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7c168ed898
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Fabio Estevam 7c168ed898 ARM: imx6sx: Set PLL2 as parent of QSPI clocks 
The default qspi2_clk_sel field of register CCM_CS2CDR contains '110' which is
marked as 'reserved', so we can't rely on the default value.

Provide a proper parent for QSPI clocks to avoid a kernel oops:

[    1.037920] Division by zero in kernel.
[    1.041807] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc7-next-20141204-00002-g5aa23e1 #2143
[    1.050967] Hardware name: Freescale i.MX6 SoloX (Device Tree)
[    1.056853] Backtrace:
[    1.059360] [<80011ea0>] (dump_backtrace) from [<8001203c>] (show_stack+0x18/0x1c)
[    1.066982]  r6:00000000 r5:00000000 r4:00000000 r3:00000000
[    1.072754] [<80012024>] (show_stack) from [<806b7100>] (dump_stack+0x88/0xa4)
[    1.080038] [<806b7078>] (dump_stack) from [<80011d20>] (__div0+0x18/0x20)
[    1.086958]  r5:be018500 r4:be017c00
[    1.090600] [<80011d08>] (__div0) from [<802aa418>] (Ldiv0+0x8/0x10)
[    1.097012] [<80504fbc>] (clk_divider_set_rate) from [<80503ddc>] (clk_change_rate+0x14c/0x17c)
[    1.105759]  r7:00000000 r6:00000000 r5:be018500 r4:00000000
[    1.111516] [<80503c90>] (clk_change_rate) from [<80503ea0>] (clk_set_rate+0x94/0x98)
[    1.119391]  r8:be7e0368 r7:00000000 r6:be11a000 r5:be018500 r4:00000000 r3:00000000
[    1.127290] [<80503e0c>] (clk_set_rate) from [<80410558>] (fsl_qspi_probe+0x23c/0x75c)
[    1.135260]  r5:be11a010 r4:be350010
[    1.138900] [<8041031c>] (fsl_qspi_probe) from [<80385a18>] (platform_drv_probe+0x50/0xac)

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2015-01-05 21:16:31 +08:00
..
alpha arch: Cleanup read_barrier_depends() and comments 2014-12-11 21:15:05 -05:00
arc Minor updates for ARC for 3.19 2014-12-18 16:26:41 -08:00
arm ARM: imx6sx: Set PLL2 as parent of QSPI clocks 2015-01-05 21:16:31 +08:00
arm64 kernel: Provide READ_ONCE and ASSIGN_ONCE 2014-12-20 16:48:59 -08:00
avr32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
blackfin TTY/Serial driver patches for 3.19-rc1 2014-12-14 15:23:32 -08:00
c6x net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
cris CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARD 2014-12-20 00:06:13 +01:00
frv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
hexagon Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel 2014-12-19 17:57:51 -08:00
ia64 __get_cpu_var removed from rest of tree, drop reference from comments in arch/ia64 2014-12-19 17:07:27 -08:00
m32r Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
m68k Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
metag arch: Add lightweight memory barriers dma_rmb() and dma_wmb() 2014-12-11 21:15:06 -05:00
microblaze Microblaze patches for 3.19-rc1 2014-12-17 09:54:05 -08:00
mips kernel: Provide READ_ONCE and ASSIGN_ONCE 2014-12-20 16:48:59 -08:00
mn10300 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
nios2 nios2/uaccess: fix sparse errors 2014-12-17 13:53:41 +08:00
openrisc net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
parisc parisc: percpu: update comments referring to __get_cpu_var 2014-12-13 12:42:53 -08:00
powerpc CONFIG_PM_RUNTIME elimination for 3.19-rc1 2014-12-20 13:37:44 -08:00
s390 kernel: Provide READ_ONCE and ASSIGN_ONCE 2014-12-20 16:48:59 -08:00
score net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
sh PM: Eliminate CONFIG_PM_RUNTIME 2014-12-19 22:55:06 +01:00
sparc sparc32: destroy_context() and switch_mm() needs to disable interrupts. 2014-12-18 12:47:54 -05:00
tile Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile 2014-12-16 13:54:16 -08:00
um TTY/Serial driver patches for 3.19-rc1 2014-12-14 15:23:32 -08:00
unicore32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
x86 kernel: Provide READ_ONCE and ASSIGN_ONCE 2014-12-20 16:48:59 -08:00
xtensa Xtensa fixes for 3.19: 2014-12-16 14:08:53 -08:00
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