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authorAlex He <alex.he@amd.com>2012-03-30 10:21:38 +0800
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2012-04-11 08:31:06 -0700
commit95018a53f7653e791bba1f54c8d75d9cb700d1bd (patch)
tree943dcbd00aac0b5aa623dede2d77619cd83ca18a /drivers/usb/host/xhci-ext-caps.h
parent3fc8206d3dca1550eb0a1f6e2a350881835954ba (diff)
downloadop-kernel-dev-95018a53f7653e791bba1f54c8d75d9cb700d1bd.zip
op-kernel-dev-95018a53f7653e791bba1f54c8d75d9cb700d1bd.tar.gz
xHCI: Correct the #define XHCI_LEGACY_DISABLE_SMI
Re-define XHCI_LEGACY_DISABLE_SMI and used it in right way. All SMI enable bits will be cleared to zero and flag bits 29:31 are also cleared to zero. Other bits should be presvered as Table 146. This patch should be backported to kernels as old as 2.6.31. Signed-off-by: Alex He <alex.he@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/usb/host/xhci-ext-caps.h')
-rw-r--r--drivers/usb/host/xhci-ext-caps.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h
index c7f3312..377f424 100644
--- a/drivers/usb/host/xhci-ext-caps.h
+++ b/drivers/usb/host/xhci-ext-caps.h
@@ -62,8 +62,9 @@
/* USB Legacy Support Control and Status Register - section 7.1.2 */
/* Add this offset, plus the value of xECP in HCCPARAMS to the base address */
#define XHCI_LEGACY_CONTROL_OFFSET (0x04)
-/* bits 1:2, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
-#define XHCI_LEGACY_DISABLE_SMI ((0x3 << 1) + (0xff << 5) + (0x7 << 17))
+/* bits 1:3, 5:12, and 17:19 need to be preserved; bits 21:28 should be zero */
+#define XHCI_LEGACY_DISABLE_SMI ((0x7 << 1) + (0xff << 5) + (0x7 << 17))
+#define XHCI_LEGACY_SMI_EVENTS (0x7 << 29)
/* USB 2.0 xHCI 0.96 L1C capability - section 7.2.2.1.3.2 */
#define XHCI_L1C (1 << 16)
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