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Date: Wed, 22 Feb 2023 12:56:02 +0800
From: Pin-yen Lin <treapking@...omium.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Daniel Scally <djrscally@...il.com>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J . Wysocki" <rafael@...nel.org>,
Prashant Malani <pmalani@...omium.org>,
Benson Leung <bleung@...omium.org>,
Guenter Roeck <groeck@...omium.org>
Cc: linux-kernel@...r.kernel.org, Hsin-Yi Wang <hsinyi@...omium.org>,
Marek Vasut <marex@...x.de>,
Thomas Zimmermann <tzimmermann@...e.de>,
dri-devel@...ts.freedesktop.org, Xin Ji <xji@...logixsemi.com>,
Lyude Paul <lyude@...hat.com>,
Allen Chen <allen.chen@....com.tw>, devicetree@...r.kernel.org,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Nícolas F . R . A . Prado
<nfraprado@...labora.com>, chrome-platform@...ts.linux.dev,
Javier Martinez Canillas <javierm@...hat.com>,
linux-acpi@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>
Subject: Re: [PATCH v12 06/10] drm/bridge: Remove redundant i2c_client in anx7625/it6505
On Tue, Feb 21, 2023 at 5:51 PM Pin-yen Lin <treapking@...omium.org> wrote:
>
> These two drivers embed a i2c_client in there private driver data, but
This should be "their private driver data". I'll fix this in the next version.
Pin-yen
> only strict device is actually needed. Replace the i2c_client reference
> with a struct device one.
>
> Signed-off-by: Pin-yen Lin <treapking@...omium.org>
> ---
>
> Changes in v12:
> - New in v12
>
> drivers/gpu/drm/bridge/analogix/anx7625.c | 96 ++++++++--------
> drivers/gpu/drm/bridge/analogix/anx7625.h | 2 +-
> drivers/gpu/drm/bridge/ite-it6505.c | 128 +++++++++++-----------
> 3 files changed, 113 insertions(+), 113 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 486b5099f5dd..cd628a2e2e50 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -207,7 +207,7 @@ static int anx7625_read_ctrl_status_p0(struct anx7625_data *ctx)
>
> static int wait_aux_op_finish(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int val;
> int ret;
>
> @@ -234,7 +234,7 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
> static int anx7625_aux_trans(struct anx7625_data *ctx, u8 op, u32 address,
> u8 len, u8 *buf)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
> u8 addrh, addrm, addrl;
> u8 cmd;
> @@ -427,7 +427,7 @@ static int anx7625_odfc_config(struct anx7625_data *ctx,
> u8 post_divider)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Config input reference clock frequency 27MHz/19.2MHz */
> ret = anx7625_write_and(ctx, ctx->i2c.rx_p1_client, MIPI_DIGITAL_PLL_16,
> @@ -477,7 +477,7 @@ static int anx7625_set_k_value(struct anx7625_data *ctx)
>
> static int anx7625_dsi_video_timing_config(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> unsigned long m, n;
> u16 htotal;
> int ret;
> @@ -575,7 +575,7 @@ static int anx7625_dsi_video_timing_config(struct anx7625_data *ctx)
> static int anx7625_swap_dsi_lane3(struct anx7625_data *ctx)
> {
> int val;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Swap MIPI-DSI data lane 3 P and N */
> val = anx7625_reg_read(ctx, ctx->i2c.rx_p1_client, MIPI_SWAP);
> @@ -592,7 +592,7 @@ static int anx7625_api_dsi_config(struct anx7625_data *ctx)
>
> {
> int val, ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Swap MIPI-DSI data lane 3 P and N */
> ret = anx7625_swap_dsi_lane3(ctx);
> @@ -657,7 +657,7 @@ static int anx7625_api_dsi_config(struct anx7625_data *ctx)
>
> static int anx7625_dsi_config(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
>
> DRM_DEV_DEBUG_DRIVER(dev, "config dsi.\n");
> @@ -689,7 +689,7 @@ static int anx7625_dsi_config(struct anx7625_data *ctx)
>
> static int anx7625_api_dpi_config(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> u16 freq = ctx->dt.pixelclock.min / 1000;
> int ret;
>
> @@ -720,7 +720,7 @@ static int anx7625_api_dpi_config(struct anx7625_data *ctx)
>
> static int anx7625_dpi_config(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
