> On Thu, Jun 21, 2007 at 04:13:27 EST, Satyam Sharma wrote: > On 6/21/07, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: >> On Thu, Jun 21, 2007 at 12:22:01PM +0530, Satyam Sharma wrote: >> > >> The build seems to fail because of: >> > >> ERROR: "ROOT_DEV" [drivers/mtd/maps/nettel.ko] undefined! >> > >> >> > >> After taking a quick look at the code, I can't immediately see why >> > >> this would be, since there is an include for linux/root_dev.h at the >> > >> top, there. >> > >> >> > >> There's only one occurrence of ROOT_DEV (line 425), and after a quick >> > >> look at the git history, it seems the include was originally missing, >> > >> but was put back in, in commit >> > >> 6cc449c7d0292cb9b993f0df84fd3225e3099492. >> >> Please just the reference to ROOT_DEV from this driver. Just because >> someone builds this driver there should be no change in the default root >> device. > > I agree, but this (drivers/mtd/maps/nettel.c) isn't the only modular driver > referencing ROOT_DEV. We also have drivers/mtd/maps/pmcmsp-ramroot.c > using ROOT_DEV (in fact the purpose of that driver seems to be precisely > to special-case the root fs and do something with it ...) but considering > that other driver's (tristate) Kconfig option depends on another symbol that > is non-existent in the mainline tree, there is no way someone can build > pmcmsp-ramroot and so we'll never actually hit that problem even with an > allmodconfig build. > > Anyway, I'll leave this up to David / linux-mtd to sort out. [ No other > modular user of ROOT_DEV in the tree other than the two mtd drivers > mentioned here. ]han the two mtd drivers > mentioned here. ]] Hi Satyam, The support for the platform which introduced drivers/mtd/maps/pmcmsp-ramroot.c is being queued in the linux-mips tree at linux-mips.org. At some point it should work it's way to the main tree and be buildable. Marc