From mboxrd@z Thu Jan 1 00:00:00 1970 From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth) Date: Mon, 10 Jun 2013 23:23:42 +0200 Subject: [PATCH] drm: encoder_slave: respect of_node on i2c encoder init Message-ID: <1370899422-1281-1-git-send-email-sebastian.hesselbarth@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Current DRM slave encoder API conflicts with auto-registration of i2c client when using DT probed clients. To allow DRM slave encoders passed by DT, this patch adds a check to drm_i2c_encoder_init for a non-NULL .of_node on i2c_board_info and calls an of_i2c helper to get the i2c client device instead of registering a new device. Signed-off-by: Sebastian Hesselbarth --- Cc: David Airlie Cc: Russell King - ARM Linux Cc: Darren Etheridge Cc: linux-arm-kernel at lists.infradead.org Cc: dri-devel at lists.freedesktop.org Cc: linux-kernel at vger.kernel.org --- drivers/gpu/drm/drm_encoder_slave.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c index 0cfb60f..36c0aa7 100644 --- a/drivers/gpu/drm/drm_encoder_slave.c +++ b/drivers/gpu/drm/drm_encoder_slave.c @@ -25,6 +25,7 @@ */ #include +#include #include @@ -61,7 +62,10 @@ int drm_i2c_encoder_init(struct drm_device *dev, request_module("%s%s", I2C_MODULE_PREFIX, info->type); - client = i2c_new_device(adap, info); + if (info->of_node) + client = of_find_i2c_device_by_node(info->of_node); + else + client = i2c_new_device(adap, info); if (!client) { err = -ENOMEM; goto fail; -- 1.7.2.5