Attached are the two patch files. They were generated from include/linux/bcm47xx_nvram.h and from drivers/firmware/broadcom/bcm47xx_nvram.c.
Sorry about the confusion regarding the target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch I was looking at an older repo where this patch was different. -----Original Message----- > Do you want the patch on top of > > target/linux/bcm53xx/patches-3.18/110-firmware-backport-NVRAM-driver.patch > > Or on top of the unpatched > > drivers/firmware/broadcom/bcm47xx_nvram.c > > Or on top of the kernel driver file where 110-firmware....patch > already has been applied? > > Or on top of the file > > target/linux/bcm53xx/files/drivers/firmware/Broadcom/bcm47xx_nvram.c > > The latter would be the easiest, but it probably breaks the 110 patch. > > In upstream kernels the bcm47xx_nvram is not part of the kernel, > this made me believe that it was generated with a patch file. > Didn’t realize that the OpenWRT also has a files directory from > which the additional kernel drivers get "injected" in the kernel: > > target/linux/bcm53xx/files/drivers/firmware/broadcom > > Still this makes me believe they are openwrt specific kernel file, > but I guess, that is just how one wants to read this sentence. NVRAM driver is part of upstream kernel, it's just living in arch/mips/ for now: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/arch/mips/bcm47xx/nvram.c bcm53xx's file is just a copy of above and that would be the best to keep it this way. I think you may prepare patch on top of drivers/firmware/broadcom/bcm47xx_nvram.c for now, then we can work on upstreaming it. Meanwhile I'll be happy to add your patch to /home/zajec/openwrt/openwrt.git/target/linux/bcm53xx/patches-3.18/ It doesn't matter if you work on top of 110-firmware-backport-NVRAM-driver.patch, it doesn't even touch (bcm47xx_)nvram.c.
bcm47xx_nvram.c.patch
Description: bcm47xx_nvram.c.patch
bcm47xx_nvram.h.patch
Description: bcm47xx_nvram.h.patch
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