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-rw-r--r--drivers/fpga/altera-cvp.c10
-rw-r--r--drivers/fpga/stratix10-soc.c21
2 files changed, 18 insertions, 13 deletions
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index 5af0bd33890c..e2a2307a41ee 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/sizes.h>
+#include <linux/string.h>
#define CVP_BAR 0 /* BAR used for data transfer in memory mode */
#define CVP_DUMMY_WR 244 /* dummy writes to clear CvP state machine */
@@ -264,7 +265,7 @@ static int altera_cvp_v2_wait_for_credit(struct fpga_manager *mgr,
static int altera_cvp_send_block(struct altera_cvp_conf *conf,
const u32 *data, size_t len)
{
- u32 mask, words = len / sizeof(u32);
+ u32 words = len / sizeof(u32);
int i, remainder;
for (i = 0; i < words; i++)
@@ -273,9 +274,10 @@ static int altera_cvp_send_block(struct altera_cvp_conf *conf,
/* write up to 3 trailing bytes, if any */
remainder = len % sizeof(u32);
if (remainder) {
- mask = BIT(remainder * 8) - 1;
- if (mask)
- conf->write_data(conf, *data & mask);
+ u32 word = 0;
+
+ memcpy(&word, data, remainder);
+ conf->write_data(conf, word);
}
return 0;
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 0a295ccf1644..b8ec2e6f615f 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -195,20 +195,18 @@ static int s10_ops_write_init(struct fpga_manager *mgr,
ret = s10_svc_send_msg(priv, COMMAND_RECONFIG,
&ctype, sizeof(ctype));
if (ret < 0)
- goto init_done;
+ goto init_error;
- ret = wait_for_completion_timeout(
- &priv->status_return_completion, S10_RECONFIG_TIMEOUT);
- if (!ret) {
+ if (!wait_for_completion_timeout(&priv->status_return_completion,
+ S10_RECONFIG_TIMEOUT)) {
dev_err(dev, "timeout waiting for RECONFIG_REQUEST\n");
ret = -ETIMEDOUT;
- goto init_done;
+ goto init_error;
}
- ret = 0;
if (!test_and_clear_bit(SVC_STATUS_OK, &priv->status)) {
ret = -ETIMEDOUT;
- goto init_done;
+ goto init_error;
}
/* Allocate buffers from the service layer's pool. */
@@ -217,14 +215,16 @@ static int s10_ops_write_init(struct fpga_manager *mgr,
if (IS_ERR(kbuf)) {
s10_free_buffers(mgr);
ret = PTR_ERR(kbuf);
- goto init_done;
+ goto init_error;
}
priv->svc_bufs[i].buf = kbuf;
priv->svc_bufs[i].lock = 0;
}
-init_done:
+ return 0;
+
+init_error:
stratix10_svc_done(priv->chan);
return ret;
}
@@ -342,6 +342,9 @@ static int s10_ops_write(struct fpga_manager *mgr, const char *buf,
if (!s10_free_buffers(mgr))
dev_err(dev, "%s not all buffers were freed\n", __func__);
+ if (ret < 0)
+ stratix10_svc_done(priv->chan);
+
return ret;
}