Commit ba845907 authored by Linus Walleij's avatar Linus Walleij
Browse files

Merge tag 'intel-pinctrl-v5.12-3' of... 

Merge tag 'intel-pinctrl-v5.12-3' of gitolite.kernel.org:pub/scm/linux/kernel/git/pinctrl/intel into fixes

intel-pinctrl for v5.12-3

* Check if device is present, which is not the case in Xen

The following is an automated git shortlog grouped by driver:

intel:
 -  check REVID register value for device presence
parents 58b5ada8 39c1f1bd

drivers/pinctrl/intel/pinctrl-intel.c

+6 −1
Original line number Diff line number Diff line
@@ -1493,8 +1493,13 @@ 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;