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Diffstat (limited to 'drivers/uio')
-rw-r--r--drivers/uio/uio.c4
-rw-r--r--drivers/uio/uio_aec.c8
-rw-r--r--drivers/uio/uio_cif.c8
-rw-r--r--drivers/uio/uio_dmem_genirq.c62
-rw-r--r--drivers/uio/uio_fsl_elbc_gpcm.c32
-rw-r--r--drivers/uio/uio_hv_generic.c8
-rw-r--r--drivers/uio/uio_mf624.c8
-rw-r--r--drivers/uio/uio_netx.c8
-rw-r--r--drivers/uio/uio_pci_generic.c39
-rw-r--r--drivers/uio/uio_pruss.c34
-rw-r--r--drivers/uio/uio_sercos3.c14
11 files changed, 59 insertions, 166 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index be06f1a961c2..ea96e319c8a0 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -906,7 +906,7 @@ static void uio_device_release(struct device *dev)
}
/**
- * uio_register_device - register a new userspace IO device
+ * __uio_register_device - register a new userspace IO device
* @owner: module that creates the new device
* @parent: parent device
* @info: UIO device capabilities
@@ -1002,7 +1002,7 @@ static void devm_uio_unregister_device(struct device *dev, void *res)
}
/**
- * devm_uio_register_device - Resource managed uio_register_device()
+ * __devm_uio_register_device - Resource managed uio_register_device()
* @owner: module that creates the new device
* @parent: parent device
* @info: UIO device capabilities
diff --git a/drivers/uio/uio_aec.c b/drivers/uio/uio_aec.c
index 381a26dfac46..32357f8a92b5 100644
--- a/drivers/uio/uio_aec.c
+++ b/drivers/uio/uio_aec.c
@@ -71,12 +71,12 @@ static int probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct uio_info *info;
int ret;
- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
if (pci_enable_device(pdev))
- goto out_free;
+ return -ENODEV;
if (pci_request_regions(pdev, "aectc"))
goto out_disable;
@@ -117,8 +117,6 @@ out_release:
pci_release_regions(pdev);
out_disable:
pci_disable_device(pdev);
-out_free:
- kfree(info);
return -ENODEV;
}
@@ -136,8 +134,6 @@ static void remove(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_disable_device(pdev);
iounmap(info->priv);
-
- kfree(info);
}
static struct pci_driver pci_driver = {
diff --git a/drivers/uio/uio_cif.c b/drivers/uio/uio_cif.c
index ab60186f9759..653f842a1491 100644
--- a/drivers/uio/uio_cif.c
+++ b/drivers/uio/uio_cif.c
@@ -43,12 +43,12 @@ static int hilscher_pci_probe(struct pci_dev *dev,
{
struct uio_info *info;
- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
if (pci_enable_device(dev))
- goto out_free;
+ return -ENODEV;
if (pci_request_regions(dev, "hilscher"))
goto out_disable;
@@ -92,8 +92,6 @@ out_release:
pci_release_regions(dev);
out_disable:
pci_disable_device(dev);
-out_free:
- kfree (info);
return -ENODEV;
}
@@ -105,8 +103,6 @@ static void hilscher_pci_remove(struct pci_dev *dev)
pci_release_regions(dev);
pci_disable_device(dev);
iounmap(info->mem[0].internal_addr);
-
- kfree (info);
}
static struct pci_device_id hilscher_pci_ids[] = {
diff --git a/drivers/uio/uio_dmem_genirq.c b/drivers/uio/uio_dmem_genirq.c
index ec7f66f4555a..6b5cfa5b0673 100644
--- a/drivers/uio/uio_dmem_genirq.c
+++ b/drivers/uio/uio_dmem_genirq.c
@@ -143,6 +143,13 @@ static int uio_dmem_genirq_irqcontrol(struct uio_info *dev_info, s32 irq_on)
return 0;
}
+static void uio_dmem_genirq_pm_disable(void *data)
+{
+ struct device *dev = data;
+
+ pm_runtime_disable(dev);
+}
+
