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XHCI Use named bits in PIC command register config
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This commit is contained in:
Kamil Kowalczyk
2026-04-30 19:10:10 +02:00
parent 616ba40a14
commit 05d03716cb
1 changed files with 4 additions and 1 deletions
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5
kernel/device/pci/pci_xhci.c
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@@ -36,7 +36,10 @@ bool pci_xhci_init(struct proc* proc, struct reschedule_ctx* rctx, struct pci_in
uint16_t pci_cmd = pci_read16(pci_info.bus, pci_info.slot, pci_info.func, PCI_COMMAND); uint16_t pci_cmd = pci_read16(pci_info.bus, pci_info.slot, pci_info.func, PCI_COMMAND);
uint16_t new_cmd = (pci_cmd | (1 << 1) | (1 << 2)) & ~(1 << 10); uint16_t new_cmd = pci_cmd;
new_cmd |= (1 << PCI_CMD_MEMSPACE);
new_cmd |= (1 << PCI_CMD_BUSMASTER);
new_cmd &= (1 << PCI_CMD_INTRDISABLE);
if (pci_cmd != new_cmd) { if (pci_cmd != new_cmd) {
pci_write16(pci_info.bus, pci_info.slot, pci_info.func, PCI_COMMAND, new_cmd); pci_write16(pci_info.bus, pci_info.slot, pci_info.func, PCI_COMMAND, new_cmd);