parport_pc: Limit the number of PCI BAR pairs to 2
authorMaciej W. Rozycki <macro@orcam.me.uk>
Sun, 8 Jan 2023 21:56:56 +0000 (21:56 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 20 Jan 2023 12:12:00 +0000 (13:12 +0100)
Decrease the number of PCI BAR pair slots allocated for port subdrivers
from 4 to 2 as none wants more than 2 at this time, reducing the memory
footprint a little.  No functional change.

Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20230108215656.6433-7-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/parport/parport_pc.c

index 9b4fe9a..88e125e 100644 (file)
@@ -2657,7 +2657,7 @@ static struct parport_pc_pci {
                int lo;
                int hi;
                /* -1 if not there, >6 for offset-method (max BAR is 6) */
-       } addr[4];
+       } addr[2];
 
        /* Bit field of parport modes to exclude. */
        unsigned int mode_mask;