[PATCH v3 3/3] fbdev: kyro: Use devm_ioremap_wc() for screen mem
Giovanni Di Santi
giovanni.disanti.lkl at gmail.com
Wed Jul 9 09:53:54 UTC 2025
Replace the manual pci_ioremap_wc() call for mapping screen memory with the
device-managed devm_ioremap_wc() 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 at gmail.com>
---
drivers/video/fbdev/kyro/fbdev.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c
index ddc241f508b1..c8b1dfa456a3 100644
--- a/drivers/video/fbdev/kyro/fbdev.c
+++ b/drivers/video/fbdev/kyro/fbdev.c
@@ -706,7 +706,8 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!currentpar->regbase)
goto out_free_fb;
- info->screen_base = pci_ioremap_wc_bar(pdev, 0);
+ info->screen_base = devm_ioremap_wc(&pdev->dev, kyro_fix.smem_start,
+ kyro_fix.smem_len);
if (!info->screen_base)
goto out_free_fb;
@@ -743,7 +744,7 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
fb_memset_io(info->screen_base, 0, size);
if (register_framebuffer(info) < 0)
- goto out_unmap;
+ goto out_free_fb;
fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n",
info->fix.id,
@@ -754,8 +755,6 @@ static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
-out_unmap:
- iounmap(info->screen_base);
out_free_fb:
framebuffer_release(info);
@@ -777,8 +776,6 @@ static void kyrofb_remove(struct pci_dev *pdev)
deviceInfo.ulNextFreeVidMem = 0;
deviceInfo.ulOverlayOffset = 0;
- iounmap(info->screen_base);
-
arch_phys_wc_del(par->wc_cookie);
unregister_framebuffer(info);
--
2.43.0
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