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Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR02MB3191 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191218_062444_308984_1CF76809 X-CRM114-Status: GOOD ( 17.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rajan Vaja , rajanv@xilinx.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 05. 12. 19 0:29, Jolly Shah wrote: > From: Rajan Vaja > > Add system shutdown API interface which asks firmware to > perform system shutdown/restart. > > Signed-off-by: Michal Simek > Signed-off-by: Rajan Vaja > Signed-off-by: Jolly Shah > --- > drivers/firmware/xilinx/zynqmp.c | 14 ++++++++++++++ > include/linux/firmware/xlnx-zynqmp.h | 4 +++- > 2 files changed, 17 insertions(+), 1 deletion(-) > > diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c > index 9836174..8dcf5a4 100644 > --- a/drivers/firmware/xilinx/zynqmp.c > +++ b/drivers/firmware/xilinx/zynqmp.c > @@ -690,6 +690,19 @@ static int zynqmp_pm_config_reg_access(u32 register_access_id, u32 address, > address, mask, value, out); > } > > +/** > + * zynqmp_pm_system_shutdown - PM call to request a system shutdown or restart > + * @type: Shutdown or restart? 0 for shutdown, 1 for restart > + * @subtype: Specifies which system should be restarted or shut down > + * > + * Return: Returns status, either success or error+reason > + */ > +static int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype) > +{ > + return zynqmp_pm_invoke_fn(PM_SYSTEM_SHUTDOWN, type, subtype, > + 0, 0, NULL); > +} > + > static const struct zynqmp_eemi_ops eemi_ops = { > .get_api_version = zynqmp_pm_get_api_version, > .get_chipid = zynqmp_pm_get_chipid, > @@ -714,6 +727,7 @@ static const struct zynqmp_eemi_ops eemi_ops = { > .fpga_load = zynqmp_pm_fpga_load, > .fpga_get_status = zynqmp_pm_fpga_get_status, > .register_access = zynqmp_pm_config_reg_access, > + .system_shutdown = zynqmp_pm_system_shutdown, > }; > > /** > diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h > index bf6e9db..b96ea5d 100644 > --- a/include/linux/firmware/xlnx-zynqmp.h > +++ b/include/linux/firmware/xlnx-zynqmp.h > @@ -61,7 +61,8 @@ > > enum pm_api_id { > PM_GET_API_VERSION = 1, > - PM_REQUEST_NODE = 13, > + PM_SYSTEM_SHUTDOWN = 12, > + PM_REQUEST_NODE, > PM_RELEASE_NODE, > PM_SET_REQUIREMENT, > PM_RESET_ASSERT = 17, > @@ -322,6 +323,7 @@ struct zynqmp_eemi_ops { > const enum zynqmp_pm_request_ack ack); > int (*register_access)(u32 register_access_id, u32 address, > u32 mask, u32 value, u32 *out); > + int (*system_shutdown)(const u32 type, const u32 subtype); > }; > > int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1, > This looks good to me. Acked-by: Michal Simek Thanks, Michal _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel