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, 3 insertions, 8 deletions

diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/machxo2-spi.c
index a582e0000c97..4d8a87641587 100644
--- a/drivers/fpga/machxo2-spi.c
+++ b/drivers/fpga/machxo2-spi.c
@@ -356,25 +356,20 @@ static int machxo2_spi_probe(struct spi_device *spi)
 {
         struct device *dev = &spi->dev;
         struct fpga_manager *mgr;
-        int ret;
 
         if (spi->max_speed_hz > MACHXO2_MAX_SPEED) {
                 dev_err(dev, "Speed is too high\n");
                 return -EINVAL;
         }
 
-        mgr = fpga_mgr_create(dev, "Lattice MachXO2 SPI FPGA Manager",
-                              &machxo2_ops, spi);
+        mgr = devm_fpga_mgr_create(dev, "Lattice MachXO2 SPI FPGA Manager",
+                                   &machxo2_ops, spi);
         if (!mgr)
                 return -ENOMEM;
 
         spi_set_drvdata(spi, mgr);
 
-        ret = fpga_mgr_register(mgr);
-        if (ret)
-                fpga_mgr_free(mgr);
-
-        return ret;
+        return fpga_mgr_register(mgr);
 }
 
 static int machxo2_spi_remove(struct spi_device *spi)