>
> DRM_DEV_DEBUG_DRIVER(dev, "config dpi\n");
> @@ -765,7 +765,7 @@ static int anx7625_read_flash_status(struct anx7625_data *ctx)
> static int anx7625_hdcp_key_probe(struct anx7625_data *ctx)
> {
> int ret, val;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> u8 ident[FLASH_BUF_LEN];
>
> ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> @@ -815,7 +815,7 @@ static int anx7625_hdcp_key_probe(struct anx7625_data *ctx)
> static int anx7625_hdcp_key_load(struct anx7625_data *ctx)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Select HDCP 1.4 KEY */
> ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> @@ -843,7 +843,7 @@ static int anx7625_hdcp_key_load(struct anx7625_data *ctx)
> static int anx7625_hdcp_disable(struct anx7625_data *ctx)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> dev_dbg(dev, "disable HDCP 1.4\n");
>
> @@ -864,7 +864,7 @@ static int anx7625_hdcp_enable(struct anx7625_data *ctx)
> {
> u8 bcap;
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> ret = anx7625_hdcp_key_probe(ctx);
> if (ret) {
> @@ -922,7 +922,7 @@ static int anx7625_hdcp_enable(struct anx7625_data *ctx)
> static void anx7625_dp_start(struct anx7625_data *ctx)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> u8 data;
>
> if (!ctx->display_timing_valid) {
> @@ -955,7 +955,7 @@ static void anx7625_dp_start(struct anx7625_data *ctx)
>
> static void anx7625_dp_stop(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
> u8 data;
>
> @@ -1020,7 +1020,7 @@ static int sp_tx_aux_rd(struct anx7625_data *ctx, u8 len_cmd)
> static int sp_tx_get_edid_block(struct anx7625_data *ctx)
> {
> int c = 0;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> sp_tx_aux_wr(ctx, 0x7e);
> sp_tx_aux_rd(ctx, 0x01);
> @@ -1042,7 +1042,7 @@ static int edid_read(struct anx7625_data *ctx,
> u8 offset, u8 *pblock_buf)
> {
> int ret, cnt;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> for (cnt = 0; cnt <= EDID_TRY_CNT; cnt++) {
> sp_tx_aux_wr(ctx, offset);
> @@ -1073,7 +1073,7 @@ static int segments_edid_read(struct anx7625_data *ctx,
> {
> u8 cnt;
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Write address only */
> ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> @@ -1128,7 +1128,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
> u8 i, j;
> int g_edid_break = 0;
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Address initial */
> ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
> @@ -1235,7 +1235,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
>
> static void anx7625_power_on(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret, i;
>
> if (!ctx->pdata.low_power_mode) {
> @@ -1271,7 +1271,7 @@ static void anx7625_power_on(struct anx7625_data *ctx)
>
> static void anx7625_power_standby(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
>
> if (!ctx->pdata.low_power_mode) {
> @@ -1301,7 +1301,7 @@ static void anx7625_config(struct anx7625_data *ctx)
>
> static void anx7625_disable_pd_protocol(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
>
> /* Reset main ocm */
> @@ -1321,7 +1321,7 @@ static void anx7625_disable_pd_protocol(struct anx7625_data *ctx)
> static int anx7625_ocm_loading_check(struct anx7625_data *ctx)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Check interface workable */
> ret = anx7625_reg_read(ctx, ctx->i2c.rx_p0_client,
> @@ -1367,7 +1367,7 @@ static void anx7625_power_on_init(struct anx7625_data *ctx)
>
> static void anx7625_init_gpio(struct anx7625_data *platform)
> {
> - struct device *dev = &platform->client->dev;
> + struct device *dev = platform->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "init gpio\n");
>
> @@ -1407,7 +1407,7 @@ static void anx7625_stop_dp_work(struct anx7625_data *ctx)
> static void anx7625_start_dp_work(struct anx7625_data *ctx)
> {
> int ret;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> if (ctx->hpd_high_cnt >= 2) {
> DRM_DEV_DEBUG_DRIVER(dev, "filter useless HPD\n");
> @@ -1459,7 +1459,7 @@ static int _anx7625_hpd_polling(struct anx7625_data *ctx,
> unsigned long wait_us)
> {
> int ret, val;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* Interrupt mode, no need poll HPD status, just return */
> if (ctx->pdata.intp_irq)
> @@ -1493,7 +1493,7 @@ static int anx7625_wait_hpd_asserted(struct drm_dp_aux *aux,
> unsigned long wait_us)
> {
> struct anx7625_data *ctx = container_of(aux, struct anx7625_data, aux);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int ret;
>
> pm_runtime_get_sync(dev);
> @@ -1526,7 +1526,7 @@ static void anx7625_dp_adjust_swing(struct anx7625_data *ctx)
>
> static void dp_hpd_change_handler(struct anx7625_data *ctx, bool on)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> /* HPD changed */
> DRM_DEV_DEBUG_DRIVER(dev, "dp_hpd_change_default_func: %d\n",
> @@ -1546,7 +1546,7 @@ static void dp_hpd_change_handler(struct anx7625_data *ctx, bool on)
> static int anx7625_hpd_change_detect(struct anx7625_data *ctx)
> {
> int intr_vector, status;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> status = anx7625_reg_write(ctx, ctx->i2c.tcpc_client,
> INTR_ALERT_1, 0xFF);
> @@ -1594,7 +1594,7 @@ static void anx7625_work_func(struct work_struct *work)
>
> mutex_lock(&ctx->lock);
>
> - if (pm_runtime_suspended(&ctx->client->dev))
> + if (pm_runtime_suspended(ctx->dev))
> goto unlock;
>
> event = anx7625_hpd_change_detect(ctx);
> @@ -1739,7 +1739,7 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux,
> struct drm_dp_aux_msg *msg)
> {
> struct anx7625_data *ctx = container_of(aux, struct anx7625_data, aux);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> u8 request = msg->request & ~DP_AUX_I2C_MOT;
> int ret = 0;
>
> @@ -1765,7 +1765,7 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux,
>
> static struct edid *anx7625_get_edid(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> struct s_edid_data *p_edid = &ctx->slimport_edid_p;
> int edid_num;
> u8 *edid;
> @@ -1801,7 +1801,7 @@ static struct edid *anx7625_get_edid(struct anx7625_data *ctx)
>
> static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "sink detect\n");
>
> @@ -2010,7 +2010,7 @@ static const struct hdmi_codec_ops anx7625_codec_ops = {
>
> static void anx7625_unregister_audio(struct anx7625_data *ctx)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> if (ctx->audio_pdev) {
> platform_device_unregister(ctx->audio_pdev);
> @@ -2046,7 +2046,7 @@ static int anx7625_register_audio(struct device *dev, struct anx7625_data *ctx)
> static int anx7625_attach_dsi(struct anx7625_data *ctx)
> {
> struct mipi_dsi_device *dsi;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> struct mipi_dsi_host *host;
> const struct mipi_dsi_device_info info = {
> .type = "anx7625",
> @@ -2099,7 +2099,7 @@ static void hdcp_check_work_func(struct work_struct *work)
>
> dwork = to_delayed_work(work);
> ctx = container_of(dwork, struct anx7625_data, hdcp_work);
> - dev = &ctx->client->dev;
> + dev = ctx->dev;
>
> if (!ctx->connector) {
> dev_err(dev, "HDCP connector is null!");
> @@ -2126,7 +2126,7 @@ static void hdcp_check_work_func(struct work_struct *work)
> static int anx7625_connector_atomic_check(struct anx7625_data *ctx,
> struct drm_connector_state *state)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> int cp;
>
> dev_dbg(dev, "hdcp state check\n");
> @@ -2171,7 +2171,7 @@ static int anx7625_bridge_attach(struct drm_bridge *bridge,
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> int err;
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "drm attach\n");
> if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
> @@ -2215,7 +2215,7 @@ anx7625_bridge_mode_valid(struct drm_bridge *bridge,
> const struct drm_display_mode *mode)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "drm mode checking\n");
>
> @@ -2236,7 +2236,7 @@ static void anx7625_bridge_mode_set(struct drm_bridge *bridge,
