linux-kernel - [PATCH] drm/bridge: ti-sn65dsi86: Set max register for regmap

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Date:   Tue, 14 Dec 2021 16:25:29 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Rob Clark <robdclark@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: [PATCH] drm/bridge: ti-sn65dsi86: Set max register for regmap

Set the maximum register to 0xff so we can dump the registers for this
device in debugfs.

Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver")
Cc: Rob Clark <robdclark@...omium.org>
Cc: Douglas Anderson <dianders@...omium.org>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 6154bed0af5b..83d06c16d4d7 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -188,6 +188,7 @@ static const struct regmap_config ti_sn65dsi86_regmap_config = {
 	.val_bits = 8,
 	.volatile_table = &ti_sn_bridge_volatile_table,
 	.cache_type = REGCACHE_NONE,
+	.max_register = 0xFF,
 };
 
 static void ti_sn65dsi86_write_u16(struct ti_sn65dsi86 *pdata,

base-commit: 136057256686de39cc3a07c2e39ef6bc43003ff6
-- 
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