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From: Simon Glass <sjg@chromium.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: Stefan Roese <sr@denx.de>, Bin Meng <bmeng.cn@gmail.com>,
	 Marek Vasut <marek.vasut+renesas@gmail.com>,
	U-Boot Mailing List <u-boot@lists.denx.de>
Subject: Re: [PATCH u-boot-next 12/12] pci: sh7751: Fix access to config space via PCI_CONF1_ADDRESS() macro
Date: Tue, 28 Dec 2021 01:32:19 -0700	[thread overview]
Message-ID: <CAPnjgZ2DMUiFz=igkM54g4abtrakYarLSakX4XjwgxkZwNjFZQ@mail.gmail.com> (raw)
In-Reply-To: <20211126104252.5443-13-pali@kernel.org>

On Fri, 26 Nov 2021 at 03:43, Pali Rohár <pali@kernel.org> wrote:
>
> sh7751 platform uses standard format of Config Address for PCI
> Configuration Mechanism #1.
>
> Commit 72c2f4acd76f ("pci: sh7751: Convert to DM and DT probing") which did
> conversion of PCI sh7751 driver to DM, broke access to config space as that
> commit somehow swapped device and function bits in config address.
>
> Fix all these issues by using new U-Boot macro PCI_CONF1_ADDRESS() which
> calculates Config Address correctly.
>
> Also remove nonsense function sh7751_pci_addr_valid() which was introduced
> in commit 72c2f4acd76f ("pci: sh7751: Convert to DM and DT probing")
> probably due to workarounded issues with mixing/swapping device and
> function bits of config address which probably resulted in non-working
> access to some devices. With correct composing of config address there
> should not be such issue anymore.
>
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Fixes: 72c2f4acd76f ("pci: sh7751: Convert to DM and DT probing")
> Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
> ---
>  drivers/pci/pci_sh7751.c | 29 ++---------------------------
>  1 file changed, 2 insertions(+), 27 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>

  reply	other threads:[~2021-12-28  8:33 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-26 10:42 [PATCH u-boot-next 00/12] Common U-Boot macros for PCI Configuration Mechanism #1 Pali Rohár
2021-11-26 10:42 ` [PATCH u-boot-next 01/12] pci: Add standard PCI Config Address macros Pali Rohár
2021-12-28  8:32   ` Simon Glass
2021-12-28 13:34     ` Pali Rohár
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 02/12] pci: gt64120: Use PCI_CONF1_ADDRESS() macro Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 03/12] pci: mpc85xx: Use PCI_CONF1_EXT_ADDRESS() macro Pali Rohár
2021-12-28  8:32   ` Simon Glass
2021-12-28 13:47     ` Pali Rohár
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 04/12] pci: msc01: Use PCI_CONF1_ADDRESS() macro Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 05/12] pci: mvebu: Use PCI_CONF1_EXT_ADDRESS() macro Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 06/12] pci: tegra: " Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:51   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 07/12] pci: fsl: " Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:52   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 08/12] pci: mediatek: " Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:52   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 09/12] pci: sh7780: Use PCI_CONF1_ADDRESS() macro Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:52   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 10/12] x86: pci: " Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:52   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 11/12] m68k: mcf5445x: " Pali Rohár
2021-12-28  8:32   ` Simon Glass
2022-01-13  1:52   ` Tom Rini
2021-11-26 10:42 ` [PATCH u-boot-next 12/12] pci: sh7751: Fix access to config space via " Pali Rohár
2021-12-28  8:32   ` Simon Glass [this message]
2022-01-13  1:52   ` Tom Rini
2021-12-17 17:35 ` [PATCH u-boot-next 00/12] Common U-Boot macros for PCI Configuration Mechanism #1 Pali Rohár

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