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[86.14.22.118]) by smtp.gmail.com with ESMTPSA id iv13-20020a05600c548d00b003b4fdbb6319sm9783809wmb.21.2022.10.24.16.49.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Oct 2022 16:49:04 -0700 (PDT) From: Caleb Connolly To: Alex Elder , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jami Kettunen Cc: Caleb Connolly , Alex Elder , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH] net: ipa: don't configure IDLE_INDICATION on v3.1 Date: Tue, 25 Oct 2022 00:48:50 +0100 Message-Id: <20221024234850.4049778-1-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747619705326288558?= X-GMAIL-MSGID: =?utf-8?q?1747619705326288558?= IPA v3.1 doesn't support the IDLE_INDICATION_CFG register, this was causing a harmless splat in ipa_idle_indication_cfg(), add a version check to prevent trying to fetch this register on v3.1 Fixes: 6a244b75cfab ("net: ipa: introduce ipa_reg()") Signed-off-by: Caleb Connolly Reviewed-by: Alex Elder Tested-by: Jami Kettunen --- This will need to wait for Jami's Tested-by as I don't have any v3.1 hardware. --- drivers/net/ipa/ipa_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 3461ad3029ab..49537fccf6ad 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -434,6 +434,9 @@ static void ipa_idle_indication_cfg(struct ipa *ipa, const struct ipa_reg *reg; u32 val; + if (ipa->version < IPA_VERSION_3_5_1) + return; + reg = ipa_reg(ipa, IDLE_INDICATION_CFG); val = ipa_reg_encode(reg, ENTER_IDLE_DEBOUNCE_THRESH, enter_idle_debounce_thresh);