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Thu, 11 Feb 2021 15:23:34 -0800 (PST) From: Nobuhiro Iwamatsu To: michal.simek@xilinx.com Subject: [PATCH v2] firmware: xilinx: Remove zynqmp_pm_get_eemi_ops() in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE) Date: Fri, 12 Feb 2021 08:23:12 +0900 Message-Id: <20210211232312.2082334-1-iwamatsu@nigauri.org> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210211_182337_206297_0C737AED X-CRM114-Status: GOOD ( 14.13 ) 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: Nobuhiro Iwamatsu , 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org zynqmp_pm_get_eemi_ops() was removed in commit 4db8180ffe7c: "Firmware: xilinx: Remove eemi ops for fpga related APIs", but not in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE). Any driver who want to communicate with PMC using EEMI APIs use the functions provided for each function. This removed zynqmp_pm_get_eemi_ops() in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE), and also modify the documentation for this driver. Fixes: 4db8180ffe7c ("firmware: xilinx: Remove eemi ops for fpga related APIs") Signed-off-by: Nobuhiro Iwamatsu --- v2: Added the comment pointed out by Michal. Documentation/driver-api/xilinx/eemi.rst | 27 +----------------------- include/linux/firmware/xlnx-zynqmp.h | 5 ----- 2 files changed, 1 insertion(+), 31 deletions(-) diff --git a/Documentation/driver-api/xilinx/eemi.rst b/Documentation/driver-api/xilinx/eemi.rst index 9dcbc6f18d75df..53416d25d309a8 100644 --- a/Documentation/driver-api/xilinx/eemi.rst +++ b/Documentation/driver-api/xilinx/eemi.rst @@ -19,32 +19,7 @@ device to issue or respond to power management requests. EEMI ops is a structure containing all eemi APIs supported by Zynq MPSoC. The zynqmp-firmware driver maintain all EEMI APIs in zynqmp_eemi_ops structure. Any driver who want to communicate with PMC using EEMI APIs -can call zynqmp_pm_get_eemi_ops(). - -Example of EEMI ops:: - - /* zynqmp-firmware driver maintain all EEMI APIs */ - struct zynqmp_eemi_ops { - int (*get_api_version)(u32 *version); - int (*query_data)(struct zynqmp_pm_query_data qdata, u32 *out); - }; - - static const struct zynqmp_eemi_ops eemi_ops = { - .get_api_version = zynqmp_pm_get_api_version, - .query_data = zynqmp_pm_query_data, - }; - -Example of EEMI ops usage:: - - static const struct zynqmp_eemi_ops *eemi_ops; - u32 ret_payload[PAYLOAD_ARG_CNT]; - int ret; - - eemi_ops = zynqmp_pm_get_eemi_ops(); - if (IS_ERR(eemi_ops)) - return PTR_ERR(eemi_ops); - - ret = eemi_ops->query_data(qdata, ret_payload); +use the functions provided for each function. IOCTL ------ diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 2a0da841c942f6..4ef77deaf7918c 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -355,11 +355,6 @@ int zynqmp_pm_read_pggs(u32 index, u32 *value); int zynqmp_pm_system_shutdown(const u32 type, const u32 subtype); int zynqmp_pm_set_boot_health_status(u32 value); #else -static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) -{ - return ERR_PTR(-ENODEV); -} - static inline int zynqmp_pm_get_api_version(u32 *version) { return -ENODEV; -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel