PCI: Fix bit definitions of PCI_EXP_LNKCAP2 register
authorJingoo Han <jg1.han@samsung.com>
Fri, 9 Nov 2012 06:56:03 +0000 (15:56 +0900)
committerBjorn Helgaas <bhelgaas@google.com>
Fri, 9 Nov 2012 18:17:59 +0000 (11:17 -0700)
According to the PCIe 3.0 spec, PCI_EXP_LNKCAP2_SLS_2_5GB is
1st bit of PCI_EXP_LNKCAP2 register, not 0th bit. So, the bit
definition of supported link speed vector should be fixed.

[bhelgaas: change "Current" to "Supported"]
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
include/uapi/linux/pci_regs.h

index 20ae747ddf3483af636aef6f729fe90a33fa852d..259763d2df71a2811368a7eeb5cb3efa3e9053bf 100644 (file)
 #define  PCI_EXP_OBFF_WAKE_EN  0x6000  /* OBFF using WAKE# signaling */
 #define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44      /* v2 endpoints end here */
 #define PCI_EXP_LNKCAP2                44      /* Link Capability 2 */
-#define  PCI_EXP_LNKCAP2_SLS_2_5GB 0x01        /* Current Link Speed 2.5GT/s */
-#define  PCI_EXP_LNKCAP2_SLS_5_0GB 0x02        /* Current Link Speed 5.0GT/s */
-#define  PCI_EXP_LNKCAP2_SLS_8_0GB 0x04        /* Current Link Speed 8.0GT/s */
+#define  PCI_EXP_LNKCAP2_SLS_2_5GB 0x02        /* Supported Link Speed 2.5GT/s */
+#define  PCI_EXP_LNKCAP2_SLS_5_0GB 0x04        /* Supported Link Speed 5.0GT/s */
+#define  PCI_EXP_LNKCAP2_SLS_8_0GB 0x08        /* Supported Link Speed 8.0GT/s */
 #define  PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */
 #define PCI_EXP_LNKCTL2                48      /* Link Control 2 */
 #define PCI_EXP_LNKSTA2                50      /* Link Status 2 */