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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59301f41ce8sm2210689e87.6.2025.10.27.01.06.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Oct 2025 01:06:22 -0700 (PDT) From: Marcus Folkesson Date: Mon, 27 Oct 2025 09:05:41 +0100 Subject: [PATCH v2 1/6] drm/sitronix/st7571-i2c: rename 'struct drm_device' in st7571_device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251027-st7571-split-v2-1-8352fb278d21@gmail.com> References: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> In-Reply-To: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7030; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=uQbA0rKYunCTI3/XflhoFu8URyEuC+L2ECojxVblZ4c=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo/yfejWKPA2jbFMsz2tZ1j5znPFP13D1ywrh68 efLU3i428mJAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaP8n3gAKCRCIgE5vWV1S MtyyD/9Q0LjBzLqpbGdDWU7cVqRQIF7w1xCwikr04evge3uf2R+1vxMP0fT8DYs0102vuX98IYN pYSzurCQlzxounNsTVEoVODIlrZuLk0tNe1/dDFWeEeveRxWvkOLmiz2h/MIALWl9kCQ9ALNG7z A5LuLYYUs/JnVIV2kgjT3jskK63JLMcb70+CKSeMicL/cA8iWh8JTRwjO38s1uPZqzx+yQj9qiN WZ9TVrc1zUH7kw94jbubzPUlyNir/34D4mll08u3PnA3DonRHrZeWFDsfCj+SrtYgtsmI1kUKxr yQ6tFcZy7fTR0aSJIPBseamBKsUeRQLXKzuV/PvCxa4Z4okXsjZbMhKR1FxyyHEfIEYNUa7lsaN nxqPighXRaBGZ1gKrhS+dsrEGTnYrbrVryuSRtb2S6v41F7bH230CSGLJaEbhMcU2XdhfC+rx7H 2hckFffe3S88uxU12iDPzL0JMikLSrSgN6HNzXJQQ/2Fpr626VSnxR3x48oQa7JQeaD5mPib1sx LzePCWdzyvaC3aZ6cvgP825zAgOXEVa0XyPLsgA8r3C4FkekFNQe3/MYGxSf42qfiDjgp03Ncd2 61qhQLDRiOKcmgn0yTp2/+6W5R4fKkilIO0h0uYAVsnQ/Ld2AKJL8iIs0IO17wBYTleJ/IoN7nY 9w4QpY7bAerivXQ== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Rename st7571_device.dev to st7571_device.drm in preparation to introduce a 'struct device' member to this structure. Signed-off-by: Marcus Folkesson --- drivers/gpu/drm/sitronix/st7571-i2c.c | 60 +++++++++++++++++--------------= ---- 1 file changed, 30 insertions(+), 30 deletions(-) diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 4e73c8b415d677dab5b421666b56f4bb3697b982..71814a3eb93b7adf554da082a02= 37da371e5f5b5 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -112,7 +112,7 @@ struct st7571_panel_format { }; =20 struct st7571_device { - struct drm_device dev; + struct drm_device drm; =20 struct drm_plane primary_plane; struct drm_crtc crtc; @@ -166,9 +166,9 @@ struct st7571_device { u8 *row; }; =20 -static inline struct st7571_device *drm_to_st7571(struct drm_device *dev) +static inline struct st7571_device *drm_to_st7571(struct drm_device *drm) { - return container_of(dev, struct st7571_device, dev); + return container_of(drm, struct st7571_device, drm); } =20 static int st7571_regmap_write(void *context, const void *data, size_t cou= nt) @@ -467,7 +467,7 @@ static void st7571_primary_plane_helper_atomic_update(s= truct drm_plane *plane, struct drm_shadow_plane_state *shadow_plane_state =3D to_drm_shadow_plane= _state(plane_state); struct drm_framebuffer *fb =3D plane_state->fb; struct drm_atomic_helper_damage_iter iter; - struct drm_device *dev =3D plane->dev; + struct drm_device *drm =3D plane->dev; struct drm_rect damage; struct st7571_device *st7571 =3D