> const struct drm_display_mode *mode)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "drm mode set\n");
>
> @@ -2282,7 +2282,7 @@ static bool anx7625_bridge_mode_fixup(struct drm_bridge *bridge,
> struct drm_display_mode *adj)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> u32 hsync, hfp, hbp, hblanking;
> u32 adj_hsync, adj_hfp, adj_hbp, adj_hblanking, delta_adj;
> u32 vref, adj_clock;
> @@ -2400,7 +2400,7 @@ static int anx7625_bridge_atomic_check(struct drm_bridge *bridge,
> struct drm_connector_state *conn_state)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> dev_dbg(dev, "drm bridge atomic check\n");
>
> @@ -2414,7 +2414,7 @@ static void anx7625_bridge_atomic_enable(struct drm_bridge *bridge,
> struct drm_bridge_state *state)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
> struct drm_connector *connector;
>
> dev_dbg(dev, "drm atomic enable\n");
> @@ -2441,7 +2441,7 @@ static void anx7625_bridge_atomic_disable(struct drm_bridge *bridge,
> struct drm_bridge_state *old)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> dev_dbg(dev, "drm atomic disable\n");
>
> @@ -2455,7 +2455,7 @@ static enum drm_connector_status
> anx7625_bridge_detect(struct drm_bridge *bridge)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "drm bridge detect\n");
>
> @@ -2466,7 +2466,7 @@ static struct edid *anx7625_bridge_get_edid(struct drm_bridge *bridge,
> struct drm_connector *connector)
> {
> struct anx7625_data *ctx = bridge_to_anx7625(bridge);
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "drm bridge get edid\n");
>
> @@ -2491,7 +2491,7 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = {
> static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx,
> struct i2c_client *client)
> {
> - struct device *dev = &ctx->client->dev;
> + struct device *dev = ctx->dev;
>
> ctx->i2c.tx_p0_client = devm_i2c_new_dummy_device(dev, client->adapter,
> TX_P0_ADDR >> 1);
> @@ -2592,7 +2592,7 @@ static int anx7625_i2c_probe(struct i2c_client *client)
>
> pdata = &platform->pdata;
>
> - platform->client = client;
> + platform->dev = &client->dev;
> i2c_set_clientdata(client, platform);
>
> pdata->supplies[0].supply = "vdd10";
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.h b/drivers/gpu/drm/bridge/analogix/anx7625.h
> index 14f33d6be289..5af819611ebc 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.h
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.h
> @@ -458,7 +458,7 @@ struct anx7625_data {
> int hdcp_cp;
> /* Lock for work queue */
> struct mutex lock;
> - struct i2c_client *client;
> + struct device *dev;
> struct anx7625_i2c_client i2c;
> struct i2c_client *last_client;
> struct timer_list hdcp_timer;
> diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
> index bc451b2a77c2..d4bc388b68ac 100644
> --- a/drivers/gpu/drm/bridge/ite-it6505.c
> +++ b/drivers/gpu/drm/bridge/ite-it6505.c
> @@ -404,7 +404,7 @@ struct debugfs_entries {
> struct it6505 {
> struct drm_dp_aux aux;
> struct drm_bridge bridge;
> - struct i2c_client *client;
> + struct device *dev;
> struct it6505_drm_dp_link link;
> struct it6505_platform_data pdata;
> /*
> @@ -508,7 +508,7 @@ static int it6505_read(struct it6505 *it6505, unsigned int reg_addr)
> {
> unsigned int value;
> int err;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (!it6505->powered)
> return -ENODEV;
> @@ -526,7 +526,7 @@ static int it6505_write(struct it6505 *it6505, unsigned int reg_addr,
> unsigned int reg_val)
> {
> int err;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (!it6505->powered)
> return -ENODEV;
> @@ -546,7 +546,7 @@ static int it6505_set_bits(struct it6505 *it6505, unsigned int reg,
> unsigned int mask, unsigned int value)
> {
> int err;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (!it6505->powered)
> return -ENODEV;
> @@ -564,7 +564,7 @@ static int it6505_set_bits(struct it6505 *it6505, unsigned int reg,
> static void it6505_debug_print(struct it6505 *it6505, unsigned int reg,
