ARM: pxa: fix pxa3xx-u2d crash when ULPI not used
authorMarek Vasut <marek.vasut@gmail.com>
Fri, 3 Sep 2010 20:35:46 +0000 (22:35 +0200)
committerEric Miao <eric.y.miao@gmail.com>
Fri, 8 Oct 2010 08:21:18 +0000 (16:21 +0800)
commita754aea25e804d0635d1871558bee5024605ff92
tree95664f969460f0c622b149a42b74c6963b67b427
parent884646a5721e547d302390d8a483e9b75a31b017
ARM: pxa: fix pxa3xx-u2d crash when ULPI not used

In case the pxa3xx-u2d driver isn't used, probing of ohci-pxa27x will cause an
ugly kernel crash (NULL pointer dereference in pxa3xx_u2d_start_hc(), because
struct u2d is NULL and clk_enable() call will crash the kernel, trying to access
it).

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
arch/arm/mach-pxa/pxa3xx-ulpi.c