diff options
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/altera-pr-ip-core-plat.c | 10 | ||||
| -rw-r--r-- | drivers/fpga/altera-pr-ip-core.c | 4 | ||||
| -rw-r--r-- | drivers/fpga/altera-ps-spi.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/dfl-fme-mgr.c | 13 | ||||
| -rw-r--r-- | drivers/fpga/fpga-mgr.c | 81 | ||||
| -rw-r--r-- | drivers/fpga/ice40-spi.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/machxo2-spi.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/socfpga.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/ts73xx-fpga.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/xilinx-spi.c | 14 | ||||
| -rw-r--r-- | drivers/fpga/zynqmp-fpga.c | 21 |
11 files changed, 78 insertions, 135 deletions
diff --git a/drivers/fpga/altera-pr-ip-core-plat.c b/drivers/fpga/altera-pr-ip-core-plat.c index 99b9cc0e70f0..b008a6b8d2d3 100644 --- a/drivers/fpga/altera-pr-ip-core-plat.c +++ b/drivers/fpga/altera-pr-ip-core-plat.c @@ -28,15 +28,6 @@ static int alt_pr_platform_probe(struct platform_device *pdev) return alt_pr_register(dev, reg_base); } -static int alt_pr_platform_remove(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - - alt_pr_unregister(dev); - - return 0; -} - static const struct of_device_id alt_pr_of_match[] = { { .compatible = "altr,a10-pr-ip", }, {}, @@ -46,7 +37,6 @@ MODULE_DEVICE_TABLE(of, alt_pr_of_match); static struct platform_driver alt_pr_platform_driver = { .probe = alt_pr_platform_probe, - .remove = alt_pr_platform_remove, .driver = { .name = "alt_a10_pr_ip", .of_match_table = alt_pr_of_match, diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c index 2cf25fd5e897..5b130c4d9882 100644 --- a/drivers/fpga/altera-pr-ip-core.c +++ b/drivers/fpga/altera-pr-ip-core.c @@ -195,9 +195,7 @@ int alt_pr_register(struct device *dev, void __iomem *reg_base) if (!mgr) return -ENOMEM; - dev_set_drvdata(dev, mgr); - - return fpga_mgr_register(mgr); + return devm_fpga_mgr_register(dev, mgr); } EXPORT_SYMBOL_GPL(alt_pr_register); diff --git a/drivers/fpga/altera-ps-spi.c b/drivers/fpga/altera-ps-spi.c index 0221dee8dd4c..23bfd4d1ad0f 100644 --- a/drivers/fpga/altera-ps-spi.c +++ b/drivers/fpga/altera-ps-spi.c @@ -307,18 +307,7 @@ static int altera_ps_probe(struct spi_device *spi) if (!mgr) return -ENOMEM; - spi_set_drvdata(spi, mgr); - - return fpga_mgr_register(mgr); -} - -static int altera_ps_remove(struct spi_device *spi) -{ - struct fpga_manager *mgr = spi_get_drvdata(spi); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(&spi->dev, mgr); } static const struct spi_device_id altera_ps_spi_ids[] = { @@ -337,7 +326,6 @@ static struct spi_driver altera_ps_driver = { }, .id_table = altera_ps_spi_ids, .probe = altera_ps_probe, - .remove = altera_ps_remove, }; module_spi_driver(altera_ps_driver) diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c index b3f7eee3c93f..d5861d13b306 100644 --- a/drivers/fpga/dfl-fme-mgr.c +++ b/drivers/fpga/dfl-fme-mgr.c @@ -314,18 +314,8 @@ static int fme_mgr_probe(struct platform_device *pdev) return -ENOMEM; mgr->compat_id = compat_id; - platform_set_drvdata(pdev, mgr); - return fpga_mgr_register(mgr); -} - -static int fme_mgr_remove(struct platform_device *pdev) -{ - struct fpga_manager *mgr = platform_get_drvdata(pdev); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(dev, mgr); } static struct platform_driver