + * When the modem QMI server announces its presence, an AP request message + * supplies operating parameters to be used to the modem, and the modem + * acknowledges receipt of those parameters. The modem will not touch the + * IPA hardware until this handshake is complete. + * + * If the modem crashes (or shuts down) a new handshake begins when the + * modem's QMI server is started again. + */ int ipa_qmi_setup(struct ipa *ipa); + +/** + * ipa_qmi_teardown() - Tear down IPA QMI handles + * @ipa: IPA pointer + */ void ipa_qmi_teardown(struct ipa *ipa); #endif /* !_IPA_QMI_H_ */ |