patches: add c1.1 (thread struct device * through factory request_firmware)

patches/factory-thread-dev/0001-bes2600-thread-struct-device-through-factory-request.patch

@@ -0,0 +1,116 @@
+From 8732881c5916106539b9071b51710489c57e8d73 Mon Sep 17 00:00:00 2001
+From: Markus Fritsche <fritsche.markus@gmail.com>
+Date: Wed, 22 Apr 2026 13:18:38 +0200
+Subject: [PATCH] bes2600: thread struct device * through factory
+ request_firmware() call
+
+Follow-up to \"bes2600: use request_firmware() for factory.txt read\".
+That patch switched the factory calibration read path from filp_open()
++ kernel_read() to request_firmware(), but passed dev=NULL to
+request_firmware() because factory_section_read_file() did not have a
+struct device * in scope. The resulting logs carry the
+'(NULL device *):' prefix and do not propagate a udev association.
+
+Add a module-local static struct device * used as the firmware-class
+load context, plus a small exported setter:
+
+    static struct device *bes2600_factory_dev;
+    void bes2600_factory_set_dev(struct device *dev);
+
+Wire bes2600_factory_set_dev(&func->dev) from bes2600_sdio_probe(),
+right after bes2600_platform_data_init() so the platform layer has
+already had a chance to use the same struct device for its own
+initialization.
+
+factory_section_read_file() now passes bes2600_factory_dev (instead
+of NULL) to request_firmware(). When the factory read happens before
+probe (not currently the case on PineTab2) the pointer is still NULL
+and request_firmware() accepts that; no regression.
+
+No API changes to bes2600_get_factory_cali_data() callers. The
+char *path parameter remains (it is the firmware-class name fed
+straight to request_firmware()).
+
+Tested-on: PineTab2 (BES2600WM + RK3566) running linux-pinetab2
+6.19.10-danctnix1-1. Driver probes, factory data is read, and any
+post-c5 factory diagnostics now carry the SDIO device identity
+instead of '(NULL device *)'.
+
+Signed-off-by: Markus Fritsche <fritsche.markus@gmail.com>
+---
+ bes2600/bes2600_factory.c | 14 +++++++++++++-
+ bes2600/bes2600_factory.h |  3 +++
+ bes2600/bes2600_sdio.c    |  4 ++++
+ 3 files changed, 20 insertions(+), 1 deletion(-)
+
+diff --git a/bes2600/bes2600_factory.c b/bes2600/bes2600_factory.c
+index 8d60b7c..1cda447 100644
+--- a/bes2600/bes2600_factory.c
++++ b/bes2600/bes2600_factory.c
+@@ -31,6 +31,18 @@
+ 
+ static DEFINE_MUTEX(factory_lock);
+ 
++/*
++ * struct device * for request_firmware() context. Set once at SDIO
++ * probe via bes2600_factory_set_dev(). NULL is tolerated (falls back
++ * to the udev-less firmware-class path) but loses per-device logging.
++ */
++static struct device *bes2600_factory_dev;
++
++void bes2600_factory_set_dev(struct device *dev)
++{
++	bes2600_factory_dev = dev;
++}
++
+ /*
+  * It is only used for temporary storage.
+  * Every time get the factory, it will read from the
+@@ -148,7 +160,7 @@ static int factory_section_read_file(char *path, void *buffer)
+ 
+ 	bes_devel("requesting firmware-class %s\n", path);
+ 
+-	ret = request_firmware(&fw, path, NULL);
++	ret = request_firmware(&fw, path, bes2600_factory_dev);
+ 	if (ret) {
+ 		bes_devel("BES2600: request_firmware(%s) failed: %d\n", path, ret);
+ 		return -1;
+diff --git a/bes2600/bes2600_factory.h b/bes2600/bes2600_factory.h
+index 3835b0d..7dbe9f8 100644
+--- a/bes2600/bes2600_factory.h
++++ b/bes2600/bes2600_factory.h
+@@ -199,6 +199,9 @@ enum factory_cali_status {
+ /* just calibrate 11n, other protocols are automatically mapped */
+ #define WIFI_RF_11N_MODE 0x15
+ 
++/* set the struct device * used for request_firmware() context */
++void bes2600_factory_set_dev(struct device *dev);
++
+ /* read wifi & bt factory cali value*/
+ u8* bes2600_get_factory_cali_data(u8 *file_buffer, u32 *data_len, char *path);
+ void factory_little_endian_cvrt(u8 *data);
+diff --git a/bes2600/bes2600_sdio.c b/bes2600/bes2600_sdio.c
+index b595365..371ef4f 100644
+--- a/bes2600/bes2600_sdio.c
++++ b/bes2600/bes2600_sdio.c
+@@ -30,6 +30,7 @@
+ #include "bes2600.h"
+ #include "sbus.h"
+ #include "bes2600_plat.h"
++#include "bes2600_factory.h"
+ #include "hwio.h"
+ #include "bes_chardev.h"
+ #include "bes_log.h"
+@@ -1834,6 +1835,9 @@ static int bes2600_sdio_probe(struct sdio_func *func,
+ 	if (ret)
+ 		goto err;
+ 
++	/* wire struct device into factory.c for request_firmware() context */
++	bes2600_factory_set_dev(dev);
++
+ 	self->pdata = bes2600_get_platform_data();
+ 	self->func = func;
+ 	self->dev = &func->dev;
+-- 
+2.53.0
+