Remove the local function feature_dev_id_type() in favour of persisting
the FIU type in struct dfl_feature_platform_data. Add type to struct
build_feature_devs_info and drop argument to build_info_create_dev().
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
---
drivers/fpga/dfl.c | 57 ++++++++++++++++++++++------------------------
drivers/fpga/dfl.h | 3 +++
2 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index e644eb9fde39..9610ef1ec2ff 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -119,17 +119,6 @@ static void dfl_id_free(enum dfl_id_type type, int id)
mutex_unlock(&dfl_id_mutex);
}
-static enum dfl_id_type feature_dev_id_type(struct platform_device *pdev)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(dfl_devs); i++)
- if (!strcmp(dfl_devs[i].name, pdev->name))
- return i;
-
- return DFL_ID_MAX;
-}
-
static enum dfl_id_type dfh_id_to_type(u16 id)
{
int i;
@@ -379,7 +368,7 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata,
if (ret)
goto put_dev;
- ddev->type = feature_dev_id_type(pdev);
+ ddev->type = pdata->type;
ddev->feature_id = feature->id;
ddev->revision = feature->revision;
ddev->dfh_version = feature->dfh_version;
@@ -693,6 +682,7 @@ EXPORT_SYMBOL_GPL(dfl_fpga_dev_ops_unregister);
* @irq_table: Linux IRQ numbers for all irqs, indexed by local irq index of
* this device.
* @feature_dev: current feature device.
+ * @type: the current FIU type.
* @ioaddr: header register region address of current FIU in enumeration.
* @start: register resource start of current FIU.
* @len: max register resource length of current FIU.
@@ -706,6 +696,7 @@ struct build_feature_devs_info {
int *irq_table;
struct platform_device *feature_dev;
+ enum dfl_id_type type;
void __iomem *ioaddr;
resource_size_t start;
resource_size_t len;
@@ -752,13 +743,12 @@ static void dfl_fpga_cdev_add_port_data(struct dfl_fpga_cdev *cdev,
static struct dfl_feature_platform_data *
binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
{
+ enum dfl_id_type type = binfo->type;
struct platform_device *fdev = binfo->feature_dev;
struct dfl_feature_platform_data *pdata;
struct dfl_feature_info *finfo, *p;
- enum dfl_id_type type;
int ret, index = 0, res_idx = 0;
- type = feature_dev_id_type(fdev);
if (WARN_ON_ONCE(type >= DFL_ID_MAX))
return ERR_PTR(-EINVAL);
@@ -773,6 +763,7 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
return ERR_PTR(-ENOMEM);
pdata->dev = fdev;
+ pdata->type = type;
pdata->num = binfo->feature_num;
pdata->dfl_cdev = binfo->cdev;
pdata->id = FEATURE_DEV_ID_UNUSED;
@@ -861,14 +852,11 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
}
static int
-build_info_create_dev(struct build_feature_devs_info *binfo,
- enum dfl_id_type type)
+build_info_create_dev(struct build_feature_devs_info *binfo)
{
+ enum dfl_id_type type = binfo->type;
struct platform_device *fdev;
- if (type >= DFL_ID_MAX)
- return -EINVAL;
-
/*
* we use -ENODEV as the initialization indicator which indicates
* whether the id need to be reclaimed
@@ -905,7 +893,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
if (ret)
return ret;
- if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)
+ if (binfo->type == PORT_ID)
dfl_fpga_cdev_add_port_data(binfo->cdev, pdata);
else
binfo->cdev->fme_dev = get_device(&binfo->feature_dev->dev);
@@ -919,6 +907,9 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
*/
binfo->feature_dev = NULL;
+ /* reset the binfo for next FIU */
+ binfo->type = DFL_ID_MAX;
+
return 0;
}
@@ -931,8 +922,7 @@ static void build_info_free(struct build_feature_devs_info *binfo)
* build_info_create_dev()
*/
if (binfo->feature_dev && binfo->feature_dev->id >= 0) {
- dfl_id_free(feature_dev_id_type(binfo->feature_dev),
- binfo->feature_dev->id);
+ dfl_id_free(binfo->type, binfo->feature_dev->id);
list_for_each_entry_safe(finfo, p, &binfo->sub_features, node) {
list_del(&finfo->node);
@@ -1030,7 +1020,7 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
* Instead, features with interrupt functionality provide
* the information in feature specific registers.
