From patchwork Tue Aug 27 12:24:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 13779440 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D29821B373D; Tue, 27 Aug 2024 12:24:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724761495; cv=none; b=GvQBHMT0aC1PtkOhJj5XZiWQsJ0H9ggsqaMs5wQ2H5NRxtNtBIDuaKyEVyeBzcNLnikmDk+///wgdbucLR8k4tNG4wQsTlTNVupi7KhEAK982hpUEZHlZFXnDBVXb4nKBhmzRc9abajaSJJNmJ86F7/3FLIBTv33k7dztJKwYfo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724761495; c=relaxed/simple; bh=zJe12w2yljz1E+qbXn4yBMsDN6lp3EUCmGpskNc8Fs8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=L97dtbjuv1h4+narUmCURJmQlgjT0vlv4dz4zCyKj+ONfPppPP2f8WkZL47dhZ8cu3cR5KmT32xG/nV1K4oxwk3enmWznRYZvjvTPhLYwwRm5LDqMdvBfNffMSg3NH/7ddDl610/Q0rO3p5LQIIygmW6WbbpWqKwGTqftquikg8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=QKqi8h4W; arc=none smtp.client-ip=198.47.19.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="QKqi8h4W" Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 47RCOYgn036679; Tue, 27 Aug 2024 07:24:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1724761474; bh=sO3DIbNT467egR5G/HnowhddSJHnw0sif6k+DnCg3s8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=QKqi8h4W+IFdQfxLJrFhBzHnt6rxz3qT0uyy5vYRvh18Zl4nqh2Lkge8MaVf9Ci9P l5IBFVJBTeqFMri39mGP2BGf996j0TxwvbxHGb/LXRCfRWlChebn+Ao8OKjuw8qb4U f6vKBay8cjpnTuHcYX3ofzJx59CPlbd4lbzhDKXI= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 47RCOYKB025983 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 27 Aug 2024 07:24:34 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 27 Aug 2024 07:24:33 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 27 Aug 2024 07:24:34 -0500 Received: from uda0492258.dhcp.ti.com (uda0492258.dhcp.ti.com [10.24.72.81]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 47RCONYD011388; Tue, 27 Aug 2024 07:24:29 -0500 From: Siddharth Vadapalli To: , , , , , , , CC: , , , , , , , Subject: [PATCH 1/2] PCI: dra7xx: Fix threaded IRQ request for "dra7xx-pcie-main" IRQ Date: Tue, 27 Aug 2024 17:54:21 +0530 Message-ID: <20240827122422.985547-2-s-vadapalli@ti.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240827122422.985547-1-s-vadapalli@ti.com> References: <20240827122422.985547-1-s-vadapalli@ti.com> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Commit da87d35a6e51 ("PCI: dra7xx: Use threaded IRQ handler for "dra7xx-pcie-main" IRQ") switched from devm_request_irq() to devm_request_threaded_irq() for the "dra7xx-pcie-main" interrupt. Since the primary handler was set to NULL, the "IRQF_ONESHOT" flag should have also been set. Fix this. Fixes: da87d35a6e51 ("PCI: dra7xx: Use threaded IRQ handler for "dra7xx-pcie-main" IRQ") Cc: Reported-by: Udit Kumar Suggested-by: Vignesh Raghavendra Signed-off-by: Siddharth Vadapalli Reviewed-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pci-dra7xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index 4fe3b0cb72ec..20fb50741f3d 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -850,7 +850,8 @@ static int dra7xx_pcie_probe(struct platform_device *pdev) dra7xx->mode = mode; ret = devm_request_threaded_irq(dev, irq, NULL, dra7xx_pcie_irq_handler, - IRQF_SHARED, "dra7xx-pcie-main", dra7xx); + IRQF_SHARED | IRQF_ONESHOT, + "dra7xx-pcie-main", dra7xx); if (ret) { dev_err(dev, "failed to request irq\n"); goto err_gpio; From patchwork Tue Aug 27 12:24:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 