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Date:   Mon, 9 Nov 2020 13:09:00 -0800
From:   Jakub Kicinski <kuba@kernel.org>
To:     Sven Van Asbroeck <thesven73@gmail.com>
Cc:     Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v1] net: phy: spi_ks8995: Do not overwrite SPI
 mode flags
Message-ID: <20201109130900.39602186@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
In-Reply-To: <20201109193117.2017-1-TheSven73@gmail.com>
References: <20201109193117.2017-1-TheSven73@gmail.com>
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On Mon,  9 Nov 2020 14:31:17 -0500 Sven Van Asbroeck wrote:
> From: Sven Van Asbroeck <thesven73@gmail.com>
> 
> This driver makes sure the underlying SPI bus is set to "mode 0"
> by assigning SPI_MODE_0 to spi->mode. This overwrites all other
> SPI mode flags.
> 
> In some circumstances, this can break the underlying SPI bus driver.
> For example, if SPI_CS_HIGH is set on the SPI bus, the driver
> will clear that flag, which results in a chip-select polarity issue.
> 
> Fix by changing only the SPI_MODE_N bits, i.e. SPI_CPHA and SPI_CPOL.
> 
> Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com>

This is a fix right? You seem to be targeting net-next and there is no
Fixes tag but it sounds like a bug.