drm_to_st7571(plane->dev); int ret, idx; @@ -479,7 +479,7 @@ static void st7571_primary_plane_helper_atomic_update(s= truct drm_plane *plane, if (ret) return; =20 - if (!drm_dev_enter(dev, &idx)) + if (!drm_dev_enter(drm, &idx)) goto out_drm_gem_fb_end_cpu_access; =20 drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state); @@ -501,11 +501,11 @@ static void st7571_primary_plane_helper_atomic_update= (struct drm_plane *plane, static void st7571_primary_plane_helper_atomic_disable(struct drm_plane *p= lane, struct drm_atomic_state *state) { - struct drm_device *dev =3D plane->dev; + struct drm_device *drm =3D plane->dev; struct st7571_device *st7571 =3D drm_to_st7571(plane->dev); int idx; =20 - if (!drm_dev_enter(dev, &idx)) + if (!drm_dev_enter(drm, &idx)) return; =20 st7571_fb_clear_screen(st7571); @@ -621,20 +621,20 @@ static struct drm_display_mode st7571_mode(struct st7= 571_device *st7571) =20 static int st7571_mode_config_init(struct st7571_device *st7571) { - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; const struct st7571_panel_constraints *constraints =3D &st7571->pdata->co= nstraints; int ret; =20 - ret =3D drmm_mode_config_init(dev); + ret =3D drmm_mode_config_init(drm); if (ret) return ret; =20 - dev->mode_config.min_width =3D constraints->min_ncols; - dev->mode_config.min_height =3D constraints->min_nlines; - dev->mode_config.max_width =3D constraints->max_ncols; - dev->mode_config.max_height =3D constraints->max_nlines; - dev->mode_config.preferred_depth =3D 24; - dev->mode_config.funcs =3D &st7571_mode_config_funcs; + drm->mode_config.min_width =3D constraints->min_ncols; + drm->mode_config.min_height =3D constraints->min_nlines; + drm->mode_config.max_width =3D constraints->max_ncols; + drm->mode_config.max_height =3D constraints->max_nlines; + drm->mode_config.preferred_depth =3D 24; + drm->mode_config.funcs =3D &st7571_mode_config_funcs; =20 return 0; } @@ -643,10 +643,10 @@ static int st7571_plane_init(struct st7571_device *st= 7571, const struct st7571_panel_format *pformat) { struct drm_plane *primary_plane =3D &st7571->primary_plane; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_universal_plane_init(dev, primary_plane, 0, + ret =3D drm_universal_plane_init(drm, primary_plane, 0, &st7571_primary_plane_funcs, pformat->formats, pformat->nformats, @@ -665,10 +665,10 @@ static int st7571_crtc_init(struct st7571_device *st7= 571) { struct drm_plane *primary_plane =3D &st7571->primary_plane; struct drm_crtc *crtc =3D &st7571->crtc; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_crtc_init_with_planes(dev, crtc, primary_plane, NULL, + ret =3D drm_crtc_init_with_planes(drm, crtc, primary_plane, NULL, &st7571_crtc_funcs, NULL); if (ret) return ret; @@ -682,10 +682,10 @@ static int st7571_encoder_init(struct st7571_device *= st7571) { struct drm_encoder *encoder =3D &st7571->encoder; struct drm_crtc *crtc =3D &st7571->crtc; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_encoder_init(dev, encoder, &st7571_encoder_funcs, DRM_MODE_EN= CODER_NONE, NULL); + ret =3D drm_encoder_init(drm, encoder, &st7571_encoder_funcs, DRM_MODE_EN= CODER_NONE, NULL); if (ret) return