linux-kernel - Re: [PATCH] MIPS: pci-legacy: revert "use generic pci_enable

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Message-ID: <20210420225630.GA223531@roeck-us.net>
Date:   Tue, 20 Apr 2021 15:56:30 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: pci-legacy: revert "use generic
 pci_enable_resources"

On Mon, Apr 19, 2021 at 11:39:43PM -0700, Ilya Lipnitskiy wrote:
> This mostly reverts commit 99bca615d895 ("MIPS: pci-legacy: use generic
> pci_enable_resources"). Fixes regressions such as:
>   ata_piix 0000:00:0a.1: can't enable device: BAR 0 [io  0x01f0-0x01f7] not
> 	claimed
>   ata_piix: probe of 0000:00:0a.1 failed with error -22
> 
> The only changes from the strict revert are to fix checkpatch errors:
>   ERROR: spaces required around that '=' (ctx:VxV)
>   #33: FILE: arch/mips/pci/pci-legacy.c:252:
>   +	for (idx=0; idx < PCI_NUM_RESOURCES; idx++) {
>  	        ^
> 
>   ERROR: do not use assignment in if condition
>   #67: FILE: arch/mips/pci/pci-legacy.c:284:
>   +	if ((err = pcibios_enable_resources(dev, mask)) < 0)
> 
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>

Tested-by: Guenter Roeck <linux@...ck-us.net>

Guenter