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usb: typec: intel_pmc_mux: Defer probe if SCU IPC isn't present

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If pmc_usb_probe is called before SCU IPC is registered, pmc_usb_probe
will fail.

Return -EPROBE_DEFER when pmc_usb_probe doesn't get SCU IPC device, so
the probe function can be called again after SCU IPC is initialized.

Signed-off-by: Tomasz Michalec <tmichalec@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250610154058.1859812-1-tmichalec@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomasz Michalec
2025-06-10 17:40:58 +02:00
committed by Greg Kroah-Hartman
parent 503bbde34c
commit df9a825f33
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/typec/mux/intel_pmc_mux.c
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@@ -754,7 +754,7 @@ static int pmc_usb_probe(struct platform_device *pdev)
pmc->ipc = devm_intel_scu_ipc_dev_get(&pdev->dev);
if (!pmc->ipc)
return -ENODEV;
return -EPROBE_DEFER;
pmc->dev = &pdev->dev;