ret; =20 @@ -700,10 +700,10 @@ static int st7571_connector_init(struct st7571_device= *st7571) { struct drm_connector *connector =3D &st7571->connector; struct drm_encoder *encoder =3D &st7571->encoder; - struct drm_device *dev =3D &st7571->dev; + struct drm_device *drm =3D &st7571->drm; int ret; =20 - ret =3D drm_connector_init(dev, connector, &st7571_connector_funcs, + ret =3D drm_connector_init(drm, connector, &st7571_connector_funcs, DRM_MODE_CONNECTOR_Unknown); if (ret) return ret; @@ -934,15 +934,15 @@ static int st7571_lcd_init(struct st7571_device *st75= 71) static int st7571_probe(struct i2c_client *client) { struct st7571_device *st7571; - struct drm_device *dev; + struct drm_device *drm; int ret; =20 st7571 =3D devm_drm_dev_alloc(&client->dev, &st7571_driver, - struct st7571_device, dev); + struct st7571_device, drm); if (IS_ERR(st7571)) return PTR_ERR(st7571); =20 - dev =3D &st7571->dev; + drm =3D &st7571->drm; st7571->client =3D client; i2c_set_clientdata(client, st7571); st7571->pdata =3D device_get_match_data(&client->dev); @@ -1010,14 +1010,14 @@ static int st7571_probe(struct i2c_client *client) return dev_err_probe(&client->dev, ret, "Failed to initialize connector\n"); =20 - drm_mode_config_reset(dev); + drm_mode_config_reset(drm); =20 - ret =3D drm_dev_register(dev, 0); + ret =3D drm_dev_register(drm, 0); if (ret) return dev_err_probe(&client->dev, ret, "Failed to register DRM device\n"); =20 - drm_client_setup(dev, NULL); + drm_client_setup(drm, NULL); return 0; } =20 @@ -1025,7 +1025,7 @@ static void st7571_remove(struct i2c_client *client) { struct st7571_device *st7571 =3D i2c_get_clientdata(client); =20 - drm_dev_unplug(&st7571->dev); 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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59301f41ce8sm2210689e87.6.2025.10.27.01.06.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Oct 2025 01:06:24 -0700 (PDT) From: Marcus Folkesson Date: Mon, 27 Oct 2025 09:05:42 +0100 Subject: [PATCH v2 2/6] drm/sitronix/st7571-i2c: add 'struct device' to st7571_device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251027-st7571-split-v2-2-8352fb278d21@gmail.com> References: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> In-Reply-To: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4484; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=LfOcWsXvHf24Rmlqiz3/HxiBo5dw0vDuG1TwXuVbpUw=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo/yfjwDnLYpkefFw8wspv86ZqWh7GZDBsJdLoT Um3JTZAYAiJAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaP8n4wAKCRCIgE5vWV1S MtmTEACeFpCAFkUknPDpaoEYTuORZ3YCKbfDe6m73afchsg9qwSwf4jAQOXZB8KnpLOT4rc9kgC qmIS6JpWGJqAwi/uSGVC9cWTF+BZlnlXV2vIo5MPoISAwAgRuiZ3ZqViR4SHH+yB8/OZk8pREln 3/Y8u8epGhjB7Y4d84JBvv7cD6JfZLDQUT4itSQSw4r8mccksim6hHd4hFNNCoU0LHQtKNL+gaK oBz9lRN2504QKfzGpBAZlTJJ+Pxhd8ZepPIkyY1UQTVnrVgvraam/bkq4SZ2IT3RtHt4VofU9sZ xqbqvAdH77PJkdRa/83x/8DrOTQqkFfTrxNJFtkfSB/kmpH1CSysZux8QhwFIc1+D/PJk0fROR9 QujMlPCQHzFL0w15eoKa86244QWm2GY0DS4gc8jDYNeVggUqrs8Ccx7lm4vCuZzLyObDwbG48jB S6NzG5nD1lZwXNwP/ElhygkM3xUomK3ewmjcdzfc91eMpLGCrK7pbSYXW5GWLRvLV5uuJj2KaWG 001oroV8d+vRP6n1/LInvl1bj6HScsZ4E5vRC4PeQHlDg8/5xw39pXN80NYPsyT1l5vRWtxPiD/ 1TNeL7xXLVb77nSCGhGIoBO1bQOu9HGxBGRD7zyv++c9N+6GDZEON72aPtrXGgWDq2FosKv7bBU Dc3zQQLkA8W+Mbw== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Keep a copy of the device structure instead of referring to i2c_client. This is a preparation step to separate the generic part from all i2c stuff. Signed-off-by: Marcus Folkesson --- drivers/gpu/drm/sitronix/st7571-i2c.