To initialize register NWL_DSI_IRQ_MASK, it's enough to write it only once in function nwl_dsi_init_interrupts(). Signed-off-by: Liu Ying <victor.liu@xxxxxxx> --- drivers/gpu/drm/bridge/nwl-dsi.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c index af07eeb47ca0..fcc4a2889ad4 100644 --- a/drivers/gpu/drm/bridge/nwl-dsi.c +++ b/drivers/gpu/drm/bridge/nwl-dsi.c @@ -333,17 +333,13 @@ static int nwl_dsi_config_dpi(struct nwl_dsi *dsi) static int nwl_dsi_init_interrupts(struct nwl_dsi *dsi) { - u32 irq_enable; - - nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, 0xffffffff); - nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK2, 0x7); - - irq_enable = ~(u32)(NWL_DSI_TX_PKT_DONE_MASK | - NWL_DSI_RX_PKT_HDR_RCVD_MASK | - NWL_DSI_TX_FIFO_OVFLW_MASK | - NWL_DSI_HS_TX_TIMEOUT_MASK); + u32 irq_enable = ~(u32)(NWL_DSI_TX_PKT_DONE_MASK | + NWL_DSI_RX_PKT_HDR_RCVD_MASK | + NWL_DSI_TX_FIFO_OVFLW_MASK | + NWL_DSI_HS_TX_TIMEOUT_MASK); nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, irq_enable); + nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK2, 0x7); return nwl_dsi_clear_error(dsi); } -- 2.25.1