*/
- type = feature_dev_id_type(binfo->feature_dev);
+ type = binfo->type;
if (type == PORT_ID) {
switch (fid) {
case PORT_FEATURE_ID_UINT:
@@ -1222,7 +1212,7 @@ static int parse_feature_port_afu(struct build_feature_devs_info *binfo,
return create_feature_instance(binfo, ofst, size, FEATURE_ID_AFU);
}
-#define is_feature_dev_detected(binfo) (!!(binfo)->feature_dev)
+#define is_feature_dev_detected(binfo) ((binfo)->type != DFL_ID_MAX)
static int parse_feature_afu(struct build_feature_devs_info *binfo,
resource_size_t ofst)
@@ -1232,7 +1222,7 @@ static int parse_feature_afu(struct build_feature_devs_info *binfo,
return -EINVAL;
}
- switch (feature_dev_id_type(binfo->feature_dev)) {
+ switch (binfo->type) {
case PORT_ID:
return parse_feature_port_afu(binfo, ofst);
default:
@@ -1278,6 +1268,7 @@ static void build_info_complete(struct build_feature_devs_info *binfo)
static int parse_feature_fiu(struct build_feature_devs_info *binfo,
resource_size_t ofst)
{
+ enum dfl_id_type type;
int ret = 0;
u32 offset;
u16 id;
@@ -1299,8 +1290,14 @@ static int parse_feature_fiu(struct build_feature_devs_info *binfo,
v = readq(binfo->ioaddr + DFH);
id = FIELD_GET(DFH_ID, v);
+ type = dfh_id_to_type(id);
+ if (type >= DFL_ID_MAX)
+ return -EINVAL;
+
+ binfo->type = type;
+
/* create platform device for dfl feature dev */
- ret = build_info_create_dev(binfo, dfh_id_to_type(id));
+ ret = build_info_create_dev(binfo);
if (ret)
return ret;
@@ -1520,13 +1517,13 @@ EXPORT_SYMBOL_GPL(dfl_fpga_enum_info_add_irq);
static int remove_feature_dev(struct device *dev, void *data)
{
+ struct dfl_feature_platform_data *pdata = dev_get_platdata(dev);
struct platform_device *pdev = to_platform_device(dev);
- enum dfl_id_type type = feature_dev_id_type(pdev);
int id = pdev->id;
platform_device_unregister(pdev);
- dfl_id_free(type, id);
+ dfl_id_free(pdata->type, id);
return 0;
}
@@ -1578,6 +1575,7 @@ dfl_fpga_feature_devs_enumerate(struct dfl_fpga_enum_info *info)
goto unregister_region_exit;
}
+ binfo->type = DFL_ID_MAX;
binfo->dev = info->dev;
binfo->cdev = cdev;
@@ -1630,8 +1628,7 @@ void dfl_fpga_feature_devs_remove(struct dfl_fpga_cdev *cdev)
/* remove released ports */
if (!device_is_registered(&port_dev->dev)) {
- dfl_id_free(feature_dev_id_type(port_dev),
- port_dev->id);
+ dfl_id_free(pdata->type, port_dev->id);
platform_device_put(port_dev);
}
diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h
index 8ef9f33e22c1..d3a8a8ef908b 100644
--- a/drivers/fpga/dfl.h
+++ b/drivers/fpga/dfl.h
@@ -17,6 +17,7 @@
#include <linux/bitfield.h>
#include <linux/cdev.h>
#include <linux/delay.h>
+#include <linux/dfl.h>
#include <linux/eventfd.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
@@ -308,6 +309,7 @@ struct dfl_feature {
* @lock: mutex to protect platform data.
* @cdev: cdev of feature dev.