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 71814a3eb93b7adf554da082a0237da371e5f5b5..2b52919d7dd434bb16aa66274ea= e8730649f62f1 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -113,6 +113,7 @@ struct st7571_panel_format { =20 struct st7571_device { struct drm_device drm; + struct device *dev; =20 struct drm_plane primary_plane; struct drm_crtc crtc; @@ -741,7 +742,7 @@ static const struct regmap_config st7571_regmap_config = =3D { =20 static int st7571_validate_parameters(struct st7571_device *st7571) { - struct device *dev =3D st7571->dev.dev; + struct device *dev =3D st7571->dev; const struct st7571_panel_constraints *constraints =3D &st7571->pdata->co= nstraints; =20 if (st7571->width_mm =3D=3D 0) { @@ -781,7 +782,7 @@ static int st7571_validate_parameters(struct st7571_dev= ice *st7571) =20 static int st7567_parse_dt(struct st7571_device *st7567) { - struct device *dev =3D &st7567->client->dev; + struct device *dev =3D st7567->dev; struct device_node *np =3D dev->of_node; struct display_timing dt; int ret; @@ -808,7 +809,7 @@ static int st7567_parse_dt(struct st7571_device *st7567) =20 static int st7571_parse_dt(struct st7571_device *st7571) { - struct device *dev =3D &st7571->client->dev; + struct device *dev =3D st7571->dev; struct device_node *np =3D dev->of_node; struct display_timing dt; int ret; @@ -943,9 +944,10 @@ static int st7571_probe(struct i2c_client *client) return PTR_ERR(st7571); =20 drm =3D &st7571->drm; + st7571->dev =3D &client->dev; st7571->client =3D client; i2c_set_clientdata(client, st7571); - st7571->pdata =3D device_get_match_data(&client->dev); + st7571->pdata =3D device_get_match_data(st7571->dev); =20 ret =3D st7571->pdata->parse_dt(st7571); if (ret) @@ -966,20 +968,20 @@ static int st7571_probe(struct i2c_client *client) if (i2c_check_functionality(client->adapter, I2C_FUNC_PROTOCOL_MANGLING)) st7571->ignore_nak =3D true; =20 - st7571->regmap =3D devm_regmap_init(&client->dev, &st7571_regmap_bus, + st7571->regmap =3D devm_regmap_init(st7571->dev, &st7571_regmap_bus, client, &st7571_regmap_config); if (IS_ERR(st7571->regmap)) { - return dev_err_probe(&client->dev, PTR_ERR(st7571->regmap), + return dev_err_probe(st7571->dev, PTR_ERR(st7571->regmap), "Failed to initialize regmap\n"); } =20 - st7571->hwbuf =3D devm_kzalloc(&client->dev, + st7571->hwbuf =3D devm_kzalloc(st7571->dev, (st7571->nlines * st7571->ncols * st7571->bpp) / 8, GFP_KERNEL); if (!st7571->hwbuf) return -ENOMEM; =20 - st7571->row =3D devm_kzalloc(&client->dev, + st7571->row =3D devm_kzalloc(st7571->dev, (st7571->ncols * st7571->bpp), GFP_KERNEL); if (!st7571->row) @@ -987,34 +989,34 @@ static int st7571_probe(struct i2c_client *client) =20 ret =3D st7571_mode_config_init(st7571); if (ret) - return