> const char *prefix)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int val;
>
> if (!drm_debug_enabled(DRM_UT_DRIVER))
> @@ -583,7 +583,7 @@ static int it6505_dpcd_read(struct it6505 *it6505, unsigned long offset)
> {
> u8 value;
> int ret;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> ret = drm_dp_dpcd_readb(&it6505->aux, offset, &value);
> if (ret < 0) {
> @@ -597,7 +597,7 @@ static int it6505_dpcd_write(struct it6505 *it6505, unsigned long offset,
> u8 datain)
> {
> int ret;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> ret = drm_dp_dpcd_writeb(&it6505->aux, offset, datain);
> if (ret < 0) {
> @@ -610,7 +610,7 @@ static int it6505_dpcd_write(struct it6505 *it6505, unsigned long offset,
> static int it6505_get_dpcd(struct it6505 *it6505, int offset, u8 *dpcd, int num)
> {
> int ret;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> ret = drm_dp_dpcd_read(&it6505->aux, offset, dpcd, num);
>
> @@ -627,7 +627,7 @@ static void it6505_dump(struct it6505 *it6505)
> {
> unsigned int i, j;
> u8 regs[16];
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> for (i = 0; i <= 0xff; i += 16) {
> for (j = 0; j < 16; j++)
> @@ -666,7 +666,7 @@ static int it6505_read_word(struct it6505 *it6505, unsigned int reg)
>
> static void it6505_calc_video_info(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int hsync_pol, vsync_pol, interlaced;
> int htotal, hdes, hdew, hfph, hsyncw;
> int vtotal, vdes, vdew, vfph, vsyncw;
> @@ -910,7 +910,7 @@ static int it6505_aux_wait(struct it6505 *it6505)
> {
> int status;
> unsigned long timeout;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> timeout = jiffies + msecs_to_jiffies(AUX_WAIT_TIMEOUT_MS) + 1;
>
> @@ -1125,7 +1125,7 @@ static int it6505_get_edid_block(void *data, u8 *buf, unsigned int block,
> size_t len)
> {
> struct it6505 *it6505 = data;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> enum aux_cmd_reply reply;
> int offset, ret, aux_retry = 100;
>
> @@ -1185,7 +1185,7 @@ static int it6505_send_video_infoframe(struct it6505 *it6505,
> {
> u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
> int err;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> err = hdmi_avi_infoframe_pack(frame, buffer, sizeof(buffer));
> if (err < 0) {
> @@ -1215,7 +1215,7 @@ static void it6505_get_extcon_property(struct it6505 *it6505)
> {
> int err;
> union extcon_property_value property;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (it6505->extcon && !it6505->lane_swap_disabled) {
> err = extcon_get_property(it6505->extcon, EXTCON_DISP_DP,
> @@ -1368,7 +1368,7 @@ static void it6505_enable_audio_source(struct it6505 *it6505)
>
> static void it6505_enable_audio_infoframe(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> u8 audio_info_ca[] = { 0x00, 0x00, 0x01, 0x03, 0x07, 0x0B, 0x0F, 0x1F };
>
> DRM_DEV_DEBUG_DRIVER(dev, "infoframe channel_allocation:0x%02x",
> @@ -1397,7 +1397,7 @@ static void it6505_disable_audio(struct it6505 *it6505)
>
> static void it6505_enable_audio(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int regbe;
>
> DRM_DEV_DEBUG_DRIVER(dev, "start");
> @@ -1432,7 +1432,7 @@ static bool it6505_use_step_train_check(struct it6505 *it6505)
>
> static void it6505_parse_link_capabilities(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> struct it6505_drm_dp_link *link = &it6505->link;
> int bcaps;
>
> @@ -1545,7 +1545,7 @@ static void it6505_lane_count_setup(struct it6505 *it6505)
>
> static void it6505_link_training_setup(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (it6505->enable_enhanced_frame)
> it6505_set_bits(it6505, REG_DATA_MUTE_CTRL,
> @@ -1696,7 +1696,7 @@ it6505_step_cr_train(struct it6505 *it6505,
> FORCE_CR_DONE);
> return true;
> }
> - DRM_DEV_DEBUG_DRIVER(&it6505->client->dev, "cr not done");
> + DRM_DEV_DEBUG_DRIVER(it6505->dev, "cr not done");
>
> if (it6505_check_max_voltage_swing_reached(lane_level_config,
> it6505->lane_count))
> @@ -1773,7 +1773,7 @@ it6505_step_eq_train(struct it6505 *it6505,
