tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
fork atom

xhci: Add missing capability definition bits

Add capability bits for the xHC Capability Parameters 2 (HCCPARAMS2)
register described in xHCI specification section 5.3.9

bit 7 Extended TBC TRB Status Capability (ETC_TSC)
bit 8 Get/Set Extended Property Capability (GSC)
bit 9 Virtualization Based Trusted I/O Capability (VTC)

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20241227120142.1035206-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

authored by

Mathias Nyman and committed by
Greg Kroah-Hartman 8a95c9e1 3ac820f9

+6
+6
drivers/usb/host/xhci-caps.h
··· 83 83 #define HCC2_CIC(p) ((p) & (1 << 5)) 84 84 /* true: HC support Extended TBC Capability, Isoc burst count > 65535 */ 85 85 #define HCC2_ETC(p) ((p) & (1 << 6)) 86 + /* true: HC support Extended TBC TRB Status Capability */ 87 + #define HCC2_ETC_TSC(p) ((p) & (1 << 7)) 88 + /* true: HC support Get/Set Extended Property Capability */ 89 + #define HCC2_GSC(p) ((p) & (1 << 8)) 90 + /* true: HC support Virtualization Based Trusted I/O Capability */ 91 + #define HCC2_VTC(p) ((p) & (1 << 9))