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[81.33.123.117]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46f9c8873f1sm19335655e9.8.2025.10.05.10.38.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Oct 2025 10:38:28 -0700 (PDT) From: Javier Garcia To: deller@gmx.de, u.kleine-koenig@baylibre.com, tzimmermann@suse.de Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, shuah@kernel.org, Javier Garcia Subject: [PATCH] fbdev: mb862xxfbdrv: Make CONFIG_FB_DEVICE optional Date: Sun, 5 Oct 2025 19:38:12 +0200 Message-ID: <20251005173812.1169436-1-rampxxxx@gmail.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This patch wraps the relevant code blocks with #ifdef CONFIG_FB_DEVICE, allowing the driver to be built and used even if CONFIG_FB_DEVICE is not se= lected. The sysfs only give access to show some controller and cursor registers so it's not needed to allow driver works correctly. Signed-off-by: Javier Garcia --- drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbd= ev/mb862xx/mb862xxfbdrv.c index ade88e7bc760..a691a5fefb25 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c @@ -530,6 +530,7 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi) return 0; } =20 +#ifdef CONFIG_FB_DEVICE /* * show some display controller and cursor registers */ @@ -569,6 +570,7 @@ static ssize_t dispregs_show(struct device *dev, } =20 static DEVICE_ATTR_RO(dispregs); +#endif =20 static irqreturn_t mb862xx_intr(int irq, void *dev_id) { @@ -759,9 +761,11 @@ static int of_platform_mb862xx_probe(struct platform_d= evice *ofdev) =20 dev_set_drvdata(dev, info); =20 +#ifdef CONFIG_FB_DEVICE if (device_create_file(dev, &dev_attr_dispregs)) dev_err(dev, "Can't create sysfs regdump file\n"); return 0; +#endif =20 rel_cmap: fb_dealloc_cmap(&info->cmap); @@ -801,7 +805,9 @@ static void of_platform_mb862xx_remove(struct platform_= device *ofdev) free_irq(par->irq, (void *)par); irq_dispose_mapping(par->irq); =20 +#ifdef CONFIG_FB_DEVICE device_remove_file(&ofdev->dev, &dev_attr_dispregs); +#endif =20 unregister_framebuffer(fbi); fb_dealloc_cmap(&fbi->cmap); @@ -1101,8 +1107,10 @@ static int mb862xx_pci_probe(struct pci_dev *pdev, =20 pci_set_drvdata(pdev, info); =20 +#ifdef CONFIG_FB_DEVICE if (device_create_file(dev, &dev_attr_dispregs)) dev_err(dev, "Can't create sysfs regdump file\n"); +#endif =20 if (par->type =3D=3D BT_CARMINE) outreg(ctrl, GC_CTRL_INT_MASK, GC_CARMINE_INT_EN); @@ -1151,7 +1159,9 @@ static void mb862xx_pci_remove(struct pci_dev *pdev) =20 mb862xx_i2c_exit(par); =20 +#ifdef CONFIG_FB_DEVICE device_remove_file(&pdev->dev, &dev_attr_dispregs); +#endif =20 unregister_framebuffer(fbi); fb_dealloc_cmap(&fbi->cmap); --=20 2.50.1