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[75.142.250.213]) by smtp.gmail.com with ESMTPSA id 15sm2409859oij.26.2021.06.07.10.24.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 10:24:34 -0700 (PDT) From: trix@redhat.com To: hao.wu@intel.com, mdf@kernel.org, michal.simek@xilinx.com Cc: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tom Rix Subject: [PATCH 5/7] fpga: wrap the state() op Date: Mon, 7 Jun 2021 10:24:00 -0700 Message-Id: <20210607172402.2938697-6-trix@redhat.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210607172402.2938697-1-trix@redhat.com> References: <20210607172402.2938697-1-trix@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=trix@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210607_102439_662800_555D97D4 X-CRM114-Status: GOOD ( 14.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 From: Tom Rix The board should not be required to provide a state() op. Add a wrapper consistent with the other op wrappers. Move op check to wrapper. Default to FPGA_MGR_STATE_UNKNOWN, what noop state() uses. Remove unneeded noop state() ops Signed-off-by: Tom Rix --- drivers/fpga/dfl-fme-mgr.c | 6 ------ drivers/fpga/fpga-mgr.c | 11 +++++++++-- drivers/fpga/stratix10-soc.c | 6 ------ drivers/fpga/ts73xx-fpga.c | 6 ------ 4 files changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c index d5861d13b306..313420405d5e 100644 --- a/drivers/fpga/dfl-fme-mgr.c +++ b/drivers/fpga/dfl-fme-mgr.c @@ -252,11 +252,6 @@ static int fme_mgr_write_complete(struct fpga_manager *mgr, return 0; } -static enum fpga_mgr_states fme_mgr_state(struct fpga_manager *mgr) -{ - return FPGA_MGR_STATE_UNKNOWN; -} - static u64 fme_mgr_status(struct fpga_manager *mgr) { struct fme_mgr_priv *priv = mgr->priv; @@ -268,7 +263,6 @@ static const struct fpga_manager_ops fme_mgr_ops = { .write_init = fme_mgr_write_init, .write = fme_mgr_write, .write_complete = fme_mgr_write_complete, - .state = fme_mgr_state, .status = fme_mgr_status, }; diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index cc531f0537ac..d06752be9c6e 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -589,7 +589,7 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, struct fpga_manager *mgr; int id, ret; - if (!mops || !mops->state) { + if (!mops) { dev_err(dev, "Attempt to register without fpga_manager_ops\n"); return NULL; } @@ -692,6 +692,13 @@ struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name, } EXPORT_SYMBOL_GPL(devm_fpga_mgr_create); +static enum fpga_mgr_states fpga_mgr_state(struct fpga_manager *mgr) +{ + if (mgr->mops && mgr->mops->state) + return mgr->mops->state(mgr); + return FPGA_MGR_STATE_UNKNOWN; +} + /** * fpga_mgr_register - register a FPGA manager * @mgr: fpga manager struct @@ -707,7 +714,7 @@ int fpga_mgr_register(struct fpga_manager *mgr) * from device. FPGA may be in reset mode or may have been programmed * by bootloader or EEPROM. */ - mgr->state = mgr->mops->state(mgr); + mgr->state = fpga_mgr_state(mgr); ret = device_add(&mgr->dev); if (ret) diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c index 657a70c5fc99..5219fa1b555a 100644 --- a/drivers/fpga/stratix10-soc.c +++ b/drivers/fpga/stratix10-soc.c @@ -388,13 +388,7 @@ static int s10_ops_write_complete(struct fpga_manager *mgr, return ret; } -static enum fpga_mgr_states s10_ops_state(struct fpga_manager *mgr) -{ - return FPGA_MGR_STATE_UNKNOWN; -} - static const struct fpga_manager_ops s10_ops = { - .state = s10_ops_state, .write_init = s10_ops_write_init, .write = s10_ops_write, .write_complete = s10_ops_write_complete, diff --git a/drivers/fpga/ts73xx-fpga.c b/drivers/fpga/ts73xx-fpga.c index 101f016c6ed8..167abb0b08d4 100644 --- a/drivers/fpga/ts73xx-fpga.c +++ b/drivers/fpga/ts73xx-fpga.c @@ -32,11 +32,6 @@ struct ts73xx_fpga_priv { struct device *dev; }; -static enum fpga_mgr_states ts73xx_fpga_state(struct fpga_manager *mgr) -{ - return FPGA_MGR_STATE_UNKNOWN; -} - static int ts73xx_fpga_write_init(struct fpga_manager *mgr, struct fpga_image_info *info, const char *buf, size_t count) @@ -98,7 +93,6 @@ static int ts73xx_fpga_write_complete(struct fpga_manager *mgr, } static const struct fpga_manager_ops ts73xx_fpga_ops = { - .state = ts73xx_fpga_state, .write_init = ts73xx_fpga_write_init, .write = ts73xx_fpga_write, .write_complete = ts73xx_fpga_write_complete, -- 2.26.3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel