From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/mmc/core/sdio_bus.c | 17 ++++++++++++++---
1 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/mmc/core/sdio_bus.c b/kernel/drivers/mmc/core/sdio_bus.c
index a448535..89dd492 100644
--- a/kernel/drivers/mmc/core/sdio_bus.c
+++ b/kernel/drivers/mmc/core/sdio_bus.c
@@ -295,6 +295,12 @@
if (!(func->card->quirks & MMC_QUIRK_NONSTD_SDIO))
sdio_free_func_cis(func);
+ /*
+ * We have now removed the link to the tuples in the
+ * card structure, so remove the reference.
+ */
+ put_device(&func->card->dev);
+
kfree(func->info);
kfree(func->tmpbuf);
kfree(func);
@@ -324,6 +330,12 @@
func->card = card;
device_initialize(&func->dev);
+
+ /*
+ * We may link to tuples in the card structure,
+ * we need make sure we have a reference to it.
+ */
+ get_device(&func->card->dev);
func->dev.parent = &card->dev;
func->dev.bus = &sdio_bus_type;
@@ -378,10 +390,9 @@
*/
void sdio_remove_func(struct sdio_func *func)
{
- if (!sdio_func_present(func))
- return;
+ if (sdio_func_present(func))
+ device_del(&func->dev);
- device_del(&func->dev);
of_node_put(func->dev.of_node);
put_device(&func->dev);
}
--
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