diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/pinctrl-single.c | 13 | ||||
| -rw-r--r-- | drivers/reset/reset-uclass.c | 2 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 48bdd0f6f5..ebb7602dde 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -295,7 +295,7 @@ static int single_configure_pins(struct udevice *dev, func->npins = 0; for (n = 0; n < count; n++, pins++) { offset = fdt32_to_cpu(pins->reg); - if (offset < 0 || offset > pdata->offset) { + if (offset > pdata->offset) { dev_err(dev, " invalid register offset 0x%x\n", offset); continue; @@ -335,6 +335,10 @@ static int single_configure_bits(struct udevice *dev, phys_addr_t reg; u32 offset, val, mask, bit_pos, val_pos, mask_pos, submask; + /* If function mask is null, needn't enable it. */ + if (!pdata->mask) + return 0; + npins_in_reg = pdata->width / priv->bits_per_pin; func = single_allocate_function(dev, count * npins_in_reg); if (IS_ERR(func)) @@ -344,7 +348,7 @@ static int single_configure_bits(struct udevice *dev, func->npins = 0; for (n = 0; n < count; n++, pins++) { offset = fdt32_to_cpu(pins->reg); - if (offset < 0 || offset > pdata->offset) { + if (offset > pdata->offset) { dev_dbg(dev, " invalid register offset 0x%x\n", offset); continue; @@ -469,6 +473,11 @@ static int single_probe(struct udevice *dev) priv->npins = size / (pdata->width / BITS_PER_BYTE); if (pdata->bits_per_mux) { + if (!pdata->mask) { + dev_err(dev, "function mask needs to be non-zero\n"); + return -EINVAL; + } + priv->bits_per_pin = fls(pdata->mask); priv->npins *= (pdata->width / priv->bits_per_pin); } diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c index 071c389ca0..ac89eaf098 100644 --- a/drivers/reset/reset-uclass.c +++ b/drivers/reset/reset-uclass.c @@ -95,7 +95,7 @@ int reset_get_by_index_nodev(ofnode node, int index, int ret; ret = ofnode_parse_phandle_with_args(node, "resets", "#reset-cells", 0, - index > 0, &args); + index, &args); return reset_get_by_index_tail(ret, node, &args, "resets", index > 0, reset_ctl); |