On Mon, 05 Sep 2022, Colin Foster wrote: > Several ocelot-related modules are designed for MMIO / regmaps. As such, > they often use a combination of devm_platform_get_and_ioremap_resource() > and devm_regmap_init_mmio(). > > Operating in an MFD might be different, in that it could be memory mapped, > or it could be SPI, I2C... In these cases a fallback to use IORESOURCE_REG > instead of IORESOURCE_MEM becomes necessary. > > When this happens, there's redundant logic that needs to be implemented in > every driver. In order to avoid this redundancy, utilize a single function > that, if the MFD scenario is enabled, will perform this fallback logic. > > Signed-off-by: Colin Foster <colin.foster@xxxxxxxxxxxxxxxx> > Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx> > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > --- > v16 > * Add Andy Reviewed-by tag > > v15 > * Add missed errno.h and ioport.h includes > * Add () to function references in both the commit log and comments > > v14 > * Add header guard > * Change regs type from u32* to void* > * Add Reviewed-by tag > > --- > MAINTAINERS | 5 +++ > include/linux/mfd/ocelot.h | 62 ++++++++++++++++++++++++++++++++++++++ > 2 files changed, 67 insertions(+) > create mode 100644 include/linux/mfd/ocelot.h Applied, thanks. -- Lee Jones [李琼斯]
