From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/fpga/altera-pr-ip-core.c | 15 ++++-----------
1 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/fpga/altera-pr-ip-core.c b/kernel/drivers/fpga/altera-pr-ip-core.c
index 65e0b6a..75b4b3e 100644
--- a/kernel/drivers/fpga/altera-pr-ip-core.c
+++ b/kernel/drivers/fpga/altera-pr-ip-core.c
@@ -108,7 +108,7 @@
u32 *buffer_32 = (u32 *)buf;
size_t i = 0;
- if (count <= 0)
+ if (!count)
return -EINVAL;
/* Write out the complete 32-bit chunks */
@@ -177,7 +177,6 @@
{
struct alt_pr_priv *priv;
struct fpga_manager *mgr;
- int ret;
u32 val;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -192,29 +191,23 @@
(val & ALT_PR_CSR_STATUS_MSK) >> ALT_PR_CSR_STATUS_SFT,
(int)(val & ALT_PR_CSR_PR_START));
- mgr = fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv);
+ mgr = devm_fpga_mgr_create(dev, dev_name(dev), &alt_pr_ops, priv);
if (!mgr)
return -ENOMEM;
dev_set_drvdata(dev, mgr);
- ret = fpga_mgr_register(mgr);
- if (ret)
- fpga_mgr_free(mgr);
-
- return ret;
+ return fpga_mgr_register(mgr);
}
EXPORT_SYMBOL_GPL(alt_pr_register);
-int alt_pr_unregister(struct device *dev)
+void alt_pr_unregister(struct device *dev)
{
struct fpga_manager *mgr = dev_get_drvdata(dev);
dev_dbg(dev, "%s\n", __func__);
fpga_mgr_unregister(mgr);
-
- return 0;
}
EXPORT_SYMBOL_GPL(alt_pr_unregister);
--
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