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authorBjorn Helgaas <bhelgaas@google.com>2020-10-21 09:58:40 -0500
committerBjorn Helgaas <bhelgaas@google.com>2020-10-21 09:58:40 -0500
commit7ba381c449fdfaae9768e092e1e8a87ac1459561 (patch)
treedd54bed354fddc2d39c0abf211bdc0303c6040ad /drivers/pci
parent982f8334262d02bfcd41612411c7d8ff40011914 (diff)
parent936452941cbec2b2f51cb6b7e5ac1d9b3081c6c1 (diff)
downloadlinux-7ba381c449fdfaae9768e092e1e8a87ac1459561.tar.bz2
Merge branch 'remotes/lorenzo/pci/iproc'
- Set affinity mask on MSI interrupts (Mark Tomlinson) - Simplify by using module_bcma_driver (Liu Shixin) - Fix 'using integer as NULL pointer' warning (Krzysztof WilczyƄski) * remotes/lorenzo/pci/iproc: PCI: iproc: Fix using plain integer as NULL pointer in iproc_pcie_pltfm_probe PCI: iproc: Use module_bcma_driver to simplify the code PCI: iproc: Set affinity mask on MSI interrupts
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/controller/pcie-iproc-bcma.c13
-rw-r--r--drivers/pci/controller/pcie-iproc-msi.c13
-rw-r--r--drivers/pci/controller/pcie-iproc-platform.c2
3 files changed, 11 insertions, 17 deletions
diff --git a/drivers/pci/controller/pcie-iproc-bcma.c b/drivers/pci/controller/pcie-iproc-bcma.c
index aa55b064f64d..56b8ee7bf330 100644
--- a/drivers/pci/controller/pcie-iproc-bcma.c
+++ b/drivers/pci/controller/pcie-iproc-bcma.c
@@ -94,18 +94,7 @@ static struct bcma_driver iproc_pcie_bcma_driver = {
.probe = iproc_pcie_bcma_probe,
.remove = iproc_pcie_bcma_remove,
};
-
-static int __init iproc_pcie_bcma_init(void)
-{
- return bcma_driver_register(&iproc_pcie_bcma_driver);
-}
-module_init(iproc_pcie_bcma_init);
-
-static void __exit iproc_pcie_bcma_exit(void)
-{
- bcma_driver_unregister(&iproc_pcie_bcma_driver);
-}
-module_exit(iproc_pcie_bcma_exit);
+module_bcma_driver(iproc_pcie_bcma_driver);
MODULE_AUTHOR("Hauke Mehrtens");
MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index 3176ad3ab0e5..908475d27e0e 100644
--- a/drivers/pci/controller/pcie-iproc-msi.c
+++ b/drivers/pci/controller/pcie-iproc-msi.c
@@ -209,15 +209,20 @@ static int iproc_msi_irq_set_affinity(struct irq_data *data,
struct iproc_msi *msi = irq_data_get_irq_chip_data(data);
int target_cpu = cpumask_first(mask);
int curr_cpu;
+ int ret;
curr_cpu = hwirq_to_cpu(msi, data->hwirq);
if (curr_cpu == target_cpu)
- return IRQ_SET_MASK_OK_DONE;
+ ret = IRQ_SET_MASK_OK_DONE;
+ else {
+ /* steer MSI to the target CPU */
+ data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+ ret = IRQ_SET_MASK_OK;
+ }
- /* steer MSI to the target CPU */
- data->hwirq = hwirq_to_canonical_hwirq(msi, data->hwirq) + target_cpu;
+ irq_data_update_effective_affinity(data, cpumask_of(target_cpu));
- return IRQ_SET_MASK_OK;
+ return ret;
}
static void iproc_msi_irq_compose_msi_msg(struct irq_data *data,
diff --git a/drivers/pci/controller/pcie-iproc-platform.c b/drivers/pci/controller/pcie-iproc-platform.c
index a956b0c18bd1..b93e7bda101b 100644
--- a/drivers/pci/controller/pcie-iproc-platform.c
+++ b/drivers/pci/controller/pcie-iproc-platform.c
@@ -99,7 +99,7 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
switch (pcie->type) {
case IPROC_PCIE_PAXC:
case IPROC_PCIE_PAXC_V2:
- pcie->map_irq = 0;
+ pcie->map_irq = NULL;
break;
default:
break;