From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Alan Tull Subject: [RESEND PATCH v3 1/4] fpga: region: don't use drvdata in common fpga code Date: Tue, 27 Mar 2018 14:59:54 -0500 Message-Id: <20180327195957.3878-2-atull@kernel.org> In-Reply-To: <20180327195957.3878-1-atull@kernel.org> References: <20180327195957.3878-1-atull@kernel.org> To: Moritz Fischer Cc: Anatolij Gustschin , Matthew Gerlach , Joel Holdsworth , Florian Fainelli , Joshua Clayton , Dinh Nguyen , Alan Tull , linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org List-ID: Part of patchset that changes the following fpga_*_register functions to not set drvdata: * fpga_region_register. * fpga_mgr_register * fpga_bridge_register The rationale is that setting drvdata is fine for DT based devices that will have one manager, bridge, or region per platform device. However PCIe based devices may have multiple FPGA mgr/bridge/regions under one PCIe device. Without these changes, the PCIe solution has to create an extra device for each child mgr/bridge/region to hold drvdata. Signed-off-by: Alan Tull Reported-by: Jiuyue Ma Acked-by: Moritz Fischer --- v2: No change to this patch in v2 of patchset v3: Add Moritz' ack --- drivers/fpga/fpga-region.c | 1 - drivers/fpga/of-fpga-region.c | 1 + 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index edab2a2e03ef..ebe1f872810d 100644 --- a/drivers/fpga/fpga-region.c +++ b/drivers/fpga/fpga-region.c @@ -178,7 +178,6 @@ int fpga_region_register(struct device *dev, struct fpga_region *region) region->dev.parent = dev; region->dev.of_node = dev->of_node; region->dev.id = id; - dev_set_drvdata(dev, region); ret = dev_set_name(®ion->dev, "region%d", id); if (ret) diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c index 119ff75522f1..35e7e8c4a0cb 100644 --- a/drivers/fpga/of-fpga-region.c +++ b/drivers/fpga/of-fpga-region.c @@ -438,6 +438,7 @@ static int of_fpga_region_probe(struct platform_device *pdev) goto eprobe_mgr_put; of_platform_populate(np, fpga_region_of_match, NULL, ®ion->dev); + dev_set_drvdata(dev, region); dev_info(dev, "FPGA Region probed\n"); -- 2.14.2