On Fri, May 21, 2021 at 11:27:19PM +0800, Xu Yilun wrote: > On Thu, May 20, 2021 at 06:03:57PM -0700, Russ Weight wrote: > > The FPGA manager class driver data structure is being treated as a > > managed resource instead of using standard dev_release call-back > > to release the class data structure. This change removes the > > managed resource code and combines the create() and register() > > functions into a single register() function. > > Using the dev_release to release the class dev data is good to me, but I > think we don't have to remove the devm_fpga_mgr_register function, which > saves users from calling fpga_mgr_unregister every time. > > > > > Signed-off-by: Russ Weight <russell.h.weight@xxxxxxxxx> > > --- > > drivers/fpga/altera-cvp.c | 12 +-- > > drivers/fpga/altera-pr-ip-core.c | 6 +- > > drivers/fpga/altera-ps-spi.c | 8 +- > > drivers/fpga/dfl-fme-mgr.c | 10 +- > > drivers/fpga/fpga-mgr.c | 177 ++++--------------------------- > > drivers/fpga/ice40-spi.c | 8 +- > > drivers/fpga/machxo2-spi.c | 8 +- > > drivers/fpga/socfpga-a10.c | 16 ++- > > drivers/fpga/socfpga.c | 8 +- > > drivers/fpga/stratix10-soc.c | 15 +-- > > drivers/fpga/ts73xx-fpga.c | 8 +- > > drivers/fpga/xilinx-spi.c | 10 +- > > drivers/fpga/zynq-fpga.c | 16 ++- > > drivers/fpga/zynqmp-fpga.c | 8 +- > > include/linux/fpga/fpga-mgr.h | 14 +-- > > 15 files changed, 74 insertions(+), 250 deletions(-) > > > > diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c > > index 4e0edb60bfba..b61020ceb0a1 100644 > > --- a/drivers/fpga/altera-cvp.c > > +++ b/drivers/fpga/altera-cvp.c > > @@ -652,19 +652,15 @@ static int altera_cvp_probe(struct pci_dev *pdev, > > snprintf(conf->mgr_name, sizeof(conf->mgr_name), "%s @%s", > > ALTERA_CVP_MGR_NAME, pci_name(pdev)); > > > > - mgr = devm_fpga_mgr_create(&pdev->dev, conf->mgr_name, > > - &altera_cvp_ops, conf); > > - if (!mgr) { > > - ret = -ENOMEM; > > + mgr = fpga_mgr_register(&pdev->dev, conf->mgr_name, > > + &altera_cvp_ops, conf); > > + if (IS_ERR(mgr)) { > > + ret = PTR_ERR(mgr); > > goto err_unmap; > > } > > > > pci_set_drvdata(pdev, mgr); > > > > - ret = fpga_mgr_register(mgr); > > - if (ret) > > - goto err_unmap; > > - > > return 0; > > > > err_unmap: > > diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c > > index 5b130c4d9882..2eb5505a7031 100644 > > --- a/drivers/fpga/altera-pr-ip-core.c > > +++ b/drivers/fpga/altera-pr-ip-core.c > > @@ -191,11 +191,9 @@ int alt_pr_register(struct device *dev, void __iomem *reg_base) > > (val & ALT_PR_CSR_STATUS_MSK) >> ALT_PR_CSR_STATUS_SFT, > > (int)(val & ALT_PR_CSR_PR_START)); > > > > - mgr = devm_fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, dev_name(dev), &alt_pr_ops, priv); > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > Many maintainers don't prefer unnecessary ternery operators which makes code > hard to read. We may change to normal conditional statement. > > Same below. > > > } > > EXPORT_SYMBOL_GPL(alt_pr_register); > > > > diff --git a/drivers/fpga/altera-ps-spi.c b/drivers/fpga/altera-ps-spi.c > > index 23bfd4d1ad0f..c9693d852a18 100644 > > --- a/drivers/fpga/altera-ps-spi.c > > +++ b/drivers/fpga/altera-ps-spi.c > > @@ -302,12 +302,10 @@ static int altera_ps_probe(struct spi_device *spi) > > snprintf(conf->mgr_name, sizeof(conf->mgr_name), "%s %s", > > dev_driver_string(&spi->dev), dev_name(&spi->dev)); > > > > - mgr = devm_fpga_mgr_create(&spi->dev, conf->mgr_name, > > - &altera_ps_ops, conf); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(&spi->dev, conf->mgr_name, > > + &altera_ps_ops, conf); > > > > - return devm_fpga_mgr_register(&spi->dev, mgr); > > You need to implement fpga_mgr_unregister on remove() for some drivers > after you delete the devm_ functions. > > Or maybe better, implement the devm_fpga_mgr_register. Yes, I don't think we want to completely get rid of the devres code, we just need to fix it. > > Same below. > > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static const struct spi_device_id altera_ps_spi_ids[] = { > > diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c > > index d5861d13b306..dd8ff7c4ec10 100644 > > --- a/drivers/fpga/dfl-fme-mgr.c > > +++ b/drivers/fpga/dfl-fme-mgr.c > > @@ -308,14 +308,14 @@ static int fme_mgr_probe(struct platform_device *pdev) > > > > fme_mgr_get_compat_id(priv->ioaddr, compat_id); > > > > - mgr = devm_fpga_mgr_create(dev, "DFL FME FPGA Manager", > > - &fme_mgr_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, "DFL FME FPGA Manager", > > + &fme_mgr_ops, priv); > > + if (IS_ERR(mgr)) > > + return PTR_ERR(mgr); > > > > mgr->compat_id = compat_id; > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return 0; > > } > > > > static struct platform_driver fme_mgr_driver = { > > diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c > > index b85bc47c91a9..e95226fbf18c 100644 > > --- a/drivers/fpga/fpga-mgr.c > > +++ b/drivers/fpga/fpga-mgr.c > > @@ -21,10 +21,6 @@ > > static DEFINE_IDA(fpga_mgr_ida); > > static struct class *fpga_mgr_class; > > > > -struct fpga_mgr_devres { > > - struct fpga_manager *mgr; > > -}; > > - > > /** > > * fpga_image_info_alloc - Allocate a FPGA image info struct > > * @dev: owning device > > @@ -550,20 +546,17 @@ void fpga_mgr_unlock(struct fpga_manager *mgr) > > EXPORT_SYMBOL_GPL(fpga_mgr_unlock); > > > > /** > > - * fpga_mgr_create - create and initialize a FPGA manager struct > > + * fpga_mgr_register - create and register a FPGA manager struct > > * @dev: fpga manager device from pdev > > * @name: fpga manager name > > * @mops: pointer to structure of fpga manager ops > > * @priv: fpga manager private data > > * > > - * The caller of this function is responsible for freeing the struct with > > - * fpga_mgr_free(). Using devm_fpga_mgr_create() instead is recommended. > > - * > > - * Return: pointer to struct fpga_manager or NULL > > + * Returns a struct fpga_manager pointer on success, or ERR_PTR() on error. > > */ > > -struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > > - const struct fpga_manager_ops *mops, > > - void *priv) > > +struct fpga_manager * > > +fpga_mgr_register(struct device *dev, const char *name, > > + const struct fpga_manager_ops *mops, void *priv) > > { > > struct fpga_manager *mgr; > > int id, ret; > > @@ -572,17 +565,17 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > > !mops->write_init || (!mops->write && !mops->write_sg) || > > (mops->write && mops->write_sg)) { > > dev_err(dev, "Attempt to register without fpga_manager_ops\n"); > > - return NULL; > > + return ERR_PTR(-EINVAL); > > } > > > > if (!name || !strlen(name)) { > > dev_err(dev, "Attempt to register with no name!\n"); > > - return NULL; > > + return ERR_PTR(-EINVAL); > > } > > > > mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); > > if (!mgr) > > - return NULL; > > + return ERR_PTR(-ENOMEM); > > > > id = ida_simple_get(&fpga_mgr_ida, 0, 0, GFP_KERNEL); > > if (id < 0) > > @@ -594,7 +587,6 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > > mgr->mops = mops; > > mgr->priv = priv; > > > > - device_initialize(&mgr->dev); > > mgr->dev.class = fpga_mgr_class; > > mgr->dev.groups = mops->groups; > > mgr->dev.parent = dev; > > @@ -605,84 +597,6 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name, > > if (ret) > > goto error_device; > > > > - return mgr; > > - > > -error_device: > > - ida_simple_remove(&fpga_mgr_ida, id); > > -error_kfree: > > - kfree(mgr); > > - > > - return NULL; > > -} > > -EXPORT_SYMBOL_GPL(fpga_mgr_create); > > - > > -/** > > - * fpga_mgr_free - free a FPGA manager created with fpga_mgr_create() > > - * @mgr: fpga manager struct > > - */ > > -void fpga_mgr_free(struct fpga_manager *mgr) > > -{ > > - ida_simple_remove(&fpga_mgr_ida, mgr->dev.id); > > - kfree(mgr); > > -} > > -EXPORT_SYMBOL_GPL(fpga_mgr_free); > > - > > -static void devm_fpga_mgr_release(struct device *dev, void *res) > > -{ > > - struct fpga_mgr_devres *dr = res; > > - > > - fpga_mgr_free(dr->mgr); > > -} > > - > > -/** > > - * devm_fpga_mgr_create - create and initialize a managed FPGA manager struct > > - * @dev: fpga manager device from pdev > > - * @name: fpga manager name > > - * @mops: pointer to structure of fpga manager ops > > - * @priv: fpga manager private data > > - * > > - * This function is intended for use in a FPGA manager driver's probe function. > > - * After the manager driver creates the manager struct with > > - * devm_fpga_mgr_create(), it should register it with fpga_mgr_register(). The > > - * manager driver's remove function should call fpga_mgr_unregister(). The > > - * manager struct allocated with this function will be freed automatically on > > - * driver detach. This includes the case of a probe function returning error > > - * before calling fpga_mgr_register(), the struct will still get cleaned up. > > - * > > - * Return: pointer to struct fpga_manager or NULL > > - */ > > -struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name, > > - const struct fpga_manager_ops *mops, > > - void *priv) > > -{ > > - struct fpga_mgr_devres *dr; > > - > > - dr = devres_alloc(devm_fpga_mgr_release, sizeof(*dr), GFP_KERNEL); > > - if (!dr) > > - return NULL; > > - > > - dr->mgr = fpga_mgr_create(dev, name, mops, priv); > > - if (!dr->mgr) { > > - devres_free(dr); > > - return NULL; > > - } > > - > > - devres_add(dev, dr); > > - > > - return dr->mgr; > > -} > > -EXPORT_SYMBOL_GPL(devm_fpga_mgr_create); > > - > > -/** > > - * fpga_mgr_register - register a FPGA manager > > - * @mgr: fpga manager struct > > - * > > - * Return: 0 on success, negative error code otherwise. > > - */ > > -int fpga_mgr_register(struct fpga_manager *mgr) > > -{ > > - int ret; > > - > > /* > > * Initialize framework state by requesting low level driver read state > > * from device. FPGA may be in reset mode or may have been programmed > > @@ -690,18 +604,20 @@ int fpga_mgr_register(struct fpga_manager *mgr) > > */ > > mgr->state = mgr->mops->state(mgr); > > > > - ret = device_add(&mgr->dev); > > - if (ret) > > - goto error_device; > > - > > - dev_info(&mgr->dev, "%s registered\n", mgr->name); > > + ret = device_register(&mgr->dev); > > + if (ret) { > > + put_device(&mgr->dev); > > + return ERR_PTR(ret); > > + } > > > > - return 0; > > + return mgr; > > > > error_device: > > - ida_simple_remove(&fpga_mgr_ida, mgr->dev.id); > > + ida_simple_remove(&fpga_mgr_ida, id); > > +error_kfree: > > + kfree(mgr); > > > > - return ret; > > + return ERR_PTR(ret); > > } > > EXPORT_SYMBOL_GPL(fpga_mgr_register); > > > > @@ -726,61 +642,12 @@ void fpga_mgr_unregister(struct fpga_manager *mgr) > > } > > EXPORT_SYMBOL_GPL(fpga_mgr_unregister); > > > > -static int fpga_mgr_devres_match(struct device *dev, void *res, > > - void *match_data) > > -{ > > - struct fpga_mgr_devres *dr = res; > > - > > - return match_data == dr->mgr; > > -} > > - > > -static void devm_fpga_mgr_unregister(struct device *dev, void *res) > > -{ > > - struct fpga_mgr_devres *dr = res; > > - > > - fpga_mgr_unregister(dr->mgr); > > -} > > - > > -/** > > - * devm_fpga_mgr_register - resource managed variant of fpga_mgr_register() > > - * @dev: managing device for this FPGA manager > > - * @mgr: fpga manager struct > > - * > > - * This is the devres variant of fpga_mgr_register() for which the unregister > > - * function will be called automatically when the managing device is detached. > > - */ > > -int devm_fpga_mgr_register(struct device *dev, struct fpga_manager *mgr) > > -{ > > - struct fpga_mgr_devres *dr; > > - int ret; > > - > > - /* > > - * Make sure that the struct fpga_manager * that is passed in is > > - * managed itself. > > - */ > > - if (WARN_ON(!devres_find(dev, devm_fpga_mgr_release, > > - fpga_mgr_devres_match, mgr))) > > - return -EINVAL; > > - > > - dr = devres_alloc(devm_fpga_mgr_unregister, sizeof(*dr), GFP_KERNEL); > > - if (!dr) > > - return -ENOMEM; > > - > > - ret = fpga_mgr_register(mgr); > > - if (ret) { > > - devres_free(dr); > > - return ret; > > - } > > - > > - dr->mgr = mgr; > > - devres_add(dev, dr); > > - > > - return 0; > > -} > > -EXPORT_SYMBOL_GPL(devm_fpga_mgr_register); > > - > > static void fpga_mgr_dev_release(struct device *dev) > > { > > + struct fpga_manager *mgr = to_fpga_manager(dev); > > + > > + ida_simple_remove(&fpga_mgr_ida, mgr->dev.id); > > + kfree(mgr); > > } > > > > static int __init fpga_mgr_class_init(void) > > diff --git a/drivers/fpga/ice40-spi.c b/drivers/fpga/ice40-spi.c > > index 69dec5af23c3..665db9e68875 100644 > > --- a/drivers/fpga/ice40-spi.c > > +++ b/drivers/fpga/ice40-spi.c > > @@ -178,12 +178,10 @@ static int ice40_fpga_probe(struct spi_device *spi) > > return ret; > > } > > > > - mgr = devm_fpga_mgr_create(dev, "Lattice iCE40 FPGA Manager", > > - &ice40_fpga_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, "Lattice iCE40 FPGA Manager", > > + &ice40_fpga_ops, priv); > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static const struct of_device_id ice40_fpga_of_match[] = { > > diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/machxo2-spi.c > > index 114a64d2b7a4..859750b6b578 100644 > > --- a/drivers/fpga/machxo2-spi.c > > +++ b/drivers/fpga/machxo2-spi.c > > @@ -366,12 +366,10 @@ static int machxo2_spi_probe(struct spi_device *spi) > > return -EINVAL; > > } > > > > - mgr = devm_fpga_mgr_create(dev, "Lattice MachXO2 SPI FPGA Manager", > > - &machxo2_ops, spi); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, "Lattice MachXO2 SPI FPGA Manager", > > + &machxo2_ops, spi); > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static const struct of_device_id of_match[] = { > > diff --git a/drivers/fpga/socfpga-a10.c b/drivers/fpga/socfpga-a10.c > > index 573d88bdf730..ac8e89b8a5cc 100644 > > --- a/drivers/fpga/socfpga-a10.c > > +++ b/drivers/fpga/socfpga-a10.c > > @@ -508,19 +508,15 @@ static int socfpga_a10_fpga_probe(struct platform_device *pdev) > > return -EBUSY; > > } > > > > - mgr = devm_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) { > > + mgr = fpga_mgr_register(dev, "SoCFPGA Arria10 FPGA Manager", > > + &socfpga_a10_fpga_mgr_ops, priv); > > + if (IS_ERR(mgr)) { > > clk_disable_unprepare(priv->clk); > > - return ret; > > + return PTR_ERR(mgr); > > } > > > > + platform_set_drvdata(pdev, mgr); > > + > > return 0; > > } > > > > diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c > > index 1f467173fc1f..1dbe3b44418d 100644 > > --- a/drivers/fpga/socfpga.c > > +++ b/drivers/fpga/socfpga.c > > @@ -571,12 +571,10 @@ static int socfpga_fpga_probe(struct platform_device *pdev) > > if (ret) > > return ret; > > > > - mgr = devm_fpga_mgr_create(dev, "Altera SOCFPGA FPGA Manager", > > - &socfpga_fpga_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, "Altera SOCFPGA FPGA Manager", > > + &socfpga_fpga_ops, priv); > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > #ifdef CONFIG_OF > > diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c > > index 657a70c5fc99..e0bd91b3f7f8 100644 > > --- a/drivers/fpga/stratix10-soc.c > > +++ b/drivers/fpga/stratix10-soc.c > > @@ -425,18 +425,11 @@ static int s10_probe(struct platform_device *pdev) > > > > init_completion(&priv->status_return_completion); > > > > - mgr = fpga_mgr_create(dev, "Stratix10 SOC FPGA Manager", > > - &s10_ops, priv); > > - if (!mgr) { > > - dev_err(dev, "unable to create FPGA manager\n"); > > - ret = -ENOMEM; > > - goto probe_err; > > - } > > - > > - ret = fpga_mgr_register(mgr); > > - if (ret) { > > + mgr = fpga_mgr_register(dev, "Stratix10 SOC FPGA Manager", > > + &s10_ops, priv); > > + if (IS_ERR(mgr)) { > > dev_err(dev, "unable to register FPGA manager\n"); > > - fpga_mgr_free(mgr); > > + ret = PTR_ERR(mgr); > > goto