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mac80211: fix symbol dependency of rt2x00lib kernel module

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On platforms that do not have CONFIG_MTD enabled, loading the
rt2x00lib kernel module fails because it depends on symbols from
the mtd module ("Unknown symbol get_mtd_device_nm").

This commit disables the code that can read the eeprom from mtd if
mtd is not enabled.

Signed-off-by: Sven Over <sp@cedenti.st>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Sven Over 2020-02-23 14:26:46 -05:00 committed by Daniel Golle
parent 00b319e9be
commit 5b13ea8d28
1 changed files with 8 additions and 2 deletions
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10
package/kernel/mac80211/patches/rt2x00/604-rt2x00-load-eeprom-on-SoC-from-a-mtd-device-defines-.patch
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@ -22,17 +22,20 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
Supported chips: RT2880, RT3050, RT3052, RT3350, RT3352.
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00eeprom.c
@@ -26,11 +26,72 @@
@@ -26,11 +26,76 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#if IS_ENABLED(CONFIG_MTD)
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#endif
#include <linux/of.h>
#include "rt2x00.h"
#include "rt2x00lib.h"
+#if IS_ENABLED(CONFIG_MTD)
+static int rt2800lib_read_eeprom_mtd(struct rt2x00_dev *rt2x00dev)
+{
+ int ret = -EINVAL;
@ -91,16 +94,19 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+ return ret;
+}
+#endif
+
static const char *
rt2x00lib_get_eeprom_file_name(struct rt2x00_dev *rt2x00dev)
{
@@ -58,6 +119,9 @@ static int rt2x00lib_request_eeprom_file
@@ -58,6 +123,11 @@ static int rt2x00lib_request_eeprom_file
const char *ee_name;
int retval;
+#if IS_ENABLED(CONFIG_MTD)
+ if (!rt2800lib_read_eeprom_mtd(rt2x00dev))
+ return 0;
+#endif
+
ee_name = rt2x00lib_get_eeprom_file_name(rt2x00dev);
if (!ee_name && test_bit(REQUIRE_EEPROM_FILE, &rt2x00dev->cap_flags)) {