ieee1394: save one word in struct hpsb_host

hpsb_host.config_roms is a bitfield of which only one bit is currently
used.  hpsb_host.update_config_rom is only a Boolean.  Neither one is
accessed in hot code paths or with alignment requirements.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/ieee1394/hosts.h b/drivers/ieee1394/hosts.h
index 3922f0e..4bf4fb7 100644 (file)
--- a/drivers/ieee1394/hosts.h
+++ b/drivers/ieee1394/hosts.h
@@ -61,9 +61,9 @@ struct hpsb_host {
        struct device device;
        struct class_device class_dev;
 
-       int update_config_rom;
        struct delayed_work delayed_reset;
-       unsigned int config_roms;
+       unsigned config_roms:31;
+       unsigned update_config_rom:1;
 
        struct list_head addr_space;
        u64 low_addr_space;     /* upper bound of physical DMA area */