[SPARC64]: Fix of_iounmap() region release.

We need to pass in the resource otherwise we cannot
release the region properly.  We must know whether it is
an I/O or MEM resource.

Spotted by Eric Brower.

Signed-off-by: David S. Miller <davem@davemloft.net>

8 files changed, 122 insertions, 91 deletions

diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index c66e3d52cbf3..9bb6257d6918 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -320,7 +320,7 @@ static int __devinit bw2_init_one(struct of_device *op)
         all->info.fbops = &bw2_ops;
 
         all->info.screen_base =
-                sbus_ioremap(&op->resource[0], 0, all->par.fbsize, "bw2 ram");
+                of_ioremap(&op->resource[0], 0, all->par.fbsize, "bw2 ram");
         all->info.par = &all->par;
 
         bw2_blank(0, &all->info);
@@ -329,8 +329,10 @@ static int __devinit bw2_init_one(struct of_device *op)
 
         err= register_framebuffer(&all->info);
         if (err < 0) {
-                of_iounmap(all->par.regs, sizeof(struct bw2_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct bw2_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -351,18 +353,18 @@ static int __devinit bw2_probe(struct of_device *dev, const struct of_device_id
         return bw2_init_one(op);
 }
 
-static int __devexit bw2_remove(struct of_device *dev)
+static int __devexit bw2_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
 
-        of_iounmap(all->par.regs, sizeof(struct bw2_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct bw2_regs));
+        of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index 7f926c619b61..ec6a51a5822d 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -452,16 +452,20 @@ struct all_info {
         struct cg14_par par;
 };
 
-static void cg14_unmap_regs(struct all_info *all)
+static void cg14_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.regs)
-                of_iounmap(all->par.regs, sizeof(struct cg14_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg14_regs));
         if (all->par.clut)
-                of_iounmap(all->par.clut, sizeof(struct cg14_clut));
+                of_iounmap(&op->resource[0],
+                           all->par.clut, sizeof(struct cg14_clut));
         if (all->par.cursor)
-                of_iounmap(all->par.cursor, sizeof(struct cg14_cursor));
+                of_iounmap(&op->resource[0],
+                           all->par.cursor, sizeof(struct cg14_cursor));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[1],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit cg14_init_one(struct of_device *op)
@@ -506,7 +510,7 @@ static int __devinit cg14_init_one(struct of_device *op)
 
         if (!all->par.regs || !all->par.clut || !all->par.cursor ||
             !all->info.screen_base)
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
 
         is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
                   (8 * 1024 * 1024));
@@ -541,7 +545,7 @@ static int __devinit cg14_init_one(struct of_device *op)
         __cg14_reset(&all->par);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -552,7 +556,7 @@ static int __devinit cg14_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -574,18 +578,18 @@ static int __devinit cg14_probe(struct of_device *dev, const struct of_device_id
         return cg14_init_one(op);
 }
 
-static int __devexit cg14_remove(struct of_device *dev)
+static int __devexit cg14_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        cg14_unmap_regs(all);
+        cg14_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index 9c8c753ef454..ada6f7e3a891 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -403,8 +403,10 @@ static int __devinit cg3_init_one(struct of_device *op)
                 cg3_do_default_mode(&all->par);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg3_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -415,8 +417,10 @@ static int __devinit cg3_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg3_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -436,19 +440,19 @@ static int __devinit cg3_probe(struct of_device *dev, const struct of_device_id
         return cg3_init_one(op);
 }
 
-static int __devexit cg3_remove(struct of_device *dev)
+static int __devexit cg3_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct cg3_regs));
+        of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 64146be2eeb0..4dad23a28f58 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -658,21 +658,26 @@ struct all_info {
         struct cg6_par par;
 };
 
