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Thu, 28 Jun 2018 19:31:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530214301; bh=uYhO8Bjg7DjWDoy7J+AbsxsKpB+vMBY6Sus+ktBHeag=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ijYzMRBtdT5uAFXQYYPb/OUxuSL31xnTD98JwDt4aKew6FHzk5zu8JTZxz2cjJ6Ao 7QNvasbOpsaI5GzVU03ttDRMOLa8/zBbS6w35HNw7jkitUV24moHB5UDFGatNLLOC5 +hnSE3qLZoR3/wN5e6SNWyRubgOWzOOSeevdxBtc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C9C1560C62 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: linux-pci@vger.kernel.org Subject: [PATCH V4 6/7] PCI: Rename pci_try_reset_bus() to pci_reset_bus() Date: Thu, 28 Jun 2018 15:31:04 -0400 Message-Id: <1530214274-21139-6-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530214274-21139-1-git-send-email-okaya@codeaurora.org> References: <1530214274-21139-1-git-send-email-okaya@codeaurora.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180628_123202_274412_2EBC35D6 X-CRM114-Status: GOOD ( 14.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mike Marciniszyn , "open list:VFIO DRIVER" , Alexey Kardashevskiy , linux-arm-msm@vger.kernel.org, Dennis Dalessandro , Alex Williamson , Peter Xu , open list , Sinan Kaya , Jason Gunthorpe , Doug Ledford , Zhenyu Wang , Bjorn Helgaas , linux-arm-kernel@lists.infradead.org, "open list:HFI1 DRIVER" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Now that the old implementation of pci_reset_bus() is gone, replace pci_try_reset_bus() with pci_reset_bus(). Compared to the old implementation, new code will fail immmediately with -EAGAIN if object lock cannot be obtained. Signed-off-by: Sinan Kaya --- drivers/infiniband/hw/hfi1/pcie.c | 2 +- drivers/pci/pci.c | 18 +++++++++--------- drivers/vfio/pci/vfio_pci.c | 4 ++-- include/linux/pci.h | 2 +- 4 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index df4f2d3..baf7c32 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -905,7 +905,7 @@ static int trigger_sbr(struct hfi1_devdata *dd) * delay after a reset is required. Per spec requirements, * the link is either working or not after that point. */ - return pci_try_reset_bus(dev); + return pci_reset_bus(dev); } /* diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6cec722..28a071d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4784,7 +4784,7 @@ int pci_probe_reset_slot(struct pci_slot *slot) EXPORT_SYMBOL_GPL(pci_probe_reset_slot); /** - * __pci_try_reset_slot - Try to reset a PCI slot + * __pci_reset_slot - Try to reset a PCI slot * @slot: PCI slot to reset *` * A PCI bus may host multiple slots, each slot may support a reset mechanism @@ -4798,7 +4798,7 @@ EXPORT_SYMBOL_GPL(pci_probe_reset_slot); * * Same as above except return -EAGAIN if the slot cannot be locked */ -static int __pci_try_reset_slot(struct pci_slot *slot) +static int __pci_reset_slot(struct pci_slot *slot) { int rc; @@ -4854,12 +4854,12 @@ int pci_probe_reset_bus(struct pci_bus *bus) EXPORT_SYMBOL_GPL(pci_probe_reset_bus); /** - * __pci_try_reset_bus - Try to reset a PCI bus + * __pci_reset_bus - Try to reset a PCI bus * @bus: top level PCI bus to reset * * Same as above except return -EAGAIN if the bus cannot be locked */ -static int __pci_try_reset_bus(struct pci_bus *bus) +static int __pci_reset_bus(struct pci_bus *bus) { int rc; @@ -4882,22 +4882,22 @@ static int __pci_try_reset_bus(struct pci_bus *bus) } /** - * pci_try_reset_bus - Try to reset a PCI bus + * pci_reset_bus - Try to reset a PCI bus * @pdev: top level PCI device to reset via slot/bus * * Same as above except return -EAGAIN if the bus cannot be locked */ -int pci_try_reset_bus(struct pci_dev *pdev) +int pci_reset_bus(struct pci_dev *pdev) { bool slot = false; if (!pci_probe_reset_slot(pdev->slot)) slot = true; - return slot ? __pci_try_reset_slot(pdev->slot) : - __pci_try_reset_bus(pdev->bus); + return slot ? __pci_reset_slot(pdev->slot) : + __pci_reset_bus(pdev->bus); } -EXPORT_SYMBOL_GPL(pci_try_reset_bus); +EXPORT_SYMBOL_GPL(pci_reset_bus); /** * pcix_get_max_mmrbc - get PCI-X maximum designed memory read byte count diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 71018ec..345c0dc 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -1010,7 +1010,7 @@ static long vfio_pci_ioctl(void *device_data, &info, slot); if (!ret) /* User has access, do the reset */ - ret = pci_try_reset_bus(vdev->pdev); + ret = pci_reset_bus(vdev->pdev); hot_reset_release: for (i--; i >= 0; i--) @@ -1372,7 +1372,7 @@ static void vfio_pci_try_bus_reset(struct vfio_pci_device *vdev) } if (needs_reset) - ret = pci_try_reset_bus(vdev->pdev); + ret = pci_reset_bus(vdev->pdev); put_devs: for (i = 0; i < devs.cur_index; i++) { diff --git a/include/linux/pci.h b/include/linux/pci.h index ad0c89a..79a2c27 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1096,7 +1096,7 @@ int pci_reset_function_locked(struct pci_dev *dev); int pci_try_reset_function(struct pci_dev *dev); int pci_probe_reset_slot(struct pci_slot *slot); int pci_probe_reset_bus(struct pci_bus *bus); -int pci_try_reset_bus(struct pci_dev *dev); +int pci_reset_bus(struct pci_dev *dev); void pci_reset_secondary_bus(struct pci_dev *dev); void pcibios_reset_secondary_bus(struct pci_dev *dev); void pci_update_resource(struct pci_dev *dev, int resno);