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pinctrl: intel: Simplify offset validation in intel_get_padcfg() 

There is more generic and simpler validation just against the nregs.
Using it allows to drop customization from the intel_get_padcfg().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2019-07-23 18:55:14 +03:00
parent cfc1c34585
commit 7eb7ecddd3
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/intel/pinctrl-intel.c
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@ -165,7 +165,7 @@ static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl,
padno = pin_to_padno(community, pin);
nregs = (community->features & PINCTRL_FEATURE_DEBOUNCE) ? 4 : 2;
if (reg == PADCFG2 && !(community->features & PINCTRL_FEATURE_DEBOUNCE))
if (reg >= nregs * 4)
return NULL;
return community->pad_regs + reg + padno * nregs * 4;