Hi all, On Sun, 15 Aug 2021 22:04:32 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > On Mon, 9 Aug 2021 15:21:41 +0200 Arnd Bergmann <arnd@xxxxxxxx> wrote: > > > > On Mon, Aug 9, 2021 at 12:20 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > > > After merging the net-next tree, today's linux-next build (powerpc > > > allyesconfig) failed like this: > > > > > > drivers/net/ethernet/cirrus/cs89x0.c: In function 'net_open': > > > drivers/net/ethernet/cirrus/cs89x0.c:897:20: error: implicit declaration of function 'isa_virt_to_bus' [-Werror=implicit-function-declaration] > > > 897 | (unsigned long)isa_virt_to_bus(lp->dma_buff)); > > > | ^~~~~~~~~~~~~~~ > > > > Thank you for the report! I already sent a patch for m68knommu running into > > this issue, but it seems there are other architectures that still have it. > > > > The driver checks CONFIG_ISA_DMA_API at compile time to determine > > whether isa_virt_to_bus(), set_dma_mode(), set_dma_addr(), ... are all > > defined. > > > > It seems that isa_virt_to_bus() is only implemented on most of the > > architectures that set ISA_DMA_API: alpha, arm, mips, parisc and x86, > > but not on m68k/coldfire and powerpc. > > > > Before my patch, the platform driver could only be built on ARM, > > so maybe we should just go back to that dependency or something > > like > > > > depends on ARM || ((X86 || !ISA_DMA_API) && COMPILE_TEST) > > > > for extra build coverage. Then again, it's hard to find any machine > > actually using these: we have a couple of s3c24xx machines that > > use the wrong device name, so the device never gets probed, the imx > > machines that used to work are gone, and the ep7211-edb7211.dts > > is missing a device node for it. Most likely, neither the platform nor > > the ISA driver are actually used by anyone. > > I am still applying my patch removing COMPILE_TEST from this driver .. Ping? Did I miss a fix being merged? -- Cheers, Stephen Rothwell
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