fme_mgr_driver = { @@ -333,7 +323,6 @@ static struct platform_driver fme_mgr_driver = { .name = DFL_FPGA_FME_MGR, }, .probe = fme_mgr_probe, - .remove = fme_mgr_remove, }; module_platform_driver(fme_mgr_driver); diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index f38bab01432e..b85bc47c91a9 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -21,6 +21,10 @@ 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 @@ -625,9 +629,9 @@ EXPORT_SYMBOL_GPL(fpga_mgr_free); static void devm_fpga_mgr_release(struct device *dev, void *res) { - struct fpga_manager *mgr = *(struct fpga_manager **)res; + struct fpga_mgr_devres *dr = res; - fpga_mgr_free(mgr); + fpga_mgr_free(dr->mgr); } /** @@ -651,21 +655,21 @@ struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name, const struct fpga_manager_ops *mops, void *priv) { - struct fpga_manager **ptr, *mgr; + struct fpga_mgr_devres *dr; - ptr = devres_alloc(devm_fpga_mgr_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) + dr = devres_alloc(devm_fpga_mgr_release, sizeof(*dr), GFP_KERNEL); + if (!dr) return NULL; - mgr = fpga_mgr_create(dev, name, mops, priv); - if (!mgr) { - devres_free(ptr); - } else { - *ptr = mgr; - devres_add(dev, ptr); + dr->mgr = fpga_mgr_create(dev, name, mops, priv); + if (!dr->mgr) { + devres_free(dr); + return NULL; } - return mgr; + devres_add(dev, dr); + + return dr->mgr; } EXPORT_SYMBOL_GPL(devm_fpga_mgr_create); @@ -722,6 +726,59 @@ 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) { } diff --git a/drivers/fpga/ice40-spi.c b/drivers/fpga/ice40-spi.c index 8d689fea0dab..69dec5af23c3 100644 --- a/drivers/fpga/ice40-spi.c +++ b/drivers/fpga/ice40-spi.c @@ -183,18 +183,7 @@ static int ice40_fpga_probe(struct spi_device *spi) if (!mgr) return -ENOMEM; - spi_set_drvdata(spi, mgr); - - return fpga_mgr_register(mgr); -} - -static int ice40_fpga_remove(struct spi_device *spi) -{ - struct fpga_manager *mgr = spi_get_drvdata(spi); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(dev, mgr); } static const struct of_device_id ice40_fpga_of_match[] = { @@ -205,7 +194,6 @@ MODULE_DEVICE_TABLE(of, ice40_fpga_of_match); static struct spi_driver ice40_fpga_driver = { .probe = ice40_fpga_probe, - .remove = ice40_fpga_remove, .driver = { .name = "ice40spi", .of_match_table = of_match_ptr(ice40_fpga_of_match), diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/machxo2-spi.c index b316369156fe..114a64d2b7a4 100644 --- a/drivers/fpga/machxo2-spi.c +++ b/drivers/fpga/machxo2-spi.c @@ -371,18 +371,7 @@ static int machxo2_spi_probe(struct spi_device *spi) if (!mgr) return -ENOMEM; - spi_set_drvdata(spi, mgr); - - return fpga_mgr_register(mgr); -} - -static int machxo2_spi_remove(struct spi_device *spi) -{ - struct fpga_manager *mgr = spi_get_drvdata(spi); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(dev, mgr); } static const struct of_device_id of_match[] = { @@ -403,7 +392,6 @@ static struct spi_driver machxo2_spi_driver = { .of_match_table = of_match_ptr(of_match), }, .probe = machxo2_spi_probe, - .remove = machxo2_spi_remove, .id_table = lattice_ids, }; diff --git a/drivers/fpga/socfpga.c b/drivers/fpga/socfpga.c index 4a8a2fcd4e6c..1f467173fc1f 100644 --- a/drivers/fpga/socfpga.c +++ b/drivers/fpga/socfpga.c @@ -576,18 +576,7 @@ static int socfpga_fpga_probe(struct platform_device *pdev) if (!mgr) return -ENOMEM; - platform_set_drvdata(pdev, mgr); - - return fpga_mgr_register(mgr); -} - -static int socfpga_fpga_remove(struct platform_device *pdev) -{ - struct fpga_manager *mgr = platform_get_drvdata(pdev); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(dev, mgr); } #ifdef CONFIG_OF @@ -601,7 +590,6 @@ MODULE_DEVICE_TABLE(of, socfpga_fpga_of_match); static struct platform_driver socfpga_fpga_driver = { .probe = socfpga_fpga_probe, - .remove = socfpga_fpga_remove, .driver = { .name = "socfpga_fpga_manager", .of_match_table = of_match_ptr(socfpga_fpga_of_match), diff --git a/drivers/fpga/ts73xx-fpga.c b/drivers/fpga/ts73xx-fpga.c index 2888ff000e4d..101f016c6ed8 100644 --- a/drivers/fpga/ts73xx-fpga.c +++ b/drivers/fpga/ts73xx-fpga.c @@ -127,18 +127,7 @@ static int ts73xx_fpga_probe(struct platform_device *pdev) if (!mgr) return -ENOMEM; - platform_set_drvdata(pdev, mgr); - - return fpga_mgr_register(mgr); -} - -static int ts73xx_fpga_remove(struct platform_device *pdev) -{ - struct fpga_manager *mgr = platform_get_drvdata(pdev); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(kdev, mgr); } static struct platform_driver ts73xx_fpga_driver = { @@ -146,7 +135,6 @@ static struct platform_driver ts73xx_fpga_driver = { .name = "ts73xx-fpga-mgr", }, .probe = ts73xx_fpga_probe, - .remove = ts73xx_fpga_remove, }; module_platform_driver(ts73xx_fpga_driver); diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx-spi.c index 824abbbd631e..27defa98092d 100644 --- a/drivers/fpga/xilinx-spi.c +++ b/drivers/fpga/xilinx-spi.c @@ -259,18 +259,7 @@ static int xilinx_spi_probe(struct spi_device *spi) if (!mgr) return -ENOMEM; - spi_set_drvdata(spi, mgr); - - return fpga_mgr_register(mgr); -} - -static int xilinx_spi_remove(struct spi_device *spi) -{ - struct fpga_manager *mgr = spi_get_drvdata(spi); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(&spi->dev, mgr); } static const struct of_device_id xlnx_spi_of_match[] = { @@ -285,7 +274,6 @@ static struct spi_driver xilinx_slave_spi_driver = { .of_match_table = of_match_ptr(xlnx_spi_of_match), }, .probe = xilinx_spi_probe, - .remove = xilinx_spi_remove, }; module_spi_driver(xilinx_slave_spi_driver) diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c index 4a1139e05280..125743c9797f 100644 --- a/drivers/fpga/zynqmp-fpga.c +++ b/drivers/fpga/zynqmp-fpga.c @@ -95,7 +95,6 @@ static int zynqmp_fpga_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct zynqmp_fpga_priv *priv; struct fpga_manager *mgr; - int ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -108,24 +107,7 @@ static int zynqmp_fpga_probe(struct platform_device *pdev) if (!mgr) return -ENOMEM; - platform_set_drvdata(pdev, mgr); - - ret = fpga_mgr_register(mgr); - if (ret) { - dev_err(dev, "unable to register FPGA manager"); - return ret; - } - - return 0; -} - -static int zynqmp_fpga_remove(struct platform_device *pdev) -{ - struct fpga_manager *mgr = platform_get_drvdata(pdev); - - fpga_mgr_unregister(mgr); - - return 0; + return devm_fpga_mgr_register(dev, mgr); } static const struct of_device_id zynqmp_fpga_of_match[] = { @@ -137,7 +119,6 @@ MODULE_DEVICE_TABLE(of, zynqmp_fpga_of_match); static struct platform_driver zynqmp_fpga_driver = { .probe = zynqmp_fpga_probe, - .remove = zynqmp_fpga_remove, .driver = { .name = "zynqmp_fpga_manager", .of_match_table = of_match_ptr(zynqmp_fpga_of_match), |