diff options
Diffstat (limited to 'drivers/base/regmap/regmap-mmio.c')
| -rw-r--r-- | drivers/base/regmap/regmap-mmio.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c index febd6de6c8ac..f05fc74dd84a 100644 --- a/drivers/base/regmap/regmap-mmio.c +++ b/drivers/base/regmap/regmap-mmio.c @@ -37,7 +37,7 @@ static int regmap_mmio_gather_write(void *context, BUG_ON(reg_size != 4); - offset = be32_to_cpup(reg); + offset = *(u32 *)reg; while (val_size) { switch (ctx->val_bytes) { @@ -45,14 +45,14 @@ static int regmap_mmio_gather_write(void *context, writeb(*(u8 *)val, ctx->regs + offset); break; case 2: - writew(be16_to_cpup(val), ctx->regs + offset); + writew(*(u16 *)val, ctx->regs + offset); break; case 4: - writel(be32_to_cpup(val), ctx->regs + offset); + writel(*(u32 *)val, ctx->regs + offset); break; #ifdef CONFIG_64BIT case 8: - writeq(be64_to_cpup(val), ctx->regs + offset); + writeq(*(u64 *)val, ctx->regs + offset); break; #endif default: @@ -83,7 +83,7 @@ static int regmap_mmio_read(void *context, BUG_ON(reg_size != 4); - offset = be32_to_cpup(reg); + offset = *(u32 *)reg; while (val_size) { switch (ctx->val_bytes) { @@ -91,14 +91,14 @@ static int regmap_mmio_read(void *context, *(u8 *)val = readb(ctx->regs + offset); break; case 2: - *(u16 *)val = cpu_to_be16(readw(ctx->regs + offset)); + *(u16 *)val = readw(ctx->regs + offset); break; case 4: - *(u32 *)val = cpu_to_be32(readl(ctx->regs + offset)); + *(u32 *)val = readl(ctx->regs + offset); break; #ifdef CONFIG_64BIT case 8: - *(u64 *)val = cpu_to_be32(readq(ctx->regs + offset)); + *(u64 *)val = readq(ctx->regs + offset); break; #endif default: @@ -124,9 +124,11 @@ static struct regmap_bus regmap_mmio = { .gather_write = regmap_mmio_gather_write, .read = regmap_mmio_read, .free_context = regmap_mmio_free_context, + .reg_format_endian_default = REGMAP_ENDIAN_NATIVE, + .val_format_endian_default = REGMAP_ENDIAN_NATIVE, }; -struct regmap_mmio_context *regmap_mmio_gen_context(void __iomem *regs, +static struct regmap_mmio_context *regmap_mmio_gen_context(void __iomem *regs, const struct regmap_config *config) { struct regmap_mmio_context *ctx; @@ -162,7 +164,15 @@ struct regmap_mmio_context *regmap_mmio_gen_context(void __iomem *regs, if (config->reg_stride < min_stride) return ERR_PTR(-EINVAL); - ctx = kzalloc(GFP_KERNEL, sizeof(*ctx)); + switch (config->reg_format_endian) { + case REGMAP_ENDIAN_DEFAULT: + case REGMAP_ENDIAN_NATIVE: + break; + default: + return ERR_PTR(-EINVAL); + } + + ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) return ERR_PTR(-ENOMEM); |