On Wed, Nov 27, 2013 at 6:13 PM, Dan Carpenter <dan.carpen...@oracle.com> wrote: > On Wed, Nov 27, 2013 at 03:45:14PM +0800, ZHAO Gang wrote: >> fix make -W1 warning: >> drivers/staging/et131x//et131x.c: In function >> ‘et1310_setup_device_for_multicast’: >> drivers/staging/et131x//et131x.c:1055:6: warning: variable ‘pm_csr’ set but >> not used [-Wunused-but-set-variable] >> u32 pm_csr; >> ^ >> drivers/staging/et131x//et131x.c: In function >> ‘et1310_setup_device_for_unicast’: >> drivers/staging/et131x//et131x.c:1104:6: warning: variable ‘pm_csr’ set but >> not used [-Wunused-but-set-variable] >> u32 pm_csr; >> ^ >> drivers/staging/et131x//et131x.c: In function ‘et131x_isr_handler’: >> drivers/staging/et131x//et131x.c:4009:8: warning: variable ‘pm_csr’ set but >> not used [-Wunused-but-set-variable] >> u32 pm_csr; >> ^ > > Did you test these? Sometimes hardware requires stupid stuff like > dummy reads... >
I don't have the hardware to test it. :( I looked the other part of the code, the device seems don't need a special read before write, if it does, we can change the code to just read and don't use a variable to store the read return value. > regards, > dan carpenter > _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
