From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Fri, 26 Sep 2014 10:09:49 +0200 Subject: [PATCH v2 03/22] MSI: Remove the redundant irq_set_chip_data() In-Reply-To: <1411614872-4009-4-git-send-email-wangyijing@huawei.com> References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> <1411614872-4009-4-git-send-email-wangyijing@huawei.com> Message-ID: <20140926080949.GF31106@ulmo> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Sep 25, 2014 at 11:14:13AM +0800, Yijing Wang wrote: > Currently, pcie-designware, pcie-rcar, pci-tegra drivers > use irq chip_data to save the msi_chip pointer. They > already call irq_set_chip_data() in their own MSI irq map > functions. So irq_set_chip_data() in arch_setup_msi_irq() > is useless. > > Signed-off-by: Yijing Wang > --- > drivers/pci/msi.c | 5 ++--- > 1 files changed, 2 insertions(+), 3 deletions(-) Reviewed-by: Thierry Reding > > diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c > index 51d7e62..50f67a3 100644 > --- a/drivers/pci/msi.c > +++ b/drivers/pci/msi.c > @@ -41,14 +41,13 @@ int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) > if (err < 0) > return err; > > - irq_set_chip_data(desc->irq, chip); > - > return 0; > } > > void __weak arch_teardown_msi_irq(unsigned int irq) > { > - struct msi_chip *chip = irq_get_chip_data(irq); > + struct msi_desc *entry = irq_get_msi_desc(irq); > + struct msi_chip *chip = entry->dev->bus->msi; > > if (!chip || !chip->teardown_irq) > return; > -- > 1.7.1 > -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: not available URL: