diff options
Diffstat (limited to 'drivers/reset/reset-socfpga.c')
| -rw-r--r-- | drivers/reset/reset-socfpga.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c index 79c32ca84ef1..0a8def35ea2e 100644 --- a/drivers/reset/reset-socfpga.c +++ b/drivers/reset/reset-socfpga.c @@ -76,9 +76,24 @@ static int socfpga_reset_deassert(struct reset_controller_dev *rcdev, return 0; } +static int socfpga_reset_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct socfpga_reset_data *data = container_of(rcdev, + struct socfpga_reset_data, rcdev); + int bank = id / BITS_PER_LONG; + int offset = id % BITS_PER_LONG; + u32 reg; + + reg = readl(data->membase + OFFSET_MODRST + (bank * NR_BANKS)); + + return !(reg & BIT(offset)); +} + static struct reset_control_ops socfpga_reset_ops = { .assert = socfpga_reset_assert, .deassert = socfpga_reset_deassert, + .status = socfpga_reset_status, }; static int socfpga_reset_probe(struct platform_device *pdev) @@ -135,7 +150,6 @@ static struct platform_driver socfpga_reset_driver = { .remove = socfpga_reset_remove, .driver = { .name = "socfpga-reset", - .owner = THIS_MODULE, .of_match_table = socfpga_reset_dt_ids, }, }; |