static int uio_dmem_genirq_probe(struct platform_device *pdev)
{
struct uio_dmem_genirq_pdata *pdata = dev_get_platdata(&pdev->dev);
@@ -154,11 +161,10 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev)
if (pdev->dev.of_node) {
/* alloc uioinfo for one device */
- uioinfo = kzalloc(sizeof(*uioinfo), GFP_KERNEL);
+ uioinfo = devm_kzalloc(&pdev->dev, sizeof(*uioinfo), GFP_KERNEL);
if (!uioinfo) {
- ret = -ENOMEM;
dev_err(&pdev->dev, "unable to kmalloc\n");
- goto bad2;
+ return -ENOMEM;
}
uioinfo->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn",
pdev->dev.of_node);
@@ -167,20 +173,19 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev)
if (!uioinfo || !uioinfo->name || !uioinfo->version) {
dev_err(&pdev->dev, "missing platform_data\n");
- goto bad0;
+ return -EINVAL;
}
if (uioinfo->handler || uioinfo->irqcontrol ||
uioinfo->irq_flags & IRQF_SHARED) {
dev_err(&pdev->dev, "interrupt configuration error\n");
- goto bad0;
+ return -EINVAL;
}
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv) {
- ret = -ENOMEM;
dev_err(&pdev->dev, "unable to kmalloc\n");
- goto bad0;
+ return -ENOMEM;
}
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
@@ -197,7 +202,7 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev)
if (ret == -ENXIO && pdev->dev.of_node)
ret = UIO_IRQ_NONE;
else if (ret < 0)
- goto bad1;
+ return ret;
uioinfo->irq = ret;
}
@@ -282,41 +287,11 @@ static int uio_dmem_genirq_probe(struct platform_device *pdev)
*/
pm_runtime_enable(&pdev->dev);
- ret = uio_register_device(&pdev->dev, priv->uioinfo);
- if (ret) {
- dev_err(&pdev->dev, "unable to register uio device\n");
- pm_runtime_disable(&pdev->dev);
- goto bad1;
- }
-
- platform_set_drvdata(pdev, priv);
- return 0;
- bad1:
- kfree(priv);
- bad0:
- /* kfree uioinfo for OF */
- if (pdev->dev.of_node)
- kfree(uioinfo);
- bad2:
- return ret;
-}
-
-static int uio_dmem_genirq_remove(struct platform_device *pdev)
-{
- struct uio_dmem_genirq_platdata *priv = platform_get_drvdata(pdev);
-
- uio_unregister_device(priv->uioinfo);
- pm_runtime_disable(&pdev->dev);
+ ret = devm_add_action_or_reset(&pdev->dev, uio_dmem_genirq_pm_disable, &pdev->dev);
+ if (ret)
+ return ret;
- priv->uioinfo->handler = NULL;
- priv->uioinfo->irqcontrol = NULL;
-
- /* kfree uioinfo for OF */
- if (pdev->dev.of_node)
- kfree(priv->uioinfo);
-
- kfree(priv);
- return 0;
+ return devm_uio_register_device(&pdev->dev, priv->uioinfo);
}
static int uio_dmem_genirq_runtime_nop(struct device *dev)
@@ -350,7 +325,6 @@ MODULE_DEVICE_TABLE(of, uio_of_genirq_match);
static struct platform_driver uio_dmem_genirq = {
.probe = uio_dmem_genirq_probe,
- .remove = uio_dmem_genirq_remove,
.driver = {
.name = DRIVER_NAME,
.pm = &uio_dmem_genirq_dev_pm_ops,
diff --git a/drivers/uio/uio_fsl_elbc_gpcm.c b/drivers/uio/uio_fsl_elbc_gpcm.c
index be8a6905f507..7d8eb9dc2068 100644
--- a/drivers/uio/uio_fsl_elbc_gpcm.c
+++ b/drivers/uio/uio_fsl_elbc_gpcm.c
@@ -299,7 +299,7 @@ static int get_of_data(struct fsl_elbc_gpcm *priv, struct device_node *node,
/* get optional uio name */
if (of_property_read_string(node, "uio_name", &dt_name) != 0)
dt_name = "eLBC_GPCM";
- *name = kstrdup(dt_name, GFP_KERNEL);
+ *name = devm_kstrdup(priv->dev, dt_name, GFP_KERNEL);
if (!*name)
return -ENOMEM;
@@ -324,7 +324,7 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
return -ENODEV;