* @dev: ptr to platform device linked with this platform data.
+ * @type: type of DFL FIU for the feature dev. See enum dfl_id_type.
* @dfl_cdev: ptr to container device.
* @id: id used for this feature device.
* @disable_count: count for port disable.
@@ -322,6 +324,7 @@ struct dfl_feature_platform_data {
struct mutex lock;
struct cdev cdev;
struct platform_device *dev;
+ enum dfl_id_type type;
struct dfl_fpga_cdev *dfl_cdev;
int id;
unsigned int disable_count;
--
2.46.1
On Thu, Sep 19, 2024 at 04:34:28PM -0400, Peter Colberg wrote:
> Remove the local function feature_dev_id_type() in favour of persisting
> the FIU type in struct dfl_feature_platform_data. Add type to struct
> build_feature_devs_info and drop argument to build_info_create_dev().
>
> Signed-off-by: Peter Colberg <peter.colberg@intel.com>
> Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
> ---
> drivers/fpga/dfl.c | 57 ++++++++++++++++++++++------------------------
> drivers/fpga/dfl.h | 3 +++
> 2 files changed, 30 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index e644eb9fde39..9610ef1ec2ff 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -119,17 +119,6 @@ static void dfl_id_free(enum dfl_id_type type, int id)
> mutex_unlock(&dfl_id_mutex);
> }
>
> -static enum dfl_id_type feature_dev_id_type(struct platform_device *pdev)
> -{
> - int i;
> -
> - for (i = 0; i < ARRAY_SIZE(dfl_devs); i++)
> - if (!strcmp(dfl_devs[i].name, pdev->name))
> - return i;
> -
> - return DFL_ID_MAX;
> -}
> -
> static enum dfl_id_type dfh_id_to_type(u16 id)
> {
> int i;
> @@ -379,7 +368,7 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata,
> if (ret)
> goto put_dev;
>
> - ddev->type = feature_dev_id_type(pdev);
> + ddev->type = pdata->type;
> ddev->feature_id = feature->id;
> ddev->revision = feature->revision;
> ddev->dfh_version = feature->dfh_version;
> @@ -693,6 +682,7 @@ EXPORT_SYMBOL_GPL(dfl_fpga_dev_ops_unregister);
> * @irq_table: Linux IRQ numbers for all irqs, indexed by local irq index of
> * this device.
> * @feature_dev: current feature device.
> + * @type: the current FIU type.
> * @ioaddr: header register region address of current FIU in enumeration.
> * @start: register resource start of current FIU.
> * @len: max register resource length of current FIU.
> @@ -706,6 +696,7 @@ struct build_feature_devs_info {
> int *irq_table;
>
> struct platform_device *feature_dev;
> + enum dfl_id_type type;
> void __iomem *ioaddr;
> resource_size_t start;
> resource_size_t len;
> @@ -752,13 +743,12 @@ static void dfl_fpga_cdev_add_port_data(struct dfl_fpga_cdev *cdev,
> static struct dfl_feature_platform_data *
> binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> {
> + enum dfl_id_type type = binfo->type;
> struct platform_device *fdev = binfo->feature_dev;
> struct dfl_feature_platform_data *pdata;
> struct dfl_feature_info *finfo, *p;
> - enum dfl_id_type type;
Move this line up breaks the reverse Xmas tree, seems no need.
