diff options
| author | Alan Tull <atull@kernel.org> | 2018-05-16 18:49:55 -0500 | 
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-25 18:23:55 +0200 | 
| commit | 7085e2a94f7df5f419e3cfb2fe809ce6564e9629 (patch) | |
| tree | b0609f2d091aae39e00609357d5e6de678887bef /drivers/fpga/socfpga-a10.c | |
| parent | bbaa9cd3a605e337cefc566e5ac1b110763c8d1c (diff) | |
fpga: manager: change api, don't use drvdata
Change fpga_mgr_register to not set or use drvdata.  This supports
the case where a PCIe device has more than one manager.
Add fpga_mgr_create/free functions.  Change fpga_mgr_register and
fpga_mgr_unregister functions to take the mgr struct as their only
parameter.
  struct fpga_manager *fpga_mgr_create(struct device *dev,
                const char *name,
                const struct fpga_manager_ops *mops,
                void *priv);
  void fpga_mgr_free(struct fpga_manager *mgr);
  int fpga_mgr_register(struct fpga_manager *mgr);
  void fpga_mgr_unregister(struct fpga_manager *mgr);
Update the drivers that call fpga_mgr_register with the new API.
Signed-off-by: Alan Tull <atull@kernel.org>
[Moritz: Fixup whitespace issue]
Reported-by: Jiuyue Ma <majiuyue@huawei.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fpga/socfpga-a10.c')
| -rw-r--r-- | drivers/fpga/socfpga-a10.c | 14 | 
1 files changed, 11 insertions, 3 deletions
| diff --git a/drivers/fpga/socfpga-a10.c b/drivers/fpga/socfpga-a10.c index a46e343a5b72..dec3db5cdab1 100644 --- a/drivers/fpga/socfpga-a10.c +++ b/drivers/fpga/socfpga-a10.c @@ -482,6 +482,7 @@ static int socfpga_a10_fpga_probe(struct platform_device *pdev)  	struct device *dev = &pdev->dev;  	struct a10_fpga_priv *priv;  	void __iomem *reg_base; +	struct fpga_manager *mgr;  	struct resource *res;  	int ret; @@ -519,9 +520,16 @@ static int socfpga_a10_fpga_probe(struct platform_device *pdev)  		return -EBUSY;  	} -	ret = fpga_mgr_register(dev, "SoCFPGA Arria10 FPGA Manager", -				 &socfpga_a10_fpga_mgr_ops, priv); +	mgr = fpga_mgr_create(dev, "SoCFPGA Arria10 FPGA Manager", +			      &socfpga_a10_fpga_mgr_ops, priv); +	if (!mgr) +		return -ENOMEM; + +	platform_set_drvdata(pdev, mgr); + +	ret = fpga_mgr_register(mgr);  	if (ret) { +		fpga_mgr_free(mgr);  		clk_disable_unprepare(priv->clk);  		return ret;  	} @@ -534,7 +542,7 @@ static int socfpga_a10_fpga_remove(struct platform_device *pdev)  	struct fpga_manager *mgr = platform_get_drvdata(pdev);  	struct a10_fpga_priv *priv = mgr->priv; -	fpga_mgr_unregister(&pdev->dev); +	fpga_mgr_unregister(mgr);  	clk_disable_unprepare(priv->clk);  	return 0; | 
