This is a note to let you know that I've just added the patch titled
PCI: aardvark: Fix checking for PIO Non-posted Request
to the 5.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pci-aardvark-fix-checking-for-pio-non-posted-request.patch
and it can be found in the queue-5.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8ceeac307a79f68c0d0c72d6e48b82fa424204ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@xxxxxxxxxx>
Date: Thu, 24 Jun 2021 23:33:43 +0200
Subject: PCI: aardvark: Fix checking for PIO Non-posted Request
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From: Pali Rohár <pali@xxxxxxxxxx>
commit 8ceeac307a79f68c0d0c72d6e48b82fa424204ec upstream.
PIO_NON_POSTED_REQ for PIO_STAT register is incorrectly defined. Bit 10 in
register PIO_STAT indicates the response is to a non-posted request.
Link: https://lore.kernel.org/r/20210624213345.3617-2-pali@xxxxxxxxxx
Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Reviewed-by: Marek Behún <kabel@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pci/controller/pci-aardvark.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -57,7 +57,7 @@
#define PIO_COMPLETION_STATUS_UR 1
#define PIO_COMPLETION_STATUS_CRS 2
#define PIO_COMPLETION_STATUS_CA 4
-#define PIO_NON_POSTED_REQ BIT(0)
+#define PIO_NON_POSTED_REQ BIT(10)
#define PIO_ADDR_LS (PIO_BASE_ADDR + 0x8)
#define PIO_ADDR_MS (PIO_BASE_ADDR + 0xc)
#define PIO_WR_DATA (PIO_BASE_ADDR + 0x10)
Patches currently in stable-queue which might be from pali@xxxxxxxxxx are
queue-5.12/pci-aardvark-fix-checking-for-pio-non-posted-request.patch
queue-5.12/pci-aardvark-implement-workaround-for-the-readback-value-of-vend_id.patch
