Re: serial pci driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jul 26, 2005 at 11:01:30AM -0500, V. ANANDA KRISHNAN wrote:
>  Can some one help me to understand the function of reg_shift in the
> pci_board structure and how it is used?  Thanks for your help.

It represents the log2 byte spacing between each register of the
serial port.  Some serial ports are wired up such that the registers
are sparsely mapped into memory space, so reg_shift tells the serial
driver about this.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux