linux-toradex.git/drivers/reset/reset-rzg2l-usbphy-ctrl.c, branch v6.6-rc6 Linux kernel for Apalis and Colibri modules reset: renesas: Check return value of reset_control_deassert() 2022-04-04T09:00:27+00:00 Heiner Kallweit hkallweit1@gmail.com 2021-12-15T10:25:46+00:00 da18980a855edf44270f05455e0ec3f2472f64cc Deasserting the reset is vital, therefore bail out in case of error. Suggested-by: Biju Das <biju.das.jz@bp.renesas.com> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@gmail.com Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
Deasserting the reset is vital, therefore bail out in case of error.

Suggested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
reset: renesas: Fix Runtime PM usage 2021-12-15T10:20:30+00:00 Heiner Kallweit hkallweit1@gmail.com 2021-12-15T10:14:23+00:00 92c959bae2e54ba1e2540ba5f813f7752bd76be1 If pm_runtime_resume_and_get() fails then it returns w/o the RPM usage counter being incremented. In this case call pm_runtime_put() in remove() will result in a usage counter imbalance. Therefore check the return code of pm_runtime_resume_and_get() and bail out in case of error. Fixes: bee08559701f ("reset: renesas: Add RZ/G2L usbphy control driver") Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/ec24e13f-0530-b091-7a08-864577b9b3be@gmail.com Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
If pm_runtime_resume_and_get() fails then it returns w/o the RPM usage
counter being incremented. In this case call pm_runtime_put() in
remove() will result in a usage counter imbalance. Therefore check the
return code of pm_runtime_resume_and_get() and bail out in case of error.

Fixes: bee08559701f ("reset: renesas: Add RZ/G2L usbphy control driver")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/ec24e13f-0530-b091-7a08-864577b9b3be@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
reset: renesas: Add RZ/G2L usbphy control driver 2021-07-27T13:54:39+00:00 Biju Das biju.das.jz@bp.renesas.com 2021-07-19T12:19:32+00:00 bee08559701fb98b43d7061717e7c3131230aa69 Add support for RZ/G2L USBPHY Control driver. It mainly controls reset and power down of the USB/PHY. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20210719121938.6532-5-biju.das.jz@bp.renesas.com Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> 
Add support for RZ/G2L USBPHY Control driver. It mainly controls
reset and power down of the USB/PHY.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210719121938.6532-5-biju.das.jz@bp.renesas.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>