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fpga: fpga-mgr: wrap the state() op 

An FPGA manager should not be required to provide a state() op.
Add a wrapper consistent with the other op wrappers.
Move op check to wrapper.
Default to FPGA_MGR_STATE_UNKNOWN, what noop state() ops use.
Remove unneeded noop state() ops

[mdf@kernel.org: Reworded first line]
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
This commit is contained in:
Tom Rix 2021-06-25 12:51:46 -07:00 committed by Moritz Fischer
parent 6f99227113
commit b02a40713d
4 changed files with 9 additions and 20 deletions
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6
drivers/fpga/dfl-fme-mgr.c
View File

@ -252,11 +252,6 @@ static int fme_mgr_write_complete(struct fpga_manager *mgr,
return 0;
}
static enum fpga_mgr_states fme_mgr_state(struct fpga_manager *mgr)
{
return FPGA_MGR_STATE_UNKNOWN;
}
static u64 fme_mgr_status(struct fpga_manager *mgr)
{
struct fme_mgr_priv *priv = mgr->priv;
@ -268,7 +263,6 @@ static const struct fpga_manager_ops fme_mgr_ops = {
.write_init = fme_mgr_write_init,
.write = fme_mgr_write,
.write_complete = fme_mgr_write_complete,
.state = fme_mgr_state,
.status = fme_mgr_status,
};

11
drivers/fpga/fpga-mgr.c
View File

@ -25,6 +25,13 @@ struct fpga_mgr_devres {
struct fpga_manager *mgr;
};
static inline enum fpga_mgr_states fpga_mgr_state(struct fpga_manager *mgr)
{
if (mgr->mops->state)
return mgr->mops->state(mgr);
return FPGA_MGR_STATE_UNKNOWN;
}
static inline u64 fpga_mgr_status(struct fpga_manager *mgr)
{
if (mgr->mops->status)
@ -589,7 +596,7 @@ struct fpga_manager *fpga_mgr_create(struct device *parent, const char *name,
struct fpga_manager *mgr;
int id, ret;
if (!mops || !mops->state) {
if (!mops) {
dev_err(parent, "Attempt to register without fpga_manager_ops\n");
return NULL;
}
@ -707,7 +714,7 @@ int fpga_mgr_register(struct fpga_manager *mgr)
* from device. FPGA may be in reset mode or may have been programmed
* by bootloader or EEPROM.
*/
mgr->state = mgr->mops->state(mgr);
mgr->state = fpga_mgr_state(mgr);
ret = device_add(&mgr->dev);
if (ret)

6
drivers/fpga/stratix10-soc.c
View File

@ -388,13 +388,7 @@ static int s10_ops_write_complete(struct fpga_manager *mgr,
return ret;
}
static enum fpga_mgr_states s10_ops_state(struct fpga_manager *mgr)
{
return FPGA_MGR_STATE_UNKNOWN;
}
static const struct fpga_manager_ops s10_ops = {
.state = s10_ops_state,
.write_init = s10_ops_write_init,
.write = s10_ops_write,
.write_complete = s10_ops_write_complete,

6
drivers/fpga/ts73xx-fpga.c
View File

@ -32,11 +32,6 @@ struct ts73xx_fpga_priv {
struct device *dev;
};
static enum fpga_mgr_states ts73xx_fpga_state(struct fpga_manager *mgr)
{
return FPGA_MGR_STATE_UNKNOWN;
}
static int ts73xx_fpga_write_init(struct fpga_manager *mgr,
struct fpga_image_info *info,
const char *buf, size_t count)
@ -98,7 +93,6 @@ static int ts73xx_fpga_write_complete(struct fpga_manager *mgr,
}
static const struct fpga_manager_ops ts73xx_fpga_ops = {
.state = ts73xx_fpga_state,
.write_init = ts73xx_fpga_write_init,
.write = ts73xx_fpga_write,
.write_complete = ts73xx_fpga_write_complete,