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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2007-10-06 22:06:40 +0200 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2007-10-08 09:05:30 -0500 |
| commit | 082ea86fce463f8c2f1ce059cc959f21dc1ef24a (patch) | |
| tree | f0cb57dbe4c01cf44ed48347db0b555b36f83607 /arch/powerpc | |
| parent | 803dedb60849a8e4ec38e66ca41f51188c18a87d (diff) | |
| download | op-kernel-dev-082ea86fce463f8c2f1ce059cc959f21dc1ef24a.zip op-kernel-dev-082ea86fce463f8c2f1ce059cc959f21dc1ef24a.tar.gz | |
[POWERPC] spi: Support non-QE processors
On non-QE processors (mpc831x/mpc834x) the SPI clock is the SoC clock.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index be5e0bd..3ace747 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -1222,8 +1222,12 @@ int __init fsl_spi_init(struct spi_board_info *board_infos, unsigned int i; const u32 *sysclk; + /* SPI controller is either clocked from QE or SoC clock */ np = of_find_node_by_type(NULL, "qe"); if (!np) + np = of_find_node_by_type(NULL, "soc"); + + if (!np) return -ENODEV; sysclk = of_get_property(np, "bus-frequency", NULL); |
