From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/mmc/core/bus.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/mmc/core/bus.c b/kernel/drivers/mmc/core/bus.c
index 941f39c..4383c26 100644
--- a/kernel/drivers/mmc/core/bus.c
+++ b/kernel/drivers/mmc/core/bus.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/mmc/core/bus.c
*
* Copyright (C) 2003 Russell King, All Rights Reserved.
* Copyright (C) 2007 Pierre Ossman
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* MMC card bus driver model
*/
@@ -71,6 +68,7 @@
{
struct mmc_card *card = mmc_dev_to_card(dev);
const char *type;
+ unsigned int i;
int retval = 0;
switch (card->type) {
@@ -96,6 +94,31 @@
return retval;
}
+ if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
+ retval = add_uevent_var(env, "SDIO_ID=%04X:%04X",
+ card->cis.vendor, card->cis.device);
+ if (retval)
+ return retval;
+
+ retval = add_uevent_var(env, "SDIO_REVISION=%u.%u",
+ card->major_rev, card->minor_rev);
+ if (retval)
+ return retval;
+
+ for (i = 0; i < card->num_info; i++) {
+ retval = add_uevent_var(env, "SDIO_INFO%u=%s", i+1, card->info[i]);
+ if (retval)
+ return retval;
+ }
+ }
+
+ /*
+ * SDIO (non-combo) cards are not handled by mmc_block driver and do not
+ * have accessible CID register which used by mmc_card_name() function.
+ */
+ if (card->type == MMC_TYPE_SDIO)
+ return 0;
+
retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
if (retval)
return retval;
--
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