{
u32 enable_mask, enable_shift;
u32 pipd_mask, pipd_shift;
- u32 reg;
if (!dsi->syscon)
return 0;
return -ENODEV;
}
- regmap_read(dsi->syscon, OMAP4_DSIPHY_SYSCON_OFFSET, ®);
-
- reg &= ~enable_mask;
- reg &= ~pipd_mask;
-
- reg |= (lanes << enable_shift) & enable_mask;
- reg |= (lanes << pipd_shift) & pipd_mask;
-
- regmap_write(dsi->syscon, OMAP4_DSIPHY_SYSCON_OFFSET, reg);
-
- return 0;
+ return regmap_update_bits(dsi->syscon, OMAP4_DSIPHY_SYSCON_OFFSET,
+ enable_mask | pipd_mask,
+ (lanes << enable_shift) | (lanes << pipd_shift));
}
static int dsi_enable_pads(struct dsi_data *dsi, unsigned int lane_mask)