From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Sat, 6 Oct 2007 20:06:40 +0000 (+0200)
Subject: [POWERPC] spi: Support non-QE processors
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=082ea86fce463f8c2f1ce059cc959f21dc1ef24a;p=linux-edison.git

[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>
---

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index be5e0bda231..3ace7474809 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);