1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-1003-media-rp1-Add-back-reg-write-debug-prints.patch b/target/linux/bcm27xx/patches-6.1/950-1003-media-rp1-Add-back-reg-write-debug-prints.patch
new file mode 100644
index 0000000000..c86f7a3e17
--- /dev/null
+++ b/target/linux/bcm27xx/patches-6.1/950-1003-media-rp1-Add-back-reg-write-debug-prints.patch
@@ -0,0 +1,41 @@
+From 8240f1328ead0152f116b385b3169f8f010a7869 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
+Date: Fri, 22 Sep 2023 12:39:33 +0300
+Subject: [PATCH] media: rp1: Add back reg write debug prints
+
+Add back debug prints in csi2 and pisp_fe reg_write() functions, but use
+the 'irq' variants to avoid spamming in normal situation.
+
+Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
+---
+ drivers/media/platform/raspberrypi/rp1_cfe/csi2.c    | 1 +
+ drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c | 2 ++
+ 2 files changed, 3 insertions(+)
+
+--- a/drivers/media/platform/raspberrypi/rp1_cfe/csi2.c
++++ b/drivers/media/platform/raspberrypi/rp1_cfe/csi2.c
+@@ -92,6 +92,7 @@ static inline u32 csi2_reg_read(struct c
+ static inline void csi2_reg_write(struct csi2_device *csi2, u32 offset, u32 val)
+ {
+ 	writel(val, csi2->base + offset);
++	csi2_dbg_verbose("csi2: write 0x%04x -> 0x%03x\n", val, offset);
+ }
+ 
+ static inline void set_field(u32 *valp, u32 field, u32 mask)
+--- a/drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c
++++ b/drivers/media/platform/raspberrypi/rp1_cfe/pisp_fe.c
+@@ -132,12 +132,14 @@ static inline void pisp_fe_reg_write(str
+ 				     u32 val)
+ {
+ 	writel(val, fe->base + offset);
++	pisp_fe_dbg_verbose("fe: write 0x%04x -> 0x%03x\n", val, offset);
+ }
+ 
+ static inline void pisp_fe_reg_write_relaxed(struct pisp_fe_device *fe, u32 offset,
+ 					     u32 val)
+ {
+ 	writel_relaxed(val, fe->base + offset);
++	pisp_fe_dbg_verbose("fe: write 0x%04x -> 0x%03x\n", val, offset);
+ }
+ 
+ static int pisp_regs_show(struct seq_file *s, void *data)