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Miller" , Eric Dumazet , Jakub Kicinski , Lad Prabhakar , Manikanta Pubbisetty , Marc Zyngier , Paolo Abeni , Rob Herring , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 1/2] wifi: ath11k: Use platform_get_irq() to get the interrupt Date: Wed, 1 Feb 2023 08:54:42 -0800 Message-Id: <20230201084131.v2.1.I69cf3d56c97098287fe3a70084ee515098390b70@changeid> X-Mailer: git-send-email 2.39.1.456.gfc5497dd1b-goog MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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?1756648555683534761?= X-GMAIL-MSGID: =?utf-8?q?1756648555683534761?= As of commit a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT core"), we need to use platform_get_irq() instead of platform_get_resource() to get our IRQs because platform_get_resource() simply won't get them anymore. This was already fixed in several other Atheros WiFi drivers, apparently in response to Zeal Robot reports. An example of another fix is commit 9503a1fc123d ("ath9k: Use platform_get_irq() to get the interrupt"). ath11k seems to have been missed in this effort, though. Without this change, WiFi wasn't coming up on my Qualcomm sc7280-based hardware. Specifically, "platform_get_resource(pdev, IORESOURCE_IRQ, i)" was failing even for i=0. Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1 Fixes: a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT core") Fixes: 00402f49d26f ("ath11k: Add support for WCN6750 device") Signed-off-by: Douglas Anderson Tested-by: Jun Yu Reviewed-by: Lad Prabhakar --- Changes in v2: - Update commit message and point to patch that broke us (Jonas) drivers/net/wireless/ath/ath11k/ahb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c index d34a4d6325b2..f70a119bb5c8 100644 --- a/drivers/net/wireless/ath/ath11k/ahb.c +++ b/drivers/net/wireless/ath/ath11k/ahb.c @@ -859,11 +859,11 @@ static int ath11k_ahb_setup_msi_resources(struct ath11k_base *ab) ab->pci.msi.ep_base_data = int_prop + 32; for (i = 0; i < ab->pci.msi.config->total_vectors; i++) { - res = platform_get_resource(pdev, IORESOURCE_IRQ, i); - if (!res) - return -ENODEV; + ret = platform_get_irq(pdev, i); + if (ret < 0) + return ret; - ab->pci.msi.irqs[i] = res->start; + ab->pci.msi.irqs[i] = ret; } set_bit(ATH11K_FLAG_MULTI_MSI_VECTORS, &ab->dev_flags);