fpga: mgr: add devm_fpga_mgr_create

Add devm_fpga_mgr_create() which is the managed
version of fpga_mgr_create().

Change current FPGA manager drivers to use
devm_fpga_mgr_create()

Signed-off-by: Alan Tull <atull@kernel.org>
Suggested-by: Federico Vaga <federico.vaga@cern.ch>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/fpga/altera-pr-ip-core.c b/drivers/fpga/altera-pr-ip-core.c
index 65e0b6a2c031..a7a3bf0b5202 100644
--- a/drivers/fpga/altera-pr-ip-core.c
+++ b/drivers/fpga/altera-pr-ip-core.c
@@ -177,7 +177,6 @@ int alt_pr_register(struct device *dev, void __iomem *reg_base)
 {
         struct alt_pr_priv *priv;
         struct fpga_manager *mgr;
-        int ret;
         u32 val;
 
         priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -192,17 +191,13 @@ 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 = fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv);
+        mgr = devm_fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv);
         if (!mgr)
                 return -ENOMEM;
 
         dev_set_drvdata(dev, mgr);
 
-        ret = fpga_mgr_register(mgr);
-        if (ret)
-                fpga_mgr_free(mgr);
-
-        return ret;
+        return fpga_mgr_register(mgr);
 }
 EXPORT_SYMBOL_GPL(alt_pr_register);