> FORCE_EQ_DONE);
> return true;
> }
> - DRM_DEV_DEBUG_DRIVER(&it6505->client->dev, "eq not done");
> + DRM_DEV_DEBUG_DRIVER(it6505->dev, "eq not done");
>
> for (i = 0; i < it6505->lane_count; i++) {
> lane_voltage_pre_emphasis->voltage_swing[i] =
> @@ -1808,7 +1808,7 @@ static bool it6505_link_start_step_train(struct it6505 *it6505)
> .pre_emphasis = { 0 },
> };
>
> - DRM_DEV_DEBUG_DRIVER(&it6505->client->dev, "start");
> + DRM_DEV_DEBUG_DRIVER(it6505->dev, "start");
> err = it6505_drm_dp_link_configure(it6505);
>
> if (err < 0)
> @@ -1842,7 +1842,7 @@ static void it6505_reset_hdcp(struct it6505 *it6505)
>
> static void it6505_start_hdcp(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "start");
> it6505_reset_hdcp(it6505);
> @@ -1870,7 +1870,7 @@ static bool it6505_hdcp_is_ksv_valid(u8 *ksv)
>
> static void it6505_hdcp_part1_auth(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> u8 hdcp_bcaps;
>
> it6505_set_bits(it6505, REG_RESET_CTRL, HDCP_RESET, 0x00);
> @@ -1911,7 +1911,7 @@ static int it6505_sha1_digest(struct it6505 *it6505, u8 *sha1_input,
> struct shash_desc *desc;
> struct crypto_shash *tfm;
> int err;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> tfm = crypto_alloc_shash("sha1", 0, 0);
> if (IS_ERR(tfm)) {
> @@ -1936,7 +1936,7 @@ static int it6505_sha1_digest(struct it6505 *it6505, u8 *sha1_input,
>
> static int it6505_setup_sha1_input(struct it6505 *it6505, u8 *sha1_input)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> u8 binfo[2];
> int down_stream_count, i, err, msg_count = 0;
>
> @@ -2000,7 +2000,7 @@ static int it6505_setup_sha1_input(struct it6505 *it6505, u8 *sha1_input)
>
> static bool it6505_hdcp_part2_ksvlist_check(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> u8 av[5][4], bv[5][4];
> int i, err;
>
> @@ -2033,7 +2033,7 @@ static void it6505_hdcp_wait_ksv_list(struct work_struct *work)
> {
> struct it6505 *it6505 = container_of(work, struct it6505,
> hdcp_wait_ksv_list);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> unsigned int timeout = 5000;
> u8 bstatus = 0;
> bool ksv_list_check;
> @@ -2075,7 +2075,7 @@ static void it6505_hdcp_work(struct work_struct *work)
> {
> struct it6505 *it6505 = container_of(work, struct it6505,
> hdcp_work.work);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int ret;
> u8 link_status[DP_LINK_STATUS_SIZE] = { 0 };
>
> @@ -2116,7 +2116,7 @@ static void it6505_hdcp_work(struct work_struct *work)
>
> static void it6505_show_hdcp_info(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int i;
> u8 *sha1 = it6505->sha1_input;
>
> @@ -2150,7 +2150,7 @@ static void it6505_stop_link_train(struct it6505 *it6505)
>
> static void it6505_link_train_ok(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> it6505->link_state = LINK_OK;
> /* disalbe mute enable avi info frame */
> @@ -2169,7 +2169,7 @@ static void it6505_link_train_ok(struct it6505 *it6505)
>
> static void it6505_link_step_train_process(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int ret, i, step_retry = 3;
>
> DRM_DEV_DEBUG_DRIVER(dev, "Start step train");
> @@ -2207,7 +2207,7 @@ static void it6505_link_step_train_process(struct it6505 *it6505)
> static void it6505_link_training_work(struct work_struct *work)
> {
> struct it6505 *it6505 = container_of(work, struct it6505, link_works);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int ret;
>
> DRM_DEV_DEBUG_DRIVER(dev, "it6505->sink_count: %d",
> @@ -2255,7 +2255,7 @@ static void it6505_remove_edid(struct it6505 *it6505)
>
> static int it6505_process_hpd_irq(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int ret, dpcd_sink_count, dp_irq_vector, bstatus;
> u8 link_status[DP_LINK_STATUS_SIZE];
>
> @@ -2319,7 +2319,7 @@ static int it6505_process_hpd_irq(struct it6505 *it6505)
>
> static void it6505_irq_hpd(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int dp_sink_count;
>
> it6505->hpd_state = it6505_get_sink_hpd_status(it6505);
