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Thu, 23 Mar 2017 16:12:43 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Cc: robh@kernel.org, toshi.kani@hpe.com, shawn.lin@rock-chips.com, briannorris@chromium.org, dianders@chromium.org, bhelgaas@google.com, dtor@chromium.org, Jeffy Chen , linux-pci@vger.kernel.org Subject: [PATCH v2 1/2] PCI: return resource_entry in pci_add_resource helpers Date: Thu, 23 Mar 2017 16:12:34 +0800 Message-Id: <1490256755-889-2-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1490256755-889-1-git-send-email-jeffy.chen@rock-chips.com> References: <1490256755-889-1-git-send-email-jeffy.chen@rock-chips.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jeffy Chen --- Changes in v2: None drivers/pci/bus.c | 13 ++++++++----- include/linux/pci.h | 8 +++++--- 2 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index bc56cf1..36a1861 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -17,25 +17,28 @@ #include "pci.h" -void pci_add_resource_offset(struct list_head *resources, struct resource *res, - resource_size_t offset) +struct resource_entry *pci_add_resource_offset(struct list_head *resources, + struct resource *res, + resource_size_t offset) { struct resource_entry *entry; entry = resource_list_create_entry(res, 0); if (!entry) { printk(KERN_ERR "PCI: can't add host bridge window %pR\n", res); - return; + return NULL; } entry->offset = offset; resource_list_add_tail(entry, resources); + return entry; } EXPORT_SYMBOL(pci_add_resource_offset); -void pci_add_resource(struct list_head *resources, struct resource *res) +struct resource_entry *pci_add_resource(struct list_head *resources, + struct resource *res) { - pci_add_resource_offset(resources, res, 0); + return pci_add_resource_offset(resources, res, 0); } EXPORT_SYMBOL(pci_add_resource); diff --git a/include/linux/pci.h b/include/linux/pci.h index eb3da1a..ab16abe 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1167,9 +1167,11 @@ void pci_release_selected_regions(struct pci_dev *, int); /* drivers/pci/bus.c */ struct pci_bus *pci_bus_get(struct pci_bus *bus); void pci_bus_put(struct pci_bus *bus); -void pci_add_resource(struct list_head *resources, struct resource *res); -void pci_add_resource_offset(struct list_head *resources, struct resource *res, - resource_size_t offset); +struct resource_entry *pci_add_resource(struct list_head *resources, + struct resource *res); +struct resource_entry *pci_add_resource_offset(struct list_head *resources, + struct resource *res, + resource_size_t offset); void pci_free_resource_list(struct list_head *resources); void pci_bus_add_resource(struct pci_bus *bus, struct resource *res, unsigned int flags);