diff options
Diffstat (limited to 'drivers/fpga/altera-pr-ip-core.c')
| -rw-r--r-- | drivers/fpga/altera-pr-ip-core.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c index 2cf25fd5e897..df8671af4a92 100644 --- a/drivers/fpga/altera-pr-ip-core.c +++ b/drivers/fpga/altera-pr-ip-core.c @@ -108,7 +108,7 @@ static int alt_pr_fpga_write(struct fpga_manager *mgr, const char *buf, u32 *buffer_32 = (u32 *)buf; size_t i = 0; - if (count <= 0) + if (!count) return -EINVAL; /* Write out the complete 32-bit chunks */ @@ -191,26 +191,11 @@ 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; - - dev_set_drvdata(dev, mgr); - - return fpga_mgr_register(mgr); + mgr = devm_fpga_mgr_register(dev, dev_name(dev), &alt_pr_ops, priv); + return PTR_ERR_OR_ZERO(mgr); } EXPORT_SYMBOL_GPL(alt_pr_register); -void alt_pr_unregister(struct device *dev) -{ - struct fpga_manager *mgr = dev_get_drvdata(dev); - - dev_dbg(dev, "%s\n", __func__); - - fpga_mgr_unregister(mgr); -} -EXPORT_SYMBOL_GPL(alt_pr_unregister); - MODULE_AUTHOR("Matthew Gerlach <matthew.gerlach@linux.intel.com>"); MODULE_DESCRIPTION("Altera Partial Reconfiguration IP Core"); MODULE_LICENSE("GPL v2"); |