-static void cg6_unmap_regs(struct all_info *all)
+static void cg6_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.fbc)
-                of_iounmap(all->par.fbc, 4096);
+                of_iounmap(&op->resource[0], all->par.fbc, 4096);
         if (all->par.tec)
-                of_iounmap(all->par.tec, sizeof(struct cg6_tec));
+                of_iounmap(&op->resource[0],
+                           all->par.tec, sizeof(struct cg6_tec));
         if (all->par.thc)
-                of_iounmap(all->par.thc, sizeof(struct cg6_thc));
+                of_iounmap(&op->resource[0],
+                           all->par.thc, sizeof(struct cg6_thc));
         if (all->par.bt)
-                of_iounmap(all->par.bt, sizeof(struct bt_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.bt, sizeof(struct bt_regs));
         if (all->par.fhc)
-                of_iounmap(all->par.fhc, sizeof(u32));
+                of_iounmap(&op->resource[0],
+                           all->par.fhc, sizeof(u32));
 
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit cg6_init_one(struct of_device *op)
@@ -720,7 +725,7 @@ static int __devinit cg6_init_one(struct of_device *op)
                                             all->par.fbsize, "cgsix ram");
         if (!all->par.fbc || !all->par.tec || !all->par.thc ||
             !all->par.bt || !all->par.fhc || !all->info.screen_base) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -734,7 +739,7 @@ static int __devinit cg6_init_one(struct of_device *op)
         cg6_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -744,7 +749,7 @@ static int __devinit cg6_init_one(struct of_device *op)
 
         err = register_framebuffer(&all->info);
         if (err < 0) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 fb_dealloc_cmap(&all->info.cmap);
                 kfree(all);
                 return err;
@@ -767,18 +772,18 @@ static int __devinit cg6_probe(struct of_device *dev, const struct of_device_id
         return cg6_init_one(op);
 }
 
-static int __devexit cg6_remove(struct of_device *dev)
+static int __devexit cg6_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        cg6_unmap_regs(all);
+        cg6_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index 949141bd44d4..15854aec3180 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -910,7 +910,8 @@ static int ffb_init_one(struct of_device *op)
         all->par.dac = of_ioremap(&op->resource[1], 0,
                                   sizeof(struct ffb_dac), "ffb dac");
         if (!all->par.dac) {
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -968,8 +969,10 @@ static int ffb_init_one(struct of_device *op)
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
                 printk(KERN_ERR "ffb: Could not allocate color map.\n");
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-                of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[1],
+                           all->par.dac, sizeof(struct ffb_dac));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -980,8 +983,10 @@ static int ffb_init_one(struct of_device *op)
         if (err < 0) {
                 printk(KERN_ERR "ffb: Could not register framebuffer.\n");
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-                of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[1],
+                           all->par.dac, sizeof(struct ffb_dac));
                 kfree(all);
                 return err;
         }
@@ -1003,19 +1008,19 @@ static int __devinit ffb_probe(struct of_device *dev, const struct of_device_id
         return ffb_init_one(op);
 }
 
-static int __devexit ffb_remove(struct of_device *dev)
+static int __devexit ffb_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-        of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+        of_iounmap(&op->resource[2], all->par.fbc, sizeof(struct ffb_fbc));
+        of_iounmap(&op->resource[1], all->par.dac, sizeof(struct ffb_dac));
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index f3a24338d9ac..a038aa5a9e1c 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -530,20 +530,21 @@ struct all_info {
         struct leo_par par;
 };
 
-static void leo_unmap_regs(struct all_info *all)
+static void leo_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.lc_ss0_usr)
-                of_iounmap(all->par.lc_ss0_usr, 0x1000);
+                of_iounmap(&op->resource[0], all->par.lc_ss0_usr, 0x1000);
         if (all->par.ld_ss0)
-                of_iounmap(all->par.ld_ss0, 0x1000);
+                of_iounmap(&op->resource[0], all->par.ld_ss0, 0x1000);
         if (all->par.ld_ss1)
-                of_iounmap(all->par.ld_ss1, 0x1000);
+                of_iounmap(&op->resource[0], all->par.ld_ss1, 0x1000);
         if (all->par.lx_krn)
-                of_iounmap(all->par.lx_krn, 0x1000);
+                of_iounmap(&op->resource[0], all->par.lx_krn, 0x1000);
         if (all->par.cursor)
-                of_iounmap(all->par.cursor, sizeof(struct leo_cursor));
+                of_iounmap(&op->resource[0],
+                           all->par.cursor, sizeof(struct leo_cursor));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, 0x800000);
+                of_iounmap(&op->resource[0], all->info.screen_base, 0x800000);
 }
 
