diff options
Diffstat (limited to 'drivers/pinctrl/intel')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.c | 7 | ||||
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-lewisburg.c | 6 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 795d60d9ebba..85750974d182 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -1492,8 +1492,13 @@ static int intel_pinctrl_probe(struct platform_device *pdev, if (IS_ERR(regs)) return PTR_ERR(regs); - /* Determine community features based on the revision */ + /* + * Determine community features based on the revision. + * A value of all ones means the device is not present. + */ value = readl(regs + REVID); + if (value == ~0u) + return -ENODEV; if (((value & REVID_MASK) >> REVID_SHIFT) >= 0x94) { community->features |= PINCTRL_FEATURE_DEBOUNCE; community->features |= PINCTRL_FEATURE_1K_PD; diff --git a/drivers/pinctrl/intel/pinctrl-lewisburg.c b/drivers/pinctrl/intel/pinctrl-lewisburg.c index 7fdf4257df1e..ad4b446d588e 100644 --- a/drivers/pinctrl/intel/pinctrl-lewisburg.c +++ b/drivers/pinctrl/intel/pinctrl-lewisburg.c @@ -299,9 +299,9 @@ static const struct pinctrl_pin_desc lbg_pins[] = { static const struct intel_community lbg_communities[] = { LBG_COMMUNITY(0, 0, 71), LBG_COMMUNITY(1, 72, 132), - LBG_COMMUNITY(3, 133, 144), - LBG_COMMUNITY(4, 145, 180), - LBG_COMMUNITY(5, 181, 246), + LBG_COMMUNITY(3, 133, 143), + LBG_COMMUNITY(4, 144, 178), + LBG_COMMUNITY(5, 179, 246), }; static const struct intel_pinctrl_soc_data lbg_soc_data = { |