> @@ -2381,7 +2381,7 @@ static void it6505_irq_hpd(struct it6505 *it6505)
>
> static void it6505_irq_hpd_irq(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "hpd_irq interrupt");
>
> @@ -2391,7 +2391,7 @@ static void it6505_irq_hpd_irq(struct it6505 *it6505)
>
> static void it6505_irq_scdt(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> bool data;
>
> data = it6505_get_video_status(it6505);
> @@ -2406,7 +2406,7 @@ static void it6505_irq_scdt(struct it6505 *it6505)
>
> static void it6505_irq_hdcp_done(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "hdcp done interrupt");
> it6505->hdcp_status = HDCP_AUTH_DONE;
> @@ -2415,7 +2415,7 @@ static void it6505_irq_hdcp_done(struct it6505 *it6505)
>
> static void it6505_irq_hdcp_fail(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "hdcp fail interrupt");
> it6505->hdcp_status = HDCP_AUTH_IDLE;
> @@ -2425,14 +2425,14 @@ static void it6505_irq_hdcp_fail(struct it6505 *it6505)
>
> static void it6505_irq_aux_cmd_fail(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "AUX PC Request Fail Interrupt");
> }
>
> static void it6505_irq_hdcp_ksv_check(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "HDCP event Interrupt");
> schedule_work(&it6505->hdcp_wait_ksv_list);
> @@ -2440,7 +2440,7 @@ static void it6505_irq_hdcp_ksv_check(struct it6505 *it6505)
>
> static void it6505_irq_audio_fifo_error(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "audio fifo error Interrupt");
>
> @@ -2450,7 +2450,7 @@ static void it6505_irq_audio_fifo_error(struct it6505 *it6505)
>
> static void it6505_irq_link_train_fail(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "link training fail interrupt");
> schedule_work(&it6505->link_works);
> @@ -2458,7 +2458,7 @@ static void it6505_irq_link_train_fail(struct it6505 *it6505)
>
> static void it6505_irq_video_fifo_error(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "video fifo overflow interrupt");
> it6505->auto_train_retry = AUTO_TRAIN_RETRY;
> @@ -2469,7 +2469,7 @@ static void it6505_irq_video_fifo_error(struct it6505 *it6505)
>
> static void it6505_irq_io_latch_fifo_overflow(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "IO latch fifo overflow interrupt");
> it6505->auto_train_retry = AUTO_TRAIN_RETRY;
> @@ -2486,7 +2486,7 @@ static bool it6505_test_bit(unsigned int bit, const unsigned int *addr)
> static irqreturn_t it6505_int_threaded_handler(int unused, void *data)
> {
> struct it6505 *it6505 = data;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> static const struct {
> int bit;
> void (*handler)(struct it6505 *it6505);
> @@ -2538,7 +2538,7 @@ static irqreturn_t it6505_int_threaded_handler(int unused, void *data)
>
> static int it6505_poweron(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> struct it6505_platform_data *pdata = &it6505->pdata;
> int err;
>
> @@ -2587,7 +2587,7 @@ static int it6505_poweron(struct it6505 *it6505)
>
> static int it6505_poweroff(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> struct it6505_platform_data *pdata = &it6505->pdata;
> int err;
>
> @@ -2621,7 +2621,7 @@ static int it6505_poweroff(struct it6505 *it6505)
>
> static enum drm_connector_status it6505_detect(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> enum drm_connector_status status = connector_status_disconnected;
> int dp_sink_count;
>
> @@ -2682,7 +2682,7 @@ static int it6505_extcon_notifier(struct notifier_block *self,
> static void it6505_extcon_work(struct work_struct *work)
> {
> struct it6505 *it6505 = container_of(work, struct it6505, extcon_wq);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int state, ret;
>
> if (it6505->enable_drv_hold)
> @@ -2727,11 +2727,11 @@ static void it6505_extcon_work(struct work_struct *work)
> static int it6505_use_notifier_module(struct it6505 *it6505)
> {
> int ret;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> it6505->event_nb.notifier_call = it6505_extcon_notifier;
> INIT_WORK(&it6505->extcon_wq, it6505_extcon_work);
