On Fri, Jan 27, 2023 at 10:57:08AM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The w5100/w5300 drivers only support probing with old platform data in > MMIO mode, or probing with DT in SPI mode. There are no users of this > platform data in tree, and from the git history it appears that the only > users of MMIO mode were on the (since removed) blackfin architecture. > > Remove the platform data option, as it's unlikely to still be needed, and > change the internal operation to GPIO descriptors, making the behavior > the same for SPI and MMIO mode. The other data in the platform_data > structure is the MAC address, so make that also handled the same for both. > > It would probably be possible to just remove the MMIO mode driver > completely, but it seems fine otherwise, and fixing it to use the modern > interface seems easy enough. > > The CONFIG_WIZNET_BUS_SHIFT value was apparently meant to be set > at compile time to a machine specific value. This was always broken > for multiplatform configurations with conflicting requirements, and > in the mainline kernel it was set to 0 anyway. Leave it defined > locally as 0 but rename it to something without the CONFIG_ prefix. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > v3: include linux/gpio/consumer.h to avoid build failure without GPIOLIB > v2: replace CONFIG_WIZNET_BUS_SHIFT with a constant > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > .../devicetree/bindings/net/wiznet,w5x00.txt | 4 +- Acked-by: Rob Herring <robh@xxxxxxxxxx> > drivers/net/ethernet/wiznet/w5100-spi.c | 21 ++----- > drivers/net/ethernet/wiznet/w5100.c | 61 ++++++++++--------- > drivers/net/ethernet/wiznet/w5100.h | 3 +- > drivers/net/ethernet/wiznet/w5300.c | 54 ++++++++-------- > include/linux/platform_data/wiznet.h | 23 ------- > 6 files changed, 71 insertions(+), 95 deletions(-) > delete mode 100644 include/linux/platform_data/wiznet.h