pinctrl: intel: Introduce intel_restore_hostown() helper
Refactor restoring HOSTSW_OWN registers by using an introduced helper. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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@ -1607,6 +1607,25 @@ intel_gpio_update_pad_mode(void __iomem *hostown, u32 mask, u32 value)
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return curr;
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}
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static void intel_restore_hostown(struct intel_pinctrl *pctrl, unsigned int c,
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void __iomem *base, unsigned int gpp, u32 saved)
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{
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const struct intel_community *community = &pctrl->communities[c];
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const struct intel_padgroup *padgrp = &community->gpps[gpp];
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struct device *dev = pctrl->dev;
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u32 requested, value;
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if (padgrp->gpio_base < 0)
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return;
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requested = intel_gpio_is_requested(&pctrl->chip, padgrp->gpio_base, padgrp->size);
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value = intel_gpio_update_pad_mode(base + gpp * 4, requested, saved);
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if (!((value ^ saved) & requested))
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return;
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dev_warn(dev, "restored hostown %u/%u %#8x->%#8x\n", c, gpp, value, saved);
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}
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static void intel_restore_padcfg(struct intel_pinctrl *pctrl, unsigned int pin,
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unsigned int reg, u32 saved)
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{
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@ -1664,23 +1683,8 @@ int intel_pinctrl_resume_noirq(struct device *dev)
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}
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base = community->regs + community->hostown_offset;
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for (gpp = 0; gpp < community->ngpps; gpp++) {
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const struct intel_padgroup *padgrp = &community->gpps[gpp];
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u32 requested = 0, value = 0;
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u32 saved = communities[i].hostown[gpp];
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if (padgrp->gpio_base < 0)
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continue;
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requested = intel_gpio_is_requested(&pctrl->chip,
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padgrp->gpio_base, padgrp->size);
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value = intel_gpio_update_pad_mode(base + gpp * 4,
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requested, saved);
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if ((value ^ saved) & requested) {
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dev_warn(dev, "restore hostown %d/%u %#8x->%#8x\n",
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i, gpp, value, saved);
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}
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}
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for (gpp = 0; gpp < community->ngpps; gpp++)
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intel_restore_hostown(pctrl, i, base, gpp, communities[i].hostown[gpp]);
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}
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return 0;
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