diff options
Diffstat (limited to 'drivers/soc/mediatek/mtk-mmsys.c')
| -rw-r--r-- | drivers/soc/mediatek/mtk-mmsys.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index e95bb118cd98..ae8d7076c42c 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -324,6 +324,15 @@ static int mtk_mmsys_reset_update(struct reset_controller_dev *rcdev, unsigned l u32 offset; u32 reg; + if (mmsys->data->rst_tb) { + if (id >= mmsys->data->num_resets) { + dev_err(rcdev->dev, "Invalid reset ID: %lu (>=%u)\n", + id, mmsys->data->num_resets); + return -EINVAL; + } + id = mmsys->data->rst_tb[id]; + } + offset = (id / MMSYS_SW_RESET_PER_REG) * sizeof(u32); id = id % MMSYS_SW_RESET_PER_REG; reg = mmsys->data->sw0_rst_offset + offset; |