From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 10/11] ARM: tegra: pcie: Add MSI support
Date: Mon, 12 Mar 2012 10:57:10 -0600 [thread overview]
Message-ID: <4F5E2AE6.3030404@wwwdotorg.org> (raw)
In-Reply-To: <20120312080023.GA13788@avionic-0098.mockup.avionic-design.de>
On 03/12/2012 02:00 AM, Thierry Reding wrote:
> * Stephen Warren wrote:
>> On 03/08/2012 07:51 AM, Thierry Reding wrote:
>>> diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c
...
>> Free the IRQ descriptors in the error paths?
...
>>> + for (msi = 0; msi < INT_PCI_MSI_NR; msi++) {
>>> + unsigned int irq = irq_find_mapping(pcie->msi_domain, msi);
>>> +
>>> + irq_set_chip_data(irq, pcie);
>>> + irq_set_chip_and_handler(irq, &pcie->msi_chip,
>>> + handle_simple_irq);
>>> + set_irq_flags(irq, IRQF_VALID);
>>> + }
>>> +
>>> + err = platform_get_irq(pdev, 1);
>>> + if (err < 0) {
>>> + dev_err(&pdev->dev, "failed to get IRQ: %d\n", err);
>>
>> Same here, and undo setting IRQF_VALID?
>
> Does it make sense to explicitly unset the IRQF_VALID flag when the IRQ
> descriptors are free'd afterwards anyway?
Good point. Probably not per my gut instinct.
...
> I'm also Cc'ing Thomas
> Gleixner as maintainer of the IRQ subsystem, he probably knows best how
> dynamically allocated interrupts should be cleaned up.
But yes, best to check with someone more familiar with interrupts.
next prev parent reply other threads:[~2012-03-12 16:57 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-08 14:51 [PATCH 00/11] ARM: tegra: Add PCIe device tree support Thierry Reding
2012-03-08 14:51 ` [PATCH 01/11] drivercore: Add driver probe deferral mechanism Thierry Reding
2012-03-19 23:12 ` Sylwester Nawrocki
2012-03-20 14:21 ` Grant Likely
2012-03-08 14:51 ` [PATCH 02/11] regulator: Support driver probe deferral Thierry Reding
2012-03-08 14:51 ` [PATCH 03/11] regulator: fixed: " Thierry Reding
2012-03-11 12:58 ` Mark Brown
2012-03-08 14:51 ` [PATCH 04/11] regulator: tps6586x: fix typo in debug message Thierry Reding
2012-03-08 19:08 ` Mark Brown
2012-03-08 14:51 ` [PATCH 05/11] tps6586x: Add device-tree support Thierry Reding
2012-03-08 15:06 ` Mark Brown
2012-03-08 15:15 ` Thierry Reding
2012-03-08 15:17 ` Mark Brown
2012-03-08 15:45 ` Thierry Reding
2012-03-09 5:15 ` Grant Likely
2012-03-09 7:53 ` Thierry Reding
2012-03-08 14:51 ` [PATCH 06/11] PCI: Keep pci_fixup_irqs() around after init Thierry Reding
2012-03-08 17:27 ` Bjorn Helgaas
2012-03-08 18:37 ` Thierry Reding
2012-03-08 18:41 ` Bjorn Helgaas
2012-03-08 14:51 ` [PATCH 07/11] ARM: pci: Keep pci_common_init() " Thierry Reding
2012-03-08 14:51 ` [PATCH 08/11] ARM: tegra: Move tegra_pcie_xclk_clamp() to PMC Thierry Reding
2012-03-08 19:50 ` Stephen Warren
2012-03-08 14:51 ` [PATCH 09/11] ARM: tegra: Rewrite PCIe support as a driver Thierry Reding
2012-03-08 20:09 ` Stephen Warren
2012-03-09 6:37 ` Thierry Reding
2012-03-09 16:42 ` Stephen Warren
2012-03-08 14:51 ` [PATCH 10/11] ARM: tegra: pcie: Add MSI support Thierry Reding
2012-03-08 21:14 ` Stephen Warren
2012-03-09 6:50 ` Thierry Reding
2012-03-09 16:45 ` Stephen Warren
2012-03-12 8:00 ` Thierry Reding
2012-03-12 16:57 ` Stephen Warren [this message]
2012-03-08 14:51 ` [PATCH 11/11] ARM: tegra: pcie: Add device tree support Thierry Reding
2012-03-08 21:31 ` Stephen Warren
2012-03-09 6:31 ` Thierry Reding
2012-03-09 16:47 ` Stephen Warren
2012-03-12 12:06 ` Mark Brown
2012-03-12 14:17 ` Thierry Reding
2012-03-12 14:23 ` Mark Brown
2012-03-12 14:28 ` Thierry Reding
2012-03-12 14:32 ` Mark Brown
2012-03-08 15:22 ` [PATCH 00/11] ARM: tegra: Add PCIe " Rob Herring
2012-03-08 15:43 ` Thierry Reding
2012-03-09 4:54 ` Grant Likely
2012-03-18 17:31 ` Olof Johansson
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