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PCI: EPF: Use latest MSI accessors and iterator functions

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MSI accessors and iterator functions are updated in Linux 5.16 version.
Use these function to fix build error.

Bug 3604749

Change-Id: Ibda5372ee743d5e224d0eef898c4cfc665107367
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2742830
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
This commit is contained in:
Manikanta Maddireddy
2022-07-11 11:16:02 +05:30
committed by mobile promotions
parent 750f3ebecd
commit 2db1b1e964
1 changed files with 15 additions and 2 deletions
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17
drivers/pci/endpoint/functions/pci-epf-dma-test.c
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@@ -1398,7 +1398,11 @@ static void pcie_dma_epf_write_msi_msg(struct msi_desc *desc,
struct pcie_epf_bar0 *epf_bar0 = (struct pcie_epf_bar0 *) struct pcie_epf_bar0 *epf_bar0 = (struct pcie_epf_bar0 *)
gepfnv->bar0_virt; gepfnv->bar0_virt;
struct device *cdev = msi_desc_to_dev(desc); struct device *cdev = msi_desc_to_dev(desc);
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)
int idx = desc->platform.msi_index; int idx = desc->platform.msi_index;
#else
int idx = desc->msi_index;
#endif
epf_bar0->msi_data[idx] = msg->data; epf_bar0->msi_data[idx] = msg->data;
dev_info(cdev, "%s: MSI idx: %d data: %d\n", __func__, idx, msg->data); dev_info(cdev, "%s: MSI idx: %d data: %d\n", __func__, idx, msg->data);
@@ -1446,7 +1450,7 @@ static int pcie_dma_epf_msi_init(struct pci_epf *epf)
int ret; int ret;
/* LL DMA in sanity test will not work without MSI for EP */ /* LL DMA in sanity test will not work without MSI for EP */
if (!cdev->msi_domain) { if (!dev_get_msi_domain(cdev)) {
dev_info(fdev, "msi_domain absent, no interrupts\n"); dev_info(fdev, "msi_domain absent, no interrupts\n");
return 0; return 0;
} }
@@ -1458,8 +1462,13 @@ static int pcie_dma_epf_msi_init(struct pci_epf *epf)
return ret; return ret;
} }
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)
for_each_msi_entry(desc, cdev) { for_each_msi_entry(desc, cdev) {
switch (desc->platform.msi_index) { switch (desc->platform.msi_index) {
#else
msi_for_each_desc(desc, cdev, MSI_DESC_ALL) {
switch (desc->msi_index) {
#endif
case 0: case 0:
ret = request_irq(desc->irq, pcie_dma_epf_wr0_msi, 0, ret = request_irq(desc->irq, pcie_dma_epf_wr0_msi, 0,
"pcie_dma_wr0", epfnv); "pcie_dma_wr0", epfnv);
@@ -1514,12 +1523,16 @@ static void pcie_dma_epf_msi_deinit(struct pci_epf *epf)
struct msi_desc *desc; struct msi_desc *desc;
/* LL DMA in sanity test will not work without MSI for EP */ /* LL DMA in sanity test will not work without MSI for EP */
if (!cdev->msi_domain) { if (!dev_get_msi_domain(cdev)) {
dev_info(fdev, "msi_domain absent, no interrupts\n"); dev_info(fdev, "msi_domain absent, no interrupts\n");
return; return;
} }
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)
for_each_msi_entry(desc, cdev) for_each_msi_entry(desc, cdev)
#else
msi_for_each_desc(desc, cdev, MSI_DESC_ALL)
#endif
free_irq(desc->irq, epfnv); free_irq(desc->irq, epfnv);
platform_msi_domain_free_irqs(cdev); platform_msi_domain_free_irqs(cdev);