diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9011-i2c-amd-mp2-avoid-using-pci_intx-if-msi-or-msix-is-s.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9011-i2c-amd-mp2-avoid-using-pci_intx-if-msi-or-msix-is-s.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9011-i2c-amd-mp2-avoid-using-pci_intx-if-msi-or-msix-is-s.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9011-i2c-amd-mp2-avoid-using-pci_intx-if-msi-or-msix-is-s.patch new file mode 100644 index 00000000..58105b7f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/9011-i2c-amd-mp2-avoid-using-pci_intx-if-msi-or-msix-is-s.patch @@ -0,0 +1,47 @@ +From 5651b3afc5a9173670907c87e2bc46df9d3f29fb Mon Sep 17 00:00:00 2001 +From: Raju Rangoju <Raju.Rangoju@amd.com> +Date: Tue, 8 Feb 2022 12:39:24 +0530 +Subject: [PATCH 11/48] i2c: amd-mp2: avoid using pci_intx if msi or msix is + supported + +Avoid the usage of pci_intx if the harware supports either msi or msix. + +Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> +Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com> +Signed-off-by: rgaridap <Ramesh.Garidapuri@amd.com> +Change-Id: Ic3f616def0a47c427f82adf9d5a3a1286ef035f0 +--- + drivers/i2c/busses/i2c-amd-mp2-pci.c | 14 +++++++++----- + 1 file changed, 9 insertions(+), 5 deletions(-) + +diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c +index ce130a821ea5..a72c24f19853 100644 +--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c ++++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c +@@ -314,14 +314,18 @@ static int amd_mp2_pci_init(struct amd_mp2_dev *privdata, + goto err_dma_mask; + } + +- /* Set up intx irq */ ++ /* Set up MSI-x irq */ + writel(0, privdata->mmio + AMD_P2C_MSG_INTEN); +- pci_intx(pci_dev, 1); +- rc = devm_request_irq(&pci_dev->dev, pci_dev->irq, amd_mp2_irq_isr, +- IRQF_SHARED, dev_name(&pci_dev->dev), privdata); ++ rc = pci_alloc_irq_vectors(pci_dev, 1, 1, PCI_IRQ_MSIX); ++ if (rc < 0) { ++ dev_err(&pci_dev->dev, "Failed to allocate MSI-x interrupts err=%d\n", rc); ++ return rc; ++ } ++ rc = devm_request_irq(&pci_dev->dev, pci_irq_vector(pci_dev, 0), ++ amd_mp2_irq_isr, 0, dev_name(&pci_dev->dev), privdata); + if (rc) + pci_err(pci_dev, "Failure requesting irq %i: %d\n", +- pci_dev->irq, rc); ++ pci_irq_vector(pci_dev, 0), rc); + + return rc; + +-- +2.27.0 + |