forked from Openwrt/openwrt
8c405cdccc
The patches were generated from the RPi repo with the following command: git format-patch v6.6.34..rpi-6.1.y Some patches needed rebasing and, as usual, the applied and reverted, wireless drivers, Github workflows, READMEs and defconfigs patches were removed. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
26 lines
779 B
Diff
26 lines
779 B
Diff
From 7b340aa70dbea4096f949a9ddceb169079a0603b Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
|
Date: Thu, 4 Apr 2024 17:03:33 +0100
|
|
Subject: [PATCH 1003/1085] i2c: designware: Make the SDA hold time half LCNT
|
|
|
|
In the absence of a value in Device Tree, set the SDA hold time to half
|
|
the SCL low time.
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
|
---
|
|
drivers/i2c/busses/i2c-designware-master.c | 3 +++
|
|
1 file changed, 3 insertions(+)
|
|
|
|
--- a/drivers/i2c/busses/i2c-designware-master.c
|
|
+++ b/drivers/i2c/busses/i2c-designware-master.c
|
|
@@ -194,6 +194,9 @@ static int i2c_dw_set_timings_master(str
|
|
dev->hs_hcnt, dev->hs_lcnt);
|
|
}
|
|
|
|
+ if (!dev->sda_hold_time)
|
|
+ dev->sda_hold_time = lcnt / 2;
|
|
+
|
|
ret = i2c_dw_set_sda_hold(dev);
|
|
if (ret)
|
|
return ret;
|