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[2/5] drivers/firmware: Don't mark as busy the simple-framebuffer IO resource

Message ID 20220125091222.21457-3-tzimmermann@suse.de
State New
Headers show
Series sysfb: Fix memory-region management | expand

Commit Message

Thomas Zimmermann Jan. 25, 2022, 9:12 a.m. UTC 
From: Javier Martinez Canillas <javierm@redhat.com>

The sysfb_create_simplefb() function requests a IO memory resource for the
simple-framebuffer platform device, but it also marks it as busy which can
lead to drivers requesting the same memory resource to fail.

Let's drop the IORESOURCE_BUSY flag and let drivers to request it as busy
instead.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/firmware/sysfb_simplefb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/firmware/sysfb_simplefb.c b/drivers/firmware/sysfb_simplefb.c
index 303a491e520d..76c4abc42a30 100644
--- a/drivers/firmware/sysfb_simplefb.c
+++ b/drivers/firmware/sysfb_simplefb.c
@@ -99,7 +99,7 @@  __init int sysfb_create_simplefb(const struct screen_info *si,
 
 	/* setup IORESOURCE_MEM as framebuffer memory */
 	memset(&res, 0, sizeof(res));
-	res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+	res.flags = IORESOURCE_MEM;
 	res.name = simplefb_resname;
 	res.start = base;
 	res.end = res.start + length - 1;