diff options
| -rw-r--r-- | arch/mips/include/asm/cdmm.h | 4 | ||||
| -rw-r--r-- | drivers/bus/mips_cdmm.c | 14 |
2 files changed, 15 insertions, 3 deletions
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h index 16e22ce9719f..bece2064cc8c 100644 --- a/arch/mips/include/asm/cdmm.h +++ b/arch/mips/include/asm/cdmm.h @@ -53,7 +53,7 @@ struct mips_cdmm_driver { * mips_cdmm_phys_base() - Choose a physical base address for CDMM region. * * Picking a suitable physical address at which to map the CDMM region is - * platform specific, so this weak function can be defined by platform code to + * platform specific, so this function can be defined by platform code to * pick a suitable value if none is configured by the bootloader. * * This address must be 32kB aligned, and the region occupies a maximum of 32kB @@ -61,7 +61,7 @@ struct mips_cdmm_driver { * * Returns: Physical base address for CDMM region, or 0 on failure. */ -phys_addr_t __weak mips_cdmm_phys_base(void); +phys_addr_t mips_cdmm_phys_base(void); extern struct bus_type mips_cdmm_bustype; void __iomem *mips_cdmm_early_probe(unsigned int dev_type); diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index ab3bde16ecb4..1c543effe062 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -332,6 +332,18 @@ static phys_addr_t mips_cdmm_cur_base(void) } /** + * mips_cdmm_phys_base() - Choose a physical base address for CDMM region. + * + * Picking a suitable physical address at which to map the CDMM region is + * platform specific, so this weak function can be overridden by platform + * code to pick a suitable value if none is configured by the bootloader. + */ +phys_addr_t __weak mips_cdmm_phys_base(void) +{ + return 0; +} + +/** * mips_cdmm_setup() - Ensure the CDMM bus is initialised and usable. * @bus: Pointer to bus information for current CPU. * IS_ERR(bus) is checked, so no need for caller to check. @@ -368,7 +380,7 @@ static int mips_cdmm_setup(struct mips_cdmm_bus *bus) if (!bus->phys) bus->phys = mips_cdmm_cur_base(); /* Otherwise, ask platform code for suggestions */ - if (!bus->phys && mips_cdmm_phys_base) + if (!bus->phys) bus->phys = mips_cdmm_phys_base(); /* Otherwise, copy what other CPUs have done */ if (!bus->phys) |