/* allocate private data */
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->dev = &pdev->dev;
@@ -334,14 +334,12 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
ret = get_of_data(priv, node, &res, &reg_br_new, &reg_or_new,
&irq, &uio_name);
if (ret)
- goto out_err0;
+ return ret;
/* allocate UIO structure */
- info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (!info) {
- ret = -ENOMEM;
- goto out_err0;
- }
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
/* get current BR/OR values */
reg_br_cur = in_be32(&priv->lbc->bank[priv->bank].br);
@@ -354,8 +352,7 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
!= fsl_lbc_addr(res.start)) {
dev_err(priv->dev,
"bank in use by another peripheral\n");
- ret = -ENODEV;
- goto out_err1;
+ return -ENODEV;
}
/* warn if behavior settings changing */
@@ -382,12 +379,11 @@ static int uio_fsl_elbc_gpcm_probe(struct platform_device *pdev)
info->mem[0].internal_addr = ioremap(res.start, resource_size(&res));
if (!info->mem[0].internal_addr) {
dev_err(priv->dev, "failed to map chip region\n");
- ret = -ENODEV;
- goto out_err1;
+ return -ENODEV;
}
/* set all UIO data */
- info->mem[0].name = kasprintf(GFP_KERNEL, "%pOFn", node);
+ info->mem[0].name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn", node);
info->mem[0].addr = res.start;
info->mem[0].size = resource_size(&res);
info->mem[0].memtype = UIO_MEM_PHYS;
@@ -428,12 +424,6 @@ out_err2:
if (priv->shutdown)
priv->shutdown(info, true);
iounmap(info->mem[0].internal_addr);
-out_err1:
- kfree(info->mem[0].name);
- kfree(info);
-out_err0:
- kfree(uio_name);
- kfree(priv);
return ret;
}
@@ -447,10 +437,6 @@ static int uio_fsl_elbc_gpcm_remove(struct platform_device *pdev)
if (priv->shutdown)
priv->shutdown(info, false);
iounmap(info->mem[0].internal_addr);
- kfree(info->mem[0].name);
- kfree(info->name);
- kfree(info);
- kfree(priv);
return 0;
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index 4dae2320b103..0330ba99730e 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -247,14 +247,14 @@ hv_uio_probe(struct hv_device *dev,
return -ENOTSUPP;
}
- pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+ pdata = devm_kzalloc(&dev->device, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
ret = vmbus_alloc_ring(channel, HV_RING_SIZE * PAGE_SIZE,
HV_RING_SIZE * PAGE_SIZE);
if (ret)
- goto fail;
+ return ret;
set_channel_read_mode(channel, HV_CALL_ISR);
@@ -347,8 +347,6 @@ hv_uio_probe(struct hv_device *dev,
fail_close:
hv_uio_cleanup(dev, pdata);
-fail:
- kfree(pdata);
return ret;
}
@@ -364,10 +362,8 @@ hv_uio_remove(struct hv_device *dev)
sysfs_remove_bin_file(&dev->channel->kobj, &ring_buffer_bin_attr);
uio_unregister_device(&pdata->info);
hv_uio_cleanup(dev, pdata);
- hv_set_drvdata(dev, NULL);
vmbus_free_ring(dev->channel);
- kfree(pdata);
return 0;
}
diff --git a/drivers/uio/uio_mf624.c b/drivers/uio/uio_mf624.c
index b6a406986667..5065c6a073a8 100644
--- a/drivers/uio/uio_mf624.c
+++ b/drivers/uio/uio_mf624.c
@@ -136,12 +136,12 @@ static int mf624_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct uio_info *info;
- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
if (pci_enable_device(dev))
- goto out_free;
+ return -ENODEV;
if (pci_request_regions(dev, "mf624"))
goto out_disable;
@@ -189,8 +189,6 @@ out_release:
out_disable:
