mirror of
https://github.com/Ysurac/openmptcprouter.git
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45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From 9c19c531dc98d7ba49b44802a607042e763ebe21 Mon Sep 17 00:00:00 2001
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From: Peter Geis <pgwipeout@gmail.com>
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Date: Wed, 15 Dec 2021 16:02:47 -0500
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Subject: [PATCH] phy: phy-rockchip-inno-usb2: support #address_cells = 2
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New Rockchip devices have the usb phy nodes as standalone devices.
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These nodes have register nodes with #address_cells = 2, but only use 32
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bit addresses.
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Adjust the driver to check if the returned address is "0", and adjust
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the index in that case.
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Signed-off-by: Peter Geis <pgwipeout@gmail.com>
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Tested-by: Michael Riesch <michael.riesch@wolfvision.net>
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Link: https://lore.kernel.org/r/20211215210252.120923-4-pgwipeout@gmail.com
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Signed-off-by: Vinod Koul <vkoul@kernel.org>
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---
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drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
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+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
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@@ -1098,12 +1098,21 @@ static int rockchip_usb2phy_probe(struct
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rphy->usbgrf = NULL;
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}
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- if (of_property_read_u32(np, "reg", ®)) {
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+ if (of_property_read_u32_index(np, "reg", 0, ®)) {
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dev_err(dev, "the reg property is not assigned in %pOFn node\n",
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np);
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return -EINVAL;
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}
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+ /* support address_cells=2 */
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+ if (reg == 0) {
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+ if (of_property_read_u32_index(np, "reg", 1, ®)) {
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+ dev_err(dev, "the reg property is not assigned in %pOFn node\n",
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+ np);
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+ return -EINVAL;
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+ }
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+ }
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+
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rphy->dev = dev;
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phy_cfgs = match->data;
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rphy->chg_state = USB_CHG_STATE_UNDEFINED;
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