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path: root/drivers/fpga/altera-fpga2sdram.c
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Diffstat (limited to 'drivers/fpga/altera-fpga2sdram.c')
-rw-r--r--drivers/fpga/altera-fpga2sdram.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/fpga/altera-fpga2sdram.c b/drivers/fpga/altera-fpga2sdram.c
index d4eeb74388da..5a29ab6e3b28 100644
--- a/drivers/fpga/altera-fpga2sdram.c
+++ b/drivers/fpga/altera-fpga2sdram.c
@@ -106,6 +106,7 @@ static int alt_fpga_bridge_probe(struct platform_device *pdev)
106{ 106{
107 struct device *dev = &pdev->dev; 107 struct device *dev = &pdev->dev;
108 struct alt_fpga2sdram_data *priv; 108 struct alt_fpga2sdram_data *priv;
109 struct fpga_bridge *br;
109 u32 enable; 110 u32 enable;
110 struct regmap *sysmgr; 111 struct regmap *sysmgr;
111 int ret = 0; 112 int ret = 0;
@@ -131,10 +132,18 @@ static int alt_fpga_bridge_probe(struct platform_device *pdev)
131 /* Get f2s bridge configuration saved in handoff register */ 132 /* Get f2s bridge configuration saved in handoff register */
132 regmap_read(sysmgr, SYSMGR_ISWGRP_HANDOFF3, &priv->mask); 133 regmap_read(sysmgr, SYSMGR_ISWGRP_HANDOFF3, &priv->mask);
133 134
134 ret = fpga_bridge_register(dev, F2S_BRIDGE_NAME, 135 br = fpga_bridge_create(dev, F2S_BRIDGE_NAME,
135 &altera_fpga2sdram_br_ops, priv); 136 &altera_fpga2sdram_br_ops, priv);
136 if (ret) 137 if (!br)
138 return -ENOMEM;
139
140 platform_set_drvdata(pdev, br);
141
142 ret = fpga_bridge_register(br);
143 if (ret) {
144 fpga_bridge_free(br);
137 return ret; 145 return ret;
146 }
138 147
139 dev_info(dev, "driver initialized with handoff %08x\n", priv->mask); 148 dev_info(dev, "driver initialized with handoff %08x\n", priv->mask);
140 149
@@ -146,7 +155,7 @@ static int alt_fpga_bridge_probe(struct platform_device *pdev)
146 (enable ? "enabling" : "disabling")); 155 (enable ? "enabling" : "disabling"));
147 ret = _alt_fpga2sdram_enable_set(priv, enable); 156 ret = _alt_fpga2sdram_enable_set(priv, enable);
148 if (ret) { 157 if (ret) {
149 fpga_bridge_unregister(&pdev->dev); 158 fpga_bridge_unregister(br);
150 return ret; 159 return ret;
151 } 160 }
152 } 161 }
@@ -157,7 +166,9 @@ static int alt_fpga_bridge_probe(struct platform_device *pdev)
157 166
158static int alt_fpga_bridge_remove(struct platform_device *pdev) 167static int alt_fpga_bridge_remove(struct platform_device *pdev)
159{ 168{
160 fpga_bridge_unregister(&pdev->dev); 169 struct fpga_bridge *br = platform_get_drvdata(pdev);
170
171 fpga_bridge_unregister(br);
161 172
162 return 0; 173 return 0;
163} 174}