Commit ce97126d authored by Alexander Usyskin's avatar Alexander Usyskin Committed by Daniele Ceraolo Spurio
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mei: gsc: setup char driver alive in spite of firmware handshake failure 



Setup char device in spite of firmware handshake failure.
In order to provide host access to the firmware status registers and other
information required for the manufacturing process.

Signed-off-by: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Reviewed-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220419193314.526966-4-daniele.ceraolospurio@intel.com
parent a98c30fd

drivers/misc/mei/gsc-me.c

+6 −6
Original line number Diff line number Diff line
@@ -79,11 +79,12 @@ static int mei_gsc_probe(struct auxiliary_device *aux_dev, 
	pm_runtime_set_active(device);

	pm_runtime_enable(device);



	if (mei_start(dev)) {

		dev_err(device, "init hw failure.\n");

		ret = -ENODEV;

		goto irq_err;

	}

	/* Continue to char device setup in spite of firmware handshake failure.

	 * In order to provide access to the firmware status registers to the user

	 * space via sysfs.

	 */

	if (mei_start(dev))

		dev_warn(device, "init hw failure.\n");



	pm_runtime_set_autosuspend_delay(device, MEI_GSC_RPM_TIMEOUT);

	pm_runtime_use_autosuspend(device);
@@ -97,7 +98,6 @@ static int mei_gsc_probe(struct auxiliary_device *aux_dev, 


register_err:

	mei_stop(dev);

irq_err:

	devm_free_irq(device, hw->irq, dev);



err: