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x-ms-exchange-antispam-messagedata: ZoPgZn0JysQM10TmoWJKYgKan1Sk+ReFSh8BNsMZBaPGR2UryUFfR55Zbb38Szp5u+hrBS30Y4MfATXWrm49xGXSZbKIvWyKNxCbgjAZ+O9t97PrBnFIfY0kwuyLujWeI0djL0ymiq612E++4OcR9Z8aZI4sSVVFa7Iy68WTQHCNka7zzeS6o6UEH91iO6j5Pi4/jSjWXODjD3PVoGrcn6+qoTJuL4kcixkVo1pjaLhvgycCPKlSpSsCzJDE95NRxHSkOQ32uCakI+dRfq7+CzV3BrZDjkc/T5W37B5wI/UywnoVojS1c70Lq0EhiVM/f6loh0f641kl14DrMu0HIiz16S8DIFx79Wx2srz0nxASoKq4msdoIv0eLOqvqPmHuxJT5xgWfAg1sRZ3rM0FVOUryhVGtelP2dEQJsJKO4uLr3JPHhZcgsSoiP0SHibtVieSBl47PS1xIBlQ9Sm4tEYBHGAk6bSPkiplYSD+WYs= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4358e10f-6f4b-4d2f-ad86-08d802aa15b1 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 May 2020 01:54:40.3107 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: NPLGJL7QiZCT5z4XJZWb/HC1DJaUMKzV2Lmn8fWUOHE6ap9ABwRYHrKVykABgjrNzHm+BNowmbkoLIL0yj6O2g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3644 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Gentle ping... > Subject: [PATCH 1/2] firmware: imx: make sure MU irq can wake up system > from suspend mode >=20 > IRQF_NO_SUSPEND flag is set for MU IRQ of IPC work, but with this flag se= t, > IRQD_WAKEUP_ARMED flag will NOT be set during > suspend_device_irq() phase, then when MU IRQ arrives, it will NOT wake up > system from suspend. >=20 > To fix this issue, pm_system_wakeup() is called in general MU IRQ handler= to > make sure system can be waked up when MU IRQ arrives. >=20 > Signed-off-by: Anson Huang > --- > drivers/firmware/imx/imx-scu-irq.c | 2 ++ > 1 file changed, 2 insertions(+) >=20 > diff --git a/drivers/firmware/imx/imx-scu-irq.c > b/drivers/firmware/imx/imx-scu-irq.c > index db655e8..d9dcc20 100644 > --- a/drivers/firmware/imx/imx-scu-irq.c > +++ b/drivers/firmware/imx/imx-scu-irq.c > @@ -10,6 +10,7 @@ > #include > #include > #include > +#include >=20 > #define IMX_SC_IRQ_FUNC_ENABLE 1 > #define IMX_SC_IRQ_FUNC_STATUS 2 > @@ -91,6 +92,7 @@ static void imx_scu_irq_work_handler(struct work_struct > *work) > if (!irq_status) > continue; >=20 > + pm_system_wakeup(); > imx_scu_irq_notifier_call_chain(irq_status, &i); > } > } > -- > 2.7.4