pci_disable_device(dev);
-out_free:
- kfree(info);
return -ENODEV;
}
@@ -207,8 +205,6 @@ static void mf624_pci_remove(struct pci_dev *dev)
iounmap(info->mem[0].internal_addr);
iounmap(info->mem[1].internal_addr);
iounmap(info->mem[2].internal_addr);
-
- kfree(info);
}
static const struct pci_device_id mf624_pci_id[] = {
diff --git a/drivers/uio/uio_netx.c b/drivers/uio/uio_netx.c
index 9ae29ffde410..2319d6de8d04 100644
--- a/drivers/uio/uio_netx.c
+++ b/drivers/uio/uio_netx.c
@@ -53,12 +53,12 @@ static int netx_pci_probe(struct pci_dev *dev,
struct uio_info *info;
int bar;
- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
if (pci_enable_device(dev))
- goto out_free;
+ return -ENODEV;
if (pci_request_regions(dev, "netx"))
goto out_disable;
@@ -112,8 +112,6 @@ out_release:
pci_release_regions(dev);
out_disable:
pci_disable_device(dev);
-out_free:
- kfree(info);
return -ENODEV;
}
@@ -127,8 +125,6 @@ static void netx_pci_remove(struct pci_dev *dev)
pci_release_regions(dev);
pci_disable_device(dev);
iounmap(info->mem[0].internal_addr);
-
- kfree(info);
}
static struct pci_device_id netx_pci_ids[] = {
diff --git a/drivers/uio/uio_pci_generic.c b/drivers/uio/uio_pci_generic.c
index dde5cbb27178..b8e44d16279f 100644
--- a/drivers/uio/uio_pci_generic.c
+++ b/drivers/uio/uio_pci_generic.c
@@ -74,23 +74,19 @@ static int probe(struct pci_dev *pdev,
struct uio_pci_generic_dev *gdev;
int err;
- err = pci_enable_device(pdev);
+ err = pcim_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "%s: pci_enable_device failed: %d\n",
__func__, err);
return err;
}
- if (pdev->irq && !pci_intx_mask_supported(pdev)) {
- err = -ENODEV;
- goto err_verify;
- }
+ if (pdev->irq && !pci_intx_mask_supported(pdev))
+ return -ENOMEM;
- gdev = kzalloc(sizeof(struct uio_pci_generic_dev), GFP_KERNEL);
- if (!gdev) {
- err = -ENOMEM;
- goto err_alloc;
- }
+ gdev = devm_kzalloc(&pdev->dev, sizeof(struct uio_pci_generic_dev), GFP_KERNEL);
+ if (!gdev)
+ return -ENOMEM;
gdev->info.name = "uio_pci_generic";
gdev->info.version = DRIVER_VERSION;
@@ -105,34 +101,13 @@ static int probe(struct pci_dev *pdev,
"no support for interrupts?\n");
}
- err = uio_register_device(&pdev->dev, &gdev->info);
- if (err)
- goto err_register;
- pci_set_drvdata(pdev, gdev);
-
- return 0;
-err_register:
- kfree(gdev);
-err_alloc:
-err_verify:
- pci_disable_device(pdev);
- return err;
-}
-
-static void remove(struct pci_dev *pdev)
-{
- struct uio_pci_generic_dev *gdev = pci_get_drvdata(pdev);
-
- uio_unregister_device(&gdev->info);
- pci_disable_device(pdev);
- kfree(gdev);
+ return devm_uio_register_device(&pdev->dev, &gdev->info);
}
static struct pci_driver uio_pci_driver = {
.name = "uio_pci_generic",
.id_table = NULL, /* only dynamic id's */
.probe = probe,
- .remove = remove,
};
module_pci_driver(uio_pci_driver);
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 1cc175d3c25c..e9096f53b4cc 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -99,7 +99,6 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev)
for (cnt = 0; cnt < MAX_PRUSS_EVT; cnt++, p++) {
uio_unregister_device(p);
- kfree(p->name);
}
iounmap(gdev->prussio_vaddr);
if (gdev->ddr_vaddr) {
@@ -110,10 +109,7 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev)
gen_pool_free(gdev->sram_pool,
gdev->sram_vaddr,
sram_pool_sz);
- kfree(gdev->info);
