[PATCH 14/14] ARM: kirkwood: use devicetree to init sata_mv
From: arnd@arndb.de (Arnd Bergmann)
Date: 2012-03-07 18:40:09
Also in:
linux-devicetree
On Wednesday 07 March 2012, Jason Cooper wrote:
quoted hunk
@@ -504,6 +504,16 @@ static int __init kirkwood_clock_gate(void) kirkwood_clk_ctrl |= CGC_USB0; of_node_put(np); } + + np = of_find_compatible_node(NULL, NULL, "mrvl,orion-sata"); + if (np && of_device_is_available(np)) { + int nr_ports; + kirkwood_clk_ctrl |= CGC_SATA0; + of_property_read_u32(np, "nr-ports", &nr_ports); + if (nr_ports > 1) + kirkwood_clk_ctrl |= CGC_SATA1; + of_node_put(np); + } #endif /* For SATA: first shutdown the phy */
Is it guaranteed that it's always the first port that gets used if there is only one? If not, this might turn on the wrong one. Arnd