From mboxrd@z Thu Jan  1 00:00:00 1970
From: khilman@kernel.org (Kevin Hilman)
Date: Thu, 09 Oct 2014 13:58:47 -0700
Subject: [PATCH] ARM: dts: Disable smc91x on n900 until bootloader
 dependency is removed
In-Reply-To: <20141009175357.GG10014@atomide.com> (Tony Lindgren's message of
 "Thu, 9 Oct 2014 10:53:57 -0700")
References: <20141009175357.GG10014@atomide.com>
Message-ID: <7hy4spm03c.fsf@deeprootsystems.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Tony Lindgren <tony@atomide.com> writes:

> I added smc91x support but turns out we currently do not set the
> smc91x timings in gpmc.c but rely on the bootloader timings. This
> produces the following error unless the smc91x GPMC timings are
> initialized by the bootloader:
>
> Unhandled fault: external abort on non-linefetch (0x1008) at 0xd080630e
> ...
> [<c04067fc>] (smc_drv_probe) from [<c038e9c4>] (platform_drv_probe+0x2c/0x5c)
> [<c038e9c4>] (platform_drv_probe) from [<c038d450>] (driver_probe_device+0x104/0x22c)
> [<c038d450>] (driver_probe_device) from [<c038d60c>] (__driver_attach+0x94/0x98)
> [<c038d60c>] (__driver_attach) from [<c038bc3c>] (bus_for_each_dev+0x54/0x88)
> [<c038bc3c>] (bus_for_each_dev) from [<c038cc3c>] (bus_add_driver+0xd8/0x1d8)
> [<c038cc3c>] (bus_add_driver) from [<c038dd74>] (driver_register+0x78/0xf4)
> [<c038dd74>] (driver_register) from [<c0008924>] (do_one_initcall+0x80/0x1c0)
> [<c0008924>] (do_one_initcall) from [<c0852d9c>] (kernel_init_freeable+0x1b8/0x28c)
> [<c0852d9c>] (kernel_init_freeable) from [<c05ce86c>] (kernel_init+0x8/0xec)
> [<c05ce86c>] (kernel_init) from [<c000e728>] (ret_from_fork+0x14/0x2c)
>
> Let's fix the issue by disabling the smc91x module for now until we
> have sorted out the issues in gpmc.c.
>
> Reported-by: Kevin Hilman <khilman@linaro.org>
> Signed-off-by: Tony Lindgren <tony@atomide.com>

Tested-by: Kevin Hilman <khilman@linaro.org>