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d81c03f05e
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
26 lines
769 B
Diff
26 lines
769 B
Diff
From d8ea27e70802e9cc37eada66a9ef0c3bd396dc55 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 4 Apr 2024 17:03:33 +0100
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Subject: [PATCH] i2c: designware: Make the SDA hold time half LCNT
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In the absence of a value in Device Tree, set the SDA hold time to half
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the SCL low time.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/i2c/busses/i2c-designware-master.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/i2c/busses/i2c-designware-master.c
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+++ b/drivers/i2c/busses/i2c-designware-master.c
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@@ -213,6 +213,9 @@ static int i2c_dw_set_timings_master(str
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dev->hs_hcnt, dev->hs_lcnt);
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}
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+ if (!dev->sda_hold_time)
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+ dev->sda_hold_time = lcnt / 2;
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+
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ret = i2c_dw_set_sda_hold(dev);
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if (ret)
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return ret;
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