8250 Flag definitions

[Ashlesha Shintre <ashlesha@xxxxxxxxxx>]

Hi,

Is there a document that outlines the meaning of these flags in the 8250
serial driver?


> 	#define UPF_FOURPORT            (1 << 1)
> 232 #define UPF_SAK                 (1 << 2)
> 233 #define UPF_SPD_MASK            (0x1030)
> 234 #define UPF_SPD_HI              (0x0010)
> 235 #define UPF_SPD_VHI             (0x0020)
> 236 #define UPF_SPD_CUST            (0x0030)
> 237 #define UPF_SPD_SHI             (0x1000)
> 238 #define UPF_SPD_WARP            (0x1010)
> 239 #define UPF_SKIP_TEST           (1 << 6)
> 240 #define UPF_AUTO_IRQ            (1 << 7)
> 241 #define UPF_HARDPPS_CD          (1 << 11)
> 242 #define UPF_LOW_LATENCY         (1 << 13)
> 243 #define UPF_BUGGY_UART          (1 << 14)
> 244 #define UPF_AUTOPROBE           (1 << 15)
> 245 #define UPF_MAGIC_MULTIPLIER    (1 << 16)
> 246 #define UPF_BOOT_ONLYMCA        (1 << 22)
> 247 #define UPF_CONS_FLOW           (1 << 23)
> 248 #define UPF_SHARE_IRQ           (1 << 24)
> 249 #define UPF_BOOT_AUTOCONF       (1 << 28)
> 250 #define UPF_IOREMAP             (1 << 31)


Thanks,
Ashlesha.