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PCI: Fix bit definitions of PCI_EXP_LNKCAP2 register

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>

Jingoo Han committed 14 years ago

Commit b891b4d1 parent 6e965e01 file · +3 −3Browse files

Showing the changes to include/uapi/linux (1 of 1 file). Show all

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include/uapi/linux/pci_regs.h+3−3
@@ -544,9 +544,9 @@ · 543 unmodified lines
544#define PCI_EXP_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */544#define PCI_EXP_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */
545#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44 /* v2 endpoints end here */545#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44 /* v2 endpoints end here */
546#define PCI_EXP_LNKCAP2 44 /* Link Capability 2 */546#define PCI_EXP_LNKCAP2 44 /* Link Capability 2 */
547#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x01 /* Current Link Speed 2.5GT/s */547#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */
548#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x02 /* Current Link Speed 5.0GT/s */548#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */
549#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x04 /* Current Link Speed 8.0GT/s */549#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */
550#define PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */550#define PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */
551#define PCI_EXP_LNKCTL2 48 /* Link Control 2 */551#define PCI_EXP_LNKCTL2 48 /* Link Control 2 */
552#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */552#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */

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