> int ret, index = 0, res_idx = 0;
>
> - type = feature_dev_id_type(fdev);
> if (WARN_ON_ONCE(type >= DFL_ID_MAX))
> return ERR_PTR(-EINVAL);
>
> @@ -773,6 +763,7 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> return ERR_PTR(-ENOMEM);
>
> pdata->dev = fdev;
> + pdata->type = type;
> pdata->num = binfo->feature_num;
> pdata->dfl_cdev = binfo->cdev;
> pdata->id = FEATURE_DEV_ID_UNUSED;
> @@ -861,14 +852,11 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> }
>
> static int
> -build_info_create_dev(struct build_feature_devs_info *binfo,
> - enum dfl_id_type type)
> +build_info_create_dev(struct build_feature_devs_info *binfo)
> {
> + enum dfl_id_type type = binfo->type;
> struct platform_device *fdev;
>
> - if (type >= DFL_ID_MAX)
> - return -EINVAL;
> -
> /*
> * we use -ENODEV as the initialization indicator which indicates
> * whether the id need to be reclaimed
> @@ -905,7 +893,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
> if (ret)
> return ret;
>
> - if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)
> + if (binfo->type == PORT_ID)
> dfl_fpga_cdev_add_port_data(binfo->cdev, pdata);
> else
> binfo->cdev->fme_dev = get_device(&binfo->feature_dev->dev);
> @@ -919,6 +907,9 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
> */
> binfo->feature_dev = NULL;
>
> + /* reset the binfo for next FIU */
> + binfo->type = DFL_ID_MAX;
> +
> return 0;
> }
>
> @@ -931,8 +922,7 @@ static void build_info_free(struct build_feature_devs_info *binfo)
> * build_info_create_dev()
> */
> if (binfo->feature_dev && binfo->feature_dev->id >= 0) {
> - dfl_id_free(feature_dev_id_type(binfo->feature_dev),
> - binfo->feature_dev->id);
> + dfl_id_free(binfo->type, binfo->feature_dev->id);
>
> list_for_each_entry_safe(finfo, p, &binfo->sub_features, node) {
> list_del(&finfo->node);
> @@ -1030,7 +1020,7 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
> * Instead, features with interrupt functionality provide
> * the information in feature specific registers.
> */
> - type = feature_dev_id_type(binfo->feature_dev);
> + type = binfo->type;
> if (type == PORT_ID) {
> switch (fid) {
> case PORT_FEATURE_ID_UINT:
> @@ -1222,7 +1212,7 @@ static int parse_feature_port_afu(struct build_feature_devs_info *binfo,
> return create_feature_instance(binfo, ofst, size, FEATURE_ID_AFU);
> }
>
> -#define is_feature_dev_detected(binfo) (!!(binfo)->feature_dev)
> +#define is_feature_dev_detected(binfo) ((binfo)->type != DFL_ID_MAX)
Seems too early to make this change. The 2 fields don't always align in
this phase ..
>
> static int parse_feature_afu(struct build_feature_devs_info *binfo,
> resource_size_t ofst)
> @@ -1232,7 +1222,7 @@ static int parse_feature_afu(struct build_feature_devs_info *binfo,
> return -EINVAL;
> }
>
> - switch (feature_dev_id_type(binfo->feature_dev)) {
> + switch (binfo->type) {
> case PORT_ID:
> return parse_feature_port_afu(binfo, ofst);
> default:
> @@ -1278,6 +1268,7 @@ static void build_info_complete(struct build_feature_devs_info *binfo)
> static int parse_feature_fiu(struct build_feature_devs_info *binfo,
> resource_size_t ofst)
> {
> + enum dfl_id_type type;
> int ret = 0;
> u32 offset;
> u16 id;
> @@ -1299,8 +1290,14 @@ static int parse_feature_fiu(struct build_feature_devs_info *binfo,
> v = readq(binfo->ioaddr + DFH);
> id = FIELD_GET(DFH_ID, v);
>
> + type = dfh_id_to_type(id);
> + if (type >= DFL_ID_MAX)
> + return -EINVAL;
> +
> + binfo->type = type;
> +
> /* create platform device for dfl feature dev */
> - ret = build_info_create_dev(binfo, dfh_id_to_type(id));
> + ret = build_info_create_dev(binfo);
.. like here, binfo->type is valid but binfo->feature_dev may not.
Thanks,
Yilun
On Tue, 2024-09-24 at 15:42 +0800, Xu Yilun wrote:
> On Thu, Sep 19, 2024 at 04:34:28PM -0400, Peter Colberg wrote:
> > Remove the local function feature_dev_id_type() in favour of persisting
> > the FIU type in struct dfl_feature_platform_data. Add type to struct
> > build_feature_devs_info and drop argument to build_info_create_dev().