clk_disable(gdev->pruss_clk);
- clk_put(gdev->pruss_clk);
- kfree(gdev);
}
static int pruss_probe(struct platform_device *pdev)
@@ -125,28 +121,25 @@ static int pruss_probe(struct platform_device *pdev)
int ret, cnt, i, len;
struct uio_pruss_pdata *pdata = dev_get_platdata(dev);
- gdev = kzalloc(sizeof(struct uio_pruss_dev), GFP_KERNEL);
+ gdev = devm_kzalloc(dev, sizeof(struct uio_pruss_dev), GFP_KERNEL);
if (!gdev)
return -ENOMEM;
- gdev->info = kcalloc(MAX_PRUSS_EVT, sizeof(*p), GFP_KERNEL);
- if (!gdev->info) {
- ret = -ENOMEM;
- goto err_free_gdev;
- }
+ gdev->info = devm_kcalloc(dev, MAX_PRUSS_EVT, sizeof(*p), GFP_KERNEL);
+ if (!gdev->info)
+ return -ENOMEM;
/* Power on PRU in case its not done as part of boot-loader */
- gdev->pruss_clk = clk_get(dev, "pruss");
+ gdev->pruss_clk = devm_clk_get(dev, "pruss");
if (IS_ERR(gdev->pruss_clk)) {
dev_err(dev, "Failed to get clock\n");
- ret = PTR_ERR(gdev->pruss_clk);
- goto err_free_info;
+ return PTR_ERR(gdev->pruss_clk);
}
ret = clk_enable(gdev->pruss_clk);
if (ret) {
dev_err(dev, "Failed to enable clock\n");
- goto err_clk_put;
+ return ret;
}
regs_prussio = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -206,7 +199,7 @@ static int pruss_probe(struct platform_device *pdev)
p->mem[2].size = extram_pool_sz;
p->mem[2].memtype = UIO_MEM_PHYS;
- p->name = kasprintf(GFP_KERNEL, "pruss_evt%d", cnt);
+ p->name = devm_kasprintf(dev, GFP_KERNEL, "pruss_evt%d", cnt);
p->version = DRV_VERSION;
/* Register PRUSS IRQ lines */
@@ -215,10 +208,8 @@ static int pruss_probe(struct platform_device *pdev)
p->priv = gdev;
ret = uio_register_device(dev, p);
- if (ret < 0) {
- kfree(p->name);
+ if (ret < 0)
goto err_unloop;
- }
}
platform_set_drvdata(pdev, gdev);
@@ -227,7 +218,6 @@ static int pruss_probe(struct platform_device *pdev)
err_unloop:
for (i = 0, p = gdev->info; i < cnt; i++, p++) {
uio_unregister_device(p);
- kfree(p->name);
}
iounmap(gdev->prussio_vaddr);
err_free_ddr_vaddr:
@@ -238,12 +228,6 @@ err_free_sram:
gen_pool_free(gdev->sram_pool, gdev->sram_vaddr, sram_pool_sz);
err_clk_disable:
clk_disable(gdev->pruss_clk);
-err_clk_put:
- clk_put(gdev->pruss_clk);
-err_free_info:
- kfree(gdev->info);
-err_free_gdev:
- kfree(gdev);
return ret;
}
diff --git a/drivers/uio/uio_sercos3.c b/drivers/uio/uio_sercos3.c
index 9658a0887fee..b93a5f8f4cba 100644
--- a/drivers/uio/uio_sercos3.c
+++ b/drivers/uio/uio_sercos3.c
@@ -124,16 +124,16 @@ static int sercos3_pci_probe(struct pci_dev *dev,
struct sercos3_priv *priv;
int i;
- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
- priv = kzalloc(sizeof(struct sercos3_priv), GFP_KERNEL);
+ priv = devm_kzalloc(&dev->dev, sizeof(struct sercos3_priv), GFP_KERNEL);
if (!priv)
- goto out_free;
+ return -ENOMEM;
if (pci_enable_device(dev))
- goto out_free_priv;
+ return -ENODEV;
if (pci_request_regions(dev, "sercos3"))
goto out_disable;
@@ -174,10 +174,6 @@ out_unmap:
pci_release_regions(dev);
out_disable:
pci_disable_device(dev);
-out_free_priv:
- kfree(priv);
-out_free:
- kfree(info);
return -ENODEV;
}
@@ -193,8 +189,6 @@ static void sercos3_pci_remove(struct pci_dev *dev)
if (info->mem[i].internal_addr)
iounmap(info->mem[i].internal_addr);
}
- kfree(info->priv);
- kfree(info);
}
static struct pci_device_id sercos3_pci_ids[] = {
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-10 14:35:42 +0300