 static int __devinit leo_init_one(struct of_device *op)
@@ -592,7 +593,7 @@ static int __devinit leo_init_one(struct of_device *op)
             !all->par.lx_krn ||
             !all->par.cursor ||
             !all->info.screen_base) {
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -607,7 +608,7 @@ static int __devinit leo_init_one(struct of_device *op)
         leo_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;;
         }
@@ -617,7 +618,7 @@ static int __devinit leo_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -638,18 +639,18 @@ static int __devinit leo_probe(struct of_device *dev, const struct of_device_id
         return leo_init_one(op);
 }
 
-static int __devexit leo_remove(struct of_device *dev)
+static int __devexit leo_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        leo_unmap_regs(all);
+        leo_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 56ac51d6a7f3..637b78bb4bf7 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -297,7 +297,8 @@ static int __devinit p9100_init_one(struct of_device *op)
         all->info.screen_base = of_ioremap(&op->resource[2], 0,
                                            all->par.fbsize, "p9100 ram");
         if (!all->info.screen_base) {
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -306,8 +307,10 @@ static int __devinit p9100_init_one(struct of_device *op)
         p9100_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[2],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -317,8 +320,10 @@ static int __devinit p9100_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[2],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -340,19 +345,19 @@ static int __devinit p9100_probe(struct of_device *dev, const struct of_device_i
         return p9100_init_one(op);
 }
 
-static int __devexit p9100_remove(struct of_device *dev)
+static int __devexit p9100_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct p9100_regs));
+        of_iounmap(&op->resource[2], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
index 6990ab11cd06..5a99669232ce 100644
--- a/drivers/video/tcx.c
+++ b/drivers/video/tcx.c
@@ -350,18 +350,23 @@ struct all_info {
         struct tcx_par par;
 };
 
-static void tcx_unmap_regs(struct all_info *all)
+static void tcx_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.tec)
-                of_iounmap(all->par.tec, sizeof(struct tcx_tec));
+                of_iounmap(&op->resource[7],
+                           all->par.tec, sizeof(struct tcx_tec));
         if (all->par.thc)
-                of_iounmap(all->par.thc, sizeof(struct tcx_thc));
+                of_iounmap(&op->resource[9],
+                           all->par.thc, sizeof(struct tcx_thc));
         if (all->par.bt)
-                of_iounmap(all->par.bt, sizeof(struct bt_regs));
+                of_iounmap(&op->resource[8],
+                           all->par.bt, sizeof(struct bt_regs));
         if (all->par.cplane)
-                of_iounmap(all->par.cplane, all->par.fbsize * sizeof(u32));
+                of_iounmap(&op->resource[4],
+                           all->par.cplane, all->par.fbsize * sizeof(u32));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit tcx_init_one(struct of_device *op)
@@ -398,7 +403,7 @@ static int __devinit tcx_init_one(struct of_device *op)
                                            all->par.fbsize, "tcx ram");
         if (!all->par.tec || !all->par.thc ||
             !all->par.bt || !all->info.screen_base) {
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -409,7 +414,7 @@ static int __devinit tcx_init_one(struct of_device *op)
                                              all->par.fbsize * sizeof(u32),
                                              "tcx cplane");
                 if (!all->par.cplane) {
-                        tcx_unmap_regs(all);
+                        tcx_unmap_regs(op, all);
                         kfree(all);
                         return -ENOMEM;
                 }
@@ -461,7 +466,7 @@ static int __devinit tcx_init_one(struct of_device *op)
         tcx_blank(FB_BLANK_UNBLANK, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -472,7 +477,7 @@ static int __devinit tcx_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -495,18 +500,18 @@ static int __devinit tcx_probe(struct of_device *dev, const struct of_device_id
         return tcx_init_one(op);
 }
 
-static int __devexit tcx_remove(struct of_device *dev)
+static int __devexit tcx_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        tcx_unmap_regs(all);
+        tcx_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }