From: trix@redhat.com
To: hao.wu@intel.com, mdf@kernel.org, michal.simek@xilinx.com
Cc: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, Tom Rix <trix@redhat.com>
Subject: [PATCH 5/7] fpga: wrap the state() op
Date: Mon, 7 Jun 2021 10:24:00 -0700 [thread overview]
Message-ID: <20210607172402.2938697-6-trix@redhat.com> (raw)
In-Reply-To: <20210607172402.2938697-1-trix@redhat.com>
From: Tom Rix <trix@redhat.com>
The board 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() uses.
Remove unneeded noop state() ops
Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/fpga/dfl-fme-mgr.c | 6 ------
drivers/fpga/fpga-mgr.c | 11 +++++++++--
drivers/fpga/stratix10-soc.c | 6 ------
drivers/fpga/ts73xx-fpga.c | 6 ------
4 files changed, 9 insertions(+), 20 deletions(-)
diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c
index d5861d13b306..313420405d5e 100644
--- a/drivers/fpga/dfl-fme-mgr.c
+++ b/drivers/fpga/dfl-fme-mgr.c
@@ -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,
};
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index cc531f0537ac..d06752be9c6e 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -589,7 +589,7 @@ struct fpga_manager *fpga_mgr_create(struct device *dev, const char *name,
struct fpga_manager *mgr;
int id, ret;
- if (!mops || !mops->state) {
+ if (!mops) {
dev_err(dev, "Attempt to register without fpga_manager_ops\n");
return NULL;
}
@@ -692,6 +692,13 @@ struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name,
}
EXPORT_SYMBOL_GPL(devm_fpga_mgr_create);
+static enum fpga_mgr_states fpga_mgr_state(struct fpga_manager *mgr)
+{
+ if (mgr->mops && mgr->mops->state)
+ return mgr->mops->state(mgr);
+ return FPGA_MGR_STATE_UNKNOWN;
+}
+
/**
* fpga_mgr_register - register a FPGA manager
* @mgr: fpga manager struct
@@ -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)
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 657a70c5fc99..5219fa1b555a 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -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,
diff --git a/drivers/fpga/ts73xx-fpga.c b/drivers/fpga/ts73xx-fpga.c
index 101f016c6ed8..167abb0b08d4 100644
--- a/drivers/fpga/ts73xx-fpga.c
+++ b/drivers/fpga/ts73xx-fpga.c
@@ -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,
--
2.26.3
next prev parent reply other threads:[~2021-06-07 17:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 17:23 [PATCH 0/7] fpga: wrappers for fpga_manager_ops trix
2021-06-07 17:23 ` [PATCH 1/7] fpga: wrap the write_init() op trix
2021-06-07 22:36 ` Moritz Fischer
2021-06-08 6:23 ` Martin Hundebøll
2021-06-08 19:05 ` Tom Rix
2021-06-08 13:55 ` Tom Rix
2021-06-07 17:23 ` [PATCH 2/7] fpga: make write_complete() op optional trix
2021-06-07 17:23 ` [PATCH 3/7] fpga: wrap the write() op trix
2021-06-07 17:23 ` [PATCH 4/7] fpga: wrap the status() op trix
2021-06-07 17:24 ` trix [this message]
2021-06-07 17:24 ` [PATCH 6/7] fpga: wrap the fpga_remove() op trix
2021-06-07 17:24 ` [PATCH 7/7] fpga: collect wrappers and change to inline trix
2021-06-07 21:59 ` [PATCH 0/7] fpga: wrappers for fpga_manager_ops Moritz Fischer
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