dev_err_probe(&client->dev, ret, + return dev_err_probe(st7571->dev, ret, "Failed to initialize mode config\n"); =20 ret =3D st7571_plane_init(st7571, st7571->pformat); if (ret) - return dev_err_probe(&client->dev, ret, + return dev_err_probe(st7571->dev, ret, "Failed to initialize primary plane\n"); =20 ret =3D st7571_crtc_init(st7571); 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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-59301f41ce8sm2210689e87.6.2025.10.27.01.06.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Oct 2025 01:06:25 -0700 (PDT) From: Marcus Folkesson Date: Mon, 27 Oct 2025 09:05:43 +0100 Subject: [PATCH v2 3/6] drm/sitronix/st7571-i2c: move common structures to st7571.h Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251027-st7571-split-v2-3-8352fb278d21@gmail.com> References: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> In-Reply-To: <20251027-st7571-split-v2-0-8352fb278d21@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7890; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=oj5JSSIwffzeqzrjLvw57GX1wzHco1M6GQyX3QdaS3o=; b=owEBbQKS/ZANAwAKAYiATm9ZXVIyAcsmYgBo/yfotsdwL2JDtbBx3/1RqTJkbA+8FY1KPli9n I/PzE9iU3yJAjMEAAEKAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCaP8n6AAKCRCIgE5vWV1S MpvLD/92QqkcZ6aKJTaa83b4u4tqUaO7+BeNnR3XmC3/Kr1Jy4fUBqtKwFIMPLzpeTjvrkUOUZz 7jX+Gor6w+iiYjZumiEON/PPrRnNUVcCAOdSPpismXuRysLUKXCVB3i4bPs0WEAznRYQ4WsmijS dMKVBa5As70LmSeolYw8Rly/1e9Ip/Hg6GcHwdwKfnAxdvLblV/oiwEifTQG2953043a1IeLavI WO11TU3SH5qoZW9IyuBEF9Mh9ionSPLoXUHvuyfmg4Qs8fNzaTuafwA98NclvjqdrnIA+TQ+M1q S2efMRXlaOUu0jk9bx2v4gxnNMHcJenEFeq579DkC4i3H8wOMWclmgNDYj4g6v1PF/qA8FOLGzg wlJ1oQx7pBErIb9UbL+O4LTmqKjgQxpS1mQNsCfXgL+c/qpeFrYQWpOLHCcF8P/5rrcxpESRv8Y OT5dR28uAJbZgwpbD5YVnC9sH0QqNojluHEbE36flV7UyS6fI+ngS9IC1IUSyXdz9DdI/gJQV8+ mSgofGp9osVCY0mcmsptYI1Y/Z+v19U5YwBqX8x8dEgL91sPvVOEaprVkvSDj77uDO2YiSNRvz9 s+lO9u3GDcYPpxNs7nGHnsNTTv6h2/Q9eHCGnsarlDzahslrNBm57pXI4GQ2ba71qEFM5qCg9PD 8RA4/YvhX7srcXQ== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Move all structures that will be common for all interfaces (SPI/I2C) to a separate header file. Signed-off-by: Marcus Folkesson --- MAINTAINERS | 1 + drivers/gpu/drm/sitronix/st7571-i2c.c | 91 +--------------------------- drivers/gpu/drm/sitronix/st7571.h | 108 ++++++++++++++++++++++++++++++= ++++ 3 files changed, 111 insertions(+), 89 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index cc8a7f3f1dabaf402b21f767ecb093a31ade248f..2814faae61eceecae1bccaaf920= 10e22dca81376 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8083,6 +8083,7 @@ S: Maintained F: Documentation/devicetree/bindings/display/sitronix,st7567.yaml F: Documentation/devicetree/bindings/display/sitronix,st7571.yaml F: drivers/gpu/drm/sitronix/st7571-i2c.c +F: drivers/gpu/drm/sitronix/st7571.h =20 DRM DRIVER FOR SITRONIX ST7701 PANELS M: Jagan Teki diff --git a/drivers/gpu/drm/sitronix/st7571-i2c.c b/drivers/gpu/drm/sitron= ix/st7571-i2c.c index 2b52919d7dd434bb16aa66274eae8730649f62f1..af27658a5e152534d445bc62389= 3eee6b3ca00d5 100644 --- a/drivers/gpu/drm/sitronix/st7571-i2c.c +++ b/drivers/gpu/drm/sitronix/st7571-i2c.c @@ -35,6 +35,8 @@ #include