On 18/08/2022 06:15, Bjorn Andersson wrote:
> The PMIC GLINK service runs on one of the co-processors of some modern
> Qualcomm platforms and implements USB-C and battery managements. It uses
> a message based protocol over GLINK for communication with the OS, hence
> the name.
>
> The driver implemented provides the rpmsg device for communication and
> uses auxilirary bus to spawn off individual devices in respsective
typos:
auxiliary
respective
> subsystem. The auxilirary devices are spawned off from a
auxiliary
> platform_device, so that the drm_bridge is available early, to allow the
> DisplayPort driver to probe even before the remoteproc has spun up.
>
(...)
> +
> +static int pmic_glink_init(void)
> +{
> + platform_driver_register(&pmic_glink_driver);
> + register_rpmsg_driver(&pmic_glink_rpmsg_driver);
> +
> + return 0;
> +};
> +module_init(pmic_glink_init);
> +
> +static void pmic_glink_exit(void)
> +{
> + platform_driver_unregister(&pmic_glink_driver);
> + unregister_rpmsg_driver(&pmic_glink_rpmsg_driver);
Shouldn't this be in reversed order of init()? So first unregister
rpmsg, then platform driver.
> +};
> +module_exit(pmic_glink_exit);
> +
> +MODULE_DESCRIPTION("Qualcomm PMIC GLINK driver");
> +MODULE_LICENSE("GPL");
> diff --git a/include/linux/soc/qcom/pmic_glink.h b/include/linux/soc/qcom/pmic_glink.h
> new file mode 100644
> index 000000000000..40470f8dfc1e
> --- /dev/null
> +++ b/include/linux/soc/qcom/pmic_glink.h
> @@ -0,0 +1,32 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2022, Linaro Ltd
> + */
> +#ifndef __PMIC_GLINK_H__
I propose more detailed guard:
__SOC_QCOM_PMIC_GLINK_H__
> +#define __PMIC_GLINK_H__
Best regards,
Krzysztof
