]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
fbdev: kyro: Use devm_ioremap() for mmio registers
authorGiovanni Di Santi <giovanni.disanti.lkl@gmail.com>
Wed, 9 Jul 2025 09:53:53 +0000 (11:53 +0200)
committerHelge Deller <deller@gmx.de>
Sun, 27 Jul 2025 17:56:51 +0000 (19:56 +0200)
Replace the manual ioremap() call for the MMIO registers with the
device-managed devm_ioremap() variant.

This simplifies the driver's resource management by ensuring the memory is
automatically unmapped when the driver detaches from the device.

Signed-off-by: Giovanni Di Santi <giovanni.disanti.lkl@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
drivers/video/fbdev/kyro/fbdev.c

index 86e5d60ed0ff941eae4dd0a480f9acf76f860f3b..ddc241f508b1314049d6dc5d6689f24a1fa6262c 100644 (file)
@@ -701,13 +701,14 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        kyro_fix.mmio_len   = pci_resource_len(pdev, 1);
 
        currentpar->regbase = deviceInfo.pSTGReg =
-               ioremap(kyro_fix.mmio_start, kyro_fix.mmio_len);
+               devm_ioremap(&pdev->dev, kyro_fix.mmio_start,
+                            kyro_fix.mmio_len);
        if (!currentpar->regbase)
                goto out_free_fb;
 
        info->screen_base = pci_ioremap_wc_bar(pdev, 0);
        if (!info->screen_base)
-               goto out_unmap_regs;
+               goto out_free_fb;
 
        if (!nomtrr)
                currentpar->wc_cookie = arch_phys_wc_add(kyro_fix.smem_start,
@@ -755,8 +756,6 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 out_unmap:
        iounmap(info->screen_base);
-out_unmap_regs:
-       iounmap(currentpar->regbase);
 out_free_fb:
        framebuffer_release(info);
 
@@ -779,7 +778,6 @@ static void kyrofb_remove(struct pci_dev *pdev)
        deviceInfo.ulOverlayOffset = 0;
 
        iounmap(info->screen_base);
-       iounmap(par->regbase);
 
        arch_phys_wc_del(par->wc_cookie);