linux-kernel - Re: [PATCH] mtd: spi-nor: intel-spi: Do not try to make the SPI flash chip writable

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Message-ID: <20200804140834.GR1375436@lahna.fi.intel.com>
Date:   Tue, 4 Aug 2020 17:08:34 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Daniel Gutson <daniel.gutson@...ypsium.com>
Cc:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alex Bazhaniuk <alex@...ypsium.com>,
        Richard Hughes <hughsient@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] mtd: spi-nor: intel-spi: Do not try to make the SPI
 flash chip writable

On Tue, Aug 04, 2020 at 10:58:17AM -0300, Daniel Gutson wrote:
> Currently, the intel-spi-pci driver tries to unconditionally set
> the SPI chip writeable. After discussing in the LKML, the original
> author decided that it was better  to remove the attempt.
> 
> Context, the intel-spi has a module argument that controls
> whether the driver attempts to turn the SPI flash chip writeable.
> The default value is FALSE (don't try to make it writeable).
> However, this flag applies only for a number of devices, coming from the
> platform driver, whereas the devices detected through the PCI driver
> (intel-spi-pci) are not subject to this check since the configuration
> takes place in intel-spi-pci which doesn't have an argument.
> 
> This patch removes the code that attempts to turn the SPI chip writeable.
> 
> Signed-off-by: Daniel Gutson <daniel.gutson@...ypsium.com>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>