probe_err; > > } > > > > diff --git a/drivers/fpga/ts73xx-fpga.c b/drivers/fpga/ts73xx-fpga.c > > index 101f016c6ed8..581c561a8980 100644 > > --- a/drivers/fpga/ts73xx-fpga.c > > +++ b/drivers/fpga/ts73xx-fpga.c > > @@ -122,12 +122,10 @@ static int ts73xx_fpga_probe(struct platform_device *pdev) > > if (IS_ERR(priv->io_base)) > > return PTR_ERR(priv->io_base); > > > > - mgr = devm_fpga_mgr_create(kdev, "TS-73xx FPGA Manager", > > - &ts73xx_fpga_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(kdev, "TS-73xx FPGA Manager", > > + &ts73xx_fpga_ops, priv); > > > > - return devm_fpga_mgr_register(kdev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static struct platform_driver ts73xx_fpga_driver = { > > diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx-spi.c > > index fee4d0abf6bf..720b8a78ffc6 100644 > > --- a/drivers/fpga/xilinx-spi.c > > +++ b/drivers/fpga/xilinx-spi.c > > @@ -247,13 +247,11 @@ static int xilinx_spi_probe(struct spi_device *spi) > > return dev_err_probe(&spi->dev, PTR_ERR(conf->done), > > "Failed to get DONE gpio\n"); > > > > - mgr = devm_fpga_mgr_create(&spi->dev, > > - "Xilinx Slave Serial FPGA Manager", > > - &xilinx_spi_ops, conf); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(&spi->dev, > > + "Xilinx Slave Serial FPGA Manager", > > + &xilinx_spi_ops, conf); > > > > - return devm_fpga_mgr_register(&spi->dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static const struct of_device_id xlnx_spi_of_match[] = { > > diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c > > index 07fa8d9ec675..74bbb9710f4e 100644 > > --- a/drivers/fpga/zynq-fpga.c > > +++ b/drivers/fpga/zynq-fpga.c > > @@ -609,20 +609,16 @@ static int zynq_fpga_probe(struct platform_device *pdev) > > > > clk_disable(priv->clk); > > > > - mgr = devm_fpga_mgr_create(dev, "Xilinx Zynq FPGA Manager", > > - &zynq_fpga_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > - > > - platform_set_drvdata(pdev, mgr); > > - > > - err = fpga_mgr_register(mgr); > > - if (err) { > > + mgr = fpga_mgr_register(dev, "Xilinx Zynq FPGA Manager", > > + &zynq_fpga_ops, priv); > > + if (IS_ERR(mgr)) { > > dev_err(dev, "unable to register FPGA manager\n"); > > clk_unprepare(priv->clk); > > - return err; > > + return PTR_ERR(mgr); > > } > > > > + platform_set_drvdata(pdev, mgr); > > + > > return 0; > > } > > > > diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c > > index 125743c9797f..1b2eae3f0e03 100644 > > --- a/drivers/fpga/zynqmp-fpga.c > > +++ b/drivers/fpga/zynqmp-fpga.c > > @@ -102,12 +102,10 @@ static int zynqmp_fpga_probe(struct platform_device *pdev) > > > > priv->dev = dev; > > > > - mgr = devm_fpga_mgr_create(dev, "Xilinx ZynqMP FPGA Manager", > > - &zynqmp_fpga_ops, priv); > > - if (!mgr) > > - return -ENOMEM; > > + mgr = fpga_mgr_register(dev, "Xilinx ZynqMP FPGA Manager", > > + &zynqmp_fpga_ops, priv); > > > > - return devm_fpga_mgr_register(dev, mgr); > > + return (IS_ERR(mgr)) ? PTR_ERR(mgr) : 0; > > } > > > > static const struct of_device_id zynqmp_fpga_of_match[] = { > > diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h > > index 2bc3030a69e5..8ab5f4a67192 100644 > > --- a/include/linux/fpga/fpga-mgr.h > > +++ b/include/linux/fpga/fpga-mgr.h > > @@ -191,17 +191,9 @@ struct fpga_manager *fpga_mgr_get(struct device *dev); > > > > void fpga_mgr_put(struct fpga_manager *mgr); > > > > -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); > > +struct fpga_manager *fpga_mgr_register(struct device *dev, const char *name, > > + const struct fpga_manager_ops *mops, > > + void *priv); > > void fpga_mgr_unregister(struct fpga_manager *mgr); > > > > -int devm_fpga_mgr_register(struct device *dev, struct fpga_manager *mgr); > > - > > -struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name, > > - const struct fpga_manager_ops *mops, > > - void *priv); > > - > > #endif /*_LINUX_FPGA_MGR_H */ > > Thanks, > Yilun > > > -- > > 2.25.1 - Moritz