13779441 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 004E21B3F35; Tue, 27 Aug 2024 12:24:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724761498; cv=none; b=WEPet+5c5f9QNXJ6E6h/YnySu2OpQRofoT0PnCKd4/qfVZFEZCmfNQ50deDtVWfokSiox12tKAvWwpVn6EuDFhNx1VVOTGY1QOq7Kqzj03rIKVVxGraUw24x/7+UvATWRX6TT9oX+nJoruAnpaZRSM06/EeIQiOQARbXyYL3lN4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724761498; c=relaxed/simple; bh=jFHcTYxKauKn2j4L1ebE8sDM6pDpVTJdYTkal9P+V2E=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=moW2Gzc2DlL9LW4d5MtuzN+1HHLtoyQZ9t3gv35zYPTs3m5mcmIIrTBB+w6hldzg0HZGpzl5NeaAbJ3GOLZQGz4WoHo3AxoQ83OXRZhHHci6I5knVIDzjYnfNg/cZX5DrW7N437bMkrk6ff3b1fimEakUQruhbV1RkIg7gVloXs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=aKG8e5Hm; arc=none smtp.client-ip=198.47.23.249 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="aKG8e5Hm" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 47RCOecH092068; Tue, 27 Aug 2024 07:24:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1724761480; bh=Jxki9UuRPZGgt+9UKSYU76B9FROiegSaoeKr9g9BOz4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=aKG8e5HmJLcG0AdEFGK6Nx9YhpT/Jn6ycieCkLnedh8WtcxdRnwzOcA+hbwjJAOrp W/cvjWzlWtbrjXA8iFltjB/5sqZT++5bL7cttTSO8lcGxnrakYgZdbSYwDo1Z4h0Ft 5eMOs6jNZ5ZKqbzmhcxbssiCJsX+fmnQkHYnWTN4= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 47RCOeL7051182 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 27 Aug 2024 07:24:40 -0500 Received: from DFLE108.ent.ti.com (10.64.6.29) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 27 Aug 2024 07:24:39 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 27 Aug 2024 07:24:40 -0500 Received: from uda0492258.dhcp.ti.com (uda0492258.dhcp.ti.com [10.24.72.81]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 47RCONYE011388; Tue, 27 Aug 2024 07:24:34 -0500 From: Siddharth Vadapalli To: , , , , , , , CC: , , , , , , , Subject: [PATCH 2/2] PCI: dra7xx: Fix error handling when IRQ request fails in probe Date: Tue, 27 Aug 2024 17:54:22 +0530 Message-ID: <20240827122422.985547-3-s-vadapalli@ti.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240827122422.985547-1-s-vadapalli@ti.com> References: <20240827122422.985547-1-s-vadapalli@ti.com> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Commit d4c7d1a089d6 ("PCI: dwc: dra7xx: Push request_irq() call to the bottom of probe") moved the IRQ request for "dra7xx-pcie-main" towards the end of dra7xx_pcie_probe(). However, the error handling does not take into account the initialization performed by either dra7xx_add_pcie_port() or dra7xx_add_pcie_ep(), depending on the mode of operation. Fix the error handling to address this. Fixes: d4c7d1a089d6 ("PCI: dwc: dra7xx: Push request_irq() call to the bottom of probe") Cc: Signed-off-by: Siddharth Vadapalli Tested-by: Udit Kumar Reviewed-by: Manivannan Sadhasivam --- drivers/pci/controller/dwc/pci-dra7xx.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index 20fb50741f3d..5c62e1a3ba52 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -854,11 +854,17 @@ static int dra7xx_pcie_probe(struct platform_device *pdev) "dra7xx-pcie-main", dra7xx); if (ret) { dev_err(dev, "failed to request irq\n"); - goto err_gpio; + goto err_deinit; } return 0; +err_deinit: + if (dra7xx->mode == DW_PCIE_RC_TYPE) + dw_pcie_host_deinit(&dra7xx->pci->pp); + else + dw_pcie_ep_deinit(&dra7xx->pci->ep); + err_gpio: err_get_sync: pm_runtime_put(dev);