> >
> > Signed-off-by: Peter Colberg <peter.colberg@intel.com>
> > Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
> > ---
> > drivers/fpga/dfl.c | 57 ++++++++++++++++++++++------------------------
> > drivers/fpga/dfl.h | 3 +++
> > 2 files changed, 30 insertions(+), 30 deletions(-)
> >
> > diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> > index e644eb9fde39..9610ef1ec2ff 100644
> > --- a/drivers/fpga/dfl.c
> > +++ b/drivers/fpga/dfl.c
> > @@ -119,17 +119,6 @@ static void dfl_id_free(enum dfl_id_type type, int id)
> > mutex_unlock(&dfl_id_mutex);
> > }
> >
> > -static enum dfl_id_type feature_dev_id_type(struct platform_device *pdev)
> > -{
> > - int i;
> > -
> > - for (i = 0; i < ARRAY_SIZE(dfl_devs); i++)
> > - if (!strcmp(dfl_devs[i].name, pdev->name))
> > - return i;
> > -
> > - return DFL_ID_MAX;
> > -}
> > -
> > static enum dfl_id_type dfh_id_to_type(u16 id)
> > {
> > int i;
> > @@ -379,7 +368,7 @@ dfl_dev_add(struct dfl_feature_platform_data *pdata,
> > if (ret)
> > goto put_dev;
> >
> > - ddev->type = feature_dev_id_type(pdev);
> > + ddev->type = pdata->type;
> > ddev->feature_id = feature->id;
> > ddev->revision = feature->revision;
> > ddev->dfh_version = feature->dfh_version;
> > @@ -693,6 +682,7 @@ EXPORT_SYMBOL_GPL(dfl_fpga_dev_ops_unregister);
> > * @irq_table: Linux IRQ numbers for all irqs, indexed by local irq index of
> > * this device.
> > * @feature_dev: current feature device.
> > + * @type: the current FIU type.
> > * @ioaddr: header register region address of current FIU in enumeration.
> > * @start: register resource start of current FIU.
> > * @len: max register resource length of current FIU.
> > @@ -706,6 +696,7 @@ struct build_feature_devs_info {
> > int *irq_table;
> >
> > struct platform_device *feature_dev;
> > + enum dfl_id_type type;
> > void __iomem *ioaddr;
> > resource_size_t start;
> > resource_size_t len;
> > @@ -752,13 +743,12 @@ static void dfl_fpga_cdev_add_port_data(struct dfl_fpga_cdev *cdev,
> > static struct dfl_feature_platform_data *
> > binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> > {
> > + enum dfl_id_type type = binfo->type;
> > struct platform_device *fdev = binfo->feature_dev;
> > struct dfl_feature_platform_data *pdata;
> > struct dfl_feature_info *finfo, *p;
> > - enum dfl_id_type type;
>
> Move this line up breaks the reverse Xmas tree, seems no need.
This has been done in the revised patch "fpga: dfl: store FIU type in
feature platform data".
>
> > int ret, index = 0, res_idx = 0;
> >
> > - type = feature_dev_id_type(fdev);
> > if (WARN_ON_ONCE(type >= DFL_ID_MAX))
> > return ERR_PTR(-EINVAL);
> >
> > @@ -773,6 +763,7 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> > return ERR_PTR(-ENOMEM);
> >
> > pdata->dev = fdev;
> > + pdata->type = type;
> > pdata->num = binfo->feature_num;
> > pdata->dfl_cdev = binfo->cdev;
> > pdata->id = FEATURE_DEV_ID_UNUSED;
> > @@ -861,14 +852,11 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
> > }
> >
> > static int
> > -build_info_create_dev(struct build_feature_devs_info *binfo,
> > - enum dfl_id_type type)
> > +build_info_create_dev(struct build_feature_devs_info *binfo)
> > {
> > + enum dfl_id_type type = binfo->type;
> > struct platform_device *fdev;
> >
> > - if (type >= DFL_ID_MAX)
> > - return -EINVAL;
> > -
> > /*
> > * we use -ENODEV as the initialization indicator which indicates
> > * whether the id need to be reclaimed
> > @@ -905,7 +893,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
> > if (ret)
> > return ret;
> >
> > - if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)
> > + if (binfo->type == PORT_ID)
> > dfl_fpga_cdev_add_port_data(binfo->cdev, pdata);
> > else
> > binfo->cdev->fme_dev = get_device(&binfo->feature_dev->dev);
> > @@ -919,6 +907,9 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
> > */
> > binfo->feature_dev = NULL;
> >
> > + /* reset the binfo for next FIU */
> > + binfo->type = DFL_ID_MAX;
> > +
> > return 0;
> > }
> >
> > @@ -931,8 +922,7 @@ static void build_info_free(struct build_feature_devs_info *binfo)
> > * build_info_create_dev()
> > */
> > if (binfo->feature_dev && binfo->feature_dev->id >= 0) {
> > - dfl_id_free(feature_dev_id_type(binfo->feature_dev),
> > - binfo->feature_dev->id);
> > + dfl_id_free(binfo->type, binfo->feature_dev->id);
> >
> > list_for_each_entry_safe(finfo, p, &binfo->sub_features, node) {
> > list_del(&finfo->node);
> > @@ -1030,7 +1020,7 @@ static int parse_feature_irqs(struct build_feature_devs_info *binfo,
> > * Instead, features with interrupt functionality provide
> > * the information in feature specific registers.
> > */
> > - type = feature_dev_id_type(binfo->feature_dev);
> > + type = binfo->type;
> > if (type == PORT_ID) {
> > switch (fid) {
> > case PORT_FEATURE_ID_UINT:
> > @@ -1222,7 +1212,7 @@ static int parse_feature_port_afu(struct build_feature_devs_info *binfo,
> > return create_feature_instance(binfo, ofst, size, FEATURE_ID_AFU);
> > }
> >
> > -#define is_feature_dev_detected(binfo) (!!(binfo)->feature_dev)
> > +#define is_feature_dev_detected(binfo) ((binfo)->type != DFL_ID_MAX)
>
> Seems too early to make this change. The 2 fields don't always align in
> this phase ..
>
> >
> > static int parse_feature_afu(struct build_feature_devs_info *binfo,
> > resource_size_t ofst)
> > @@ -1232,7 +1222,7 @@ static int parse_feature_afu(struct build_feature_devs_info *binfo,
> > return -EINVAL;
> > }
> >
> > - switch (feature_dev_id_type(binfo->feature_dev)) {
> > + switch (binfo->type) {
> > case PORT_ID:
> > return parse_feature_port_afu(binfo, ofst);
> > default:
> > @@ -1278,6 +1268,7 @@ static void build_info_complete(struct build_feature_devs_info *binfo)
> > static int parse_feature_fiu(struct build_feature_devs_info *binfo,
> > resource_size_t ofst)
> > {
> > + enum dfl_id_type type;
> > int ret = 0;
> > u32 offset;
> > u16 id;
> > @@ -1299,8 +1290,14 @@ static int parse_feature_fiu(struct build_feature_devs_info *binfo,
> > v = readq(binfo->ioaddr + DFH);
> > id = FIELD_GET(DFH_ID, v);
> >
> > + type = dfh_id_to_type(id);
> > + if (type >= DFL_ID_MAX)
> > + return -EINVAL;
> > +
> > + binfo->type = type;
> > +
> > /* create platform device for dfl feature dev */
> > - ret = build_info_create_dev(binfo, dfh_id_to_type(id));
> > + ret = build_info_create_dev(binfo);
>
> .. like here, binfo->type is valid but binfo->feature_dev may not.
>
> Thanks,
> Yilun
The conversion of is_feature_dev_detected() to use the FIU type has
been moved to a new patch "fpga: dfl: convert is_feature_dev_detected()
to use FIU type" later in the series.
Thanks,
Peter
© 2016 - 2026 Red Hat, Inc.