X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=drivers%2Fmfd%2Fanatop-mfd.c;h=6da06341f6c909312afea387e875fe82cc1592b8;hb=e269f90f3d3f7c70cf661c660bf445597261f54a;hp=2af42480635ec458f868bd180839b79050bbd6de;hpb=923f79743c76583ed4684e2c80c8da51a7268af3;p=cascardo%2Flinux.git diff --git a/drivers/mfd/anatop-mfd.c b/drivers/mfd/anatop-mfd.c index 2af42480635e..6da06341f6c9 100644 --- a/drivers/mfd/anatop-mfd.c +++ b/drivers/mfd/anatop-mfd.c @@ -41,39 +41,26 @@ #include #include -u32 anatop_get_bits(struct anatop *adata, u32 addr, int bit_shift, - int bit_width) +u32 anatop_read_reg(struct anatop *adata, u32 addr) { - u32 val, mask; - - if (bit_width == 32) - mask = ~0; - else - mask = (1 << bit_width) - 1; - - val = readl(adata->ioreg + addr); - val = (val >> bit_shift) & mask; - - return val; + return readl(adata->ioreg + addr); } -EXPORT_SYMBOL_GPL(anatop_get_bits); +EXPORT_SYMBOL_GPL(anatop_read_reg); -void anatop_set_bits(struct anatop *adata, u32 addr, int bit_shift, - int bit_width, u32 data) +void anatop_write_reg(struct anatop *adata, u32 addr, u32 data, u32 mask) { - u32 val, mask; + u32 val; - if (bit_width == 32) - mask = ~0; - else - mask = (1 << bit_width) - 1; + data &= mask; spin_lock(&adata->reglock); - val = readl(adata->ioreg + addr) & ~(mask << bit_shift); - writel((data << bit_shift) | val, adata->ioreg + addr); + val = readl(adata->ioreg + addr); + val &= ~mask; + val |= data; + writel(val, adata->ioreg + addr); spin_unlock(&adata->reglock); } -EXPORT_SYMBOL_GPL(anatop_set_bits); +EXPORT_SYMBOL_GPL(anatop_write_reg); static const struct of_device_id of_anatop_match[] = { { .compatible = "fsl,imx6q-anatop", },