msm: msm_bus: Use device names to distinguish between clocks

Populate the device name fields for bus clocks in the clock tables and
adapt a common clock naming scheme that is common for all bus and memory
clock across targets. Also replace the NULL device pointers passed to
clk_get() with either a real device pointer (where possible) or a call
to clk_get_sys().

All clocks used by the bus driver are now called "bus_clk", "bus_a_clk",
"mem_clk", "mem_a_clk, or (for 8660 only) "smi_clk" and "smi_a_clk".

clk_get() is used for all bus clocks since they have Linux devices
associated with them. Memories do not, so clk_get_sys() is used for them
for now.

Change-Id: Ie6fccf8d966b0a4bd587e4b20df4f5c6d19925b0
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-9615.c b/arch/arm/mach-msm/clock-9615.c
index 553fb4d..da8a1be 100644
--- a/arch/arm/mach-msm/clock-9615.c
+++ b/arch/arm/mach-msm/clock-9615.c
@@ -1631,16 +1631,18 @@
 
 	CLK_LOOKUP("measure",	measure_clk.c,	"debug"),
 
-	CLK_LOOKUP("cfpb_clk",		cfpb_clk.c,	NULL),
-	CLK_LOOKUP("cfpb_a_clk",	cfpb_a_clk.c,	NULL),
+	CLK_LOOKUP("bus_clk",		sfab_clk.c,		"msm_sys_fab"),
+	CLK_LOOKUP("bus_a_clk",		sfab_a_clk.c,		"msm_sys_fab"),
+	CLK_LOOKUP("mem_clk",		ebi1_msmbus_clk.c,	"msm_bus"),
+	CLK_LOOKUP("mem_a_clk",		ebi1_a_clk.c,		"msm_bus"),
+
+	CLK_LOOKUP("bus_clk",		sfpb_clk.c,	NULL),
+	CLK_LOOKUP("bus_a_clk",		sfpb_a_clk.c,	NULL),
+	CLK_LOOKUP("bus_clk",		cfpb_clk.c,	NULL),
+	CLK_LOOKUP("bus_a_clk",		cfpb_a_clk.c,	NULL),
+	CLK_LOOKUP("ebi1_clk",		ebi1_clk.c,	NULL),
 	CLK_LOOKUP("dfab_clk",		dfab_clk.c,	NULL),
 	CLK_LOOKUP("dfab_a_clk",	dfab_a_clk.c,	NULL),
-	CLK_LOOKUP("ebi1_clk",		ebi1_clk.c,	NULL),
-	CLK_LOOKUP("ebi1_a_clk",	ebi1_a_clk.c,	NULL),
-	CLK_LOOKUP("sfab_clk",		sfab_clk.c,	NULL),
-	CLK_LOOKUP("sfab_a_clk",	sfab_a_clk.c,	NULL),
-	CLK_LOOKUP("sfpb_clk",		sfpb_clk.c,	NULL),
-	CLK_LOOKUP("sfpb_a_clk",	sfpb_a_clk.c,	NULL),
 
 	CLK_LOOKUP("core_clk",		gp0_clk.c,	NULL),
 	CLK_LOOKUP("core_clk",		gp1_clk.c,	NULL),
@@ -1703,7 +1705,6 @@
 	CLK_LOOKUP("bus_clk",		dfab_sdc2_clk.c,	"msm_sdcc.2"),
 	CLK_LOOKUP("dfab_clk",		dfab_sps_clk.c,		"msm_sps"),
 	CLK_LOOKUP("bus_clk",		dfab_bam_dmux_clk.c,	"BAM_RMNT"),
-	CLK_LOOKUP("ebi1_msmbus_clk",	ebi1_msmbus_clk.c, NULL),
 	CLK_LOOKUP("mem_clk",		ebi1_adm_clk.c, "msm_dmov"),
 
 	CLK_LOOKUP("iface_clk",		ce1_p_clk.c,		"qce.0"),