> - ret = devm_extcon_register_notifier(&it6505->client->dev,
> + ret = devm_extcon_register_notifier(it6505->dev,
> it6505->extcon, EXTCON_DISP_DP,
> &it6505->event_nb);
> if (ret) {
> @@ -2747,7 +2747,7 @@ static int it6505_use_notifier_module(struct it6505 *it6505)
> static void it6505_remove_notifier_module(struct it6505 *it6505)
> {
> if (it6505->extcon) {
> - devm_extcon_unregister_notifier(&it6505->client->dev,
> + devm_extcon_unregister_notifier(it6505->dev,
> it6505->extcon, EXTCON_DISP_DP,
> &it6505->event_nb);
>
> @@ -2760,7 +2760,7 @@ static void __maybe_unused it6505_delayed_audio(struct work_struct *work)
> struct it6505 *it6505 = container_of(work, struct it6505,
> delayed_audio.work);
>
> - DRM_DEV_DEBUG_DRIVER(&it6505->client->dev, "start");
> + DRM_DEV_DEBUG_DRIVER(it6505->dev, "start");
>
> if (!it6505->powered)
> return;
> @@ -2773,7 +2773,7 @@ static int __maybe_unused it6505_audio_setup_hw_params(struct it6505 *it6505,
> struct hdmi_codec_params
> *params)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int i = 0;
>
> DRM_DEV_DEBUG_DRIVER(dev, "%s %d Hz, %d bit, %d channels\n", __func__,
> @@ -2857,7 +2857,7 @@ static int it6505_bridge_attach(struct drm_bridge *bridge,
> enum drm_bridge_attach_flags flags)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> int ret;
>
> if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) {
> @@ -2921,7 +2921,7 @@ static void it6505_bridge_atomic_enable(struct drm_bridge *bridge,
> struct drm_bridge_state *old_state)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> struct drm_atomic_state *state = old_state->base.state;
> struct hdmi_avi_infoframe frame;
> struct drm_crtc_state *crtc_state;
> @@ -2977,7 +2977,7 @@ static void it6505_bridge_atomic_disable(struct drm_bridge *bridge,
> struct drm_bridge_state *old_state)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "start");
>
> @@ -2992,7 +2992,7 @@ static void it6505_bridge_atomic_pre_enable(struct drm_bridge *bridge,
> struct drm_bridge_state *old_state)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "start");
>
> @@ -3003,7 +3003,7 @@ static void it6505_bridge_atomic_post_disable(struct drm_bridge *bridge,
> struct drm_bridge_state *old_state)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> DRM_DEV_DEBUG_DRIVER(dev, "start");
>
> @@ -3022,7 +3022,7 @@ static struct edid *it6505_bridge_get_edid(struct drm_bridge *bridge,
> struct drm_connector *connector)
> {
> struct it6505 *it6505 = bridge_to_it6505(bridge);
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> if (!it6505->cached_edid) {
> it6505->cached_edid = drm_do_get_edid(connector, it6505_get_edid_block,
> @@ -3074,7 +3074,7 @@ static const struct dev_pm_ops it6505_bridge_pm_ops = {
> static int it6505_init_pdata(struct it6505 *it6505)
> {
> struct it6505_platform_data *pdata = &it6505->pdata;
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> /* 1.0V digital core power regulator */
> pdata->pwr18 = devm_regulator_get(dev, "pwr18");
> @@ -3116,7 +3116,7 @@ static int it6505_get_data_lanes_count(const struct device_node *endpoint,
>
> static void it6505_parse_dt(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
> struct device_node *np = dev->of_node, *ep = NULL;
> int len;
> u64 link_frequencies;
> @@ -3320,7 +3320,7 @@ static void debugfs_create_files(struct it6505 *it6505)
>
> static void debugfs_init(struct it6505 *it6505)
> {
> - struct device *dev = &it6505->client->dev;
> + struct device *dev = it6505->dev;
>
> it6505->debugfs = debugfs_create_dir(DEBUGFS_DIR_NAME, NULL);
>
> @@ -3362,7 +3362,7 @@ static int it6505_i2c_probe(struct i2c_client *client)
>
> it6505->bridge.of_node = client->dev.of_node;
> it6505->connector_status = connector_status_disconnected;
> - it6505->client = client;
> + it6505->dev = &client->dev;
> i2c_set_clientdata(client, it6505);
>
> /* get extcon device from DTS */
> --
> 2.39.2.637.g21b0678d19-goog
>
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