[RT][3.10.81-rt88] Build error in 'setup_clkevents' with 3.10.81-rt88 and vanilla kernel 3.10.81

From: Sreejith N
Date: Thu Jun 25 2015 - 07:36:55 EST


Getting build error with 3.10.81-rt88 and vanilla kernel 3.10.81 in below line,
./drivers/clocksource/tcb_clksrc.c:195: timer_clock = clk32k_divisor_idx;

Below kernel config enabled:
CONFIG_ATMEL_TCLIB=y
CONFIG_ATMEL_TCB_CLKSRC=y
CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0
CONFIG_GENERIC_CLOCKEVENTS=y

Compiler: arm-none-linux-gnueabi-gcc (Sourcery CodeBench Lite
2014.05-29) 4.8.3 20140320 (prerelease)

Kernel booting is not successful.
[ 0.109375] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.109375] ehci-atmel: EHCI Atmel driver
[ 0.109375] atmel-ehci 700000.ehci: EHCI Host Controller
[ 0.109375] atmel-ehci 700000.ehci: new USB bus registered,
assigned bus number 1
[ 0.109375] atmel-ehci 700000.ehci: irq 26, io mem 0x00700000


Thanks,
Sreejith

Below patch fixed the compiler error:
diff -uNr linux-3.10.81-rt-orig/drivers/clocksource/tcb_clksrc.c
linux-3.10.81-rt-mine/drivers/clocksource/tcb_clksrc.c
--- linux-3.10.81-rt-orig/drivers/clocksource/tcb_clksrc.c 2015-06-25
12:01:00.274877048 +0530
+++ linux-3.10.81-rt-mine/drivers/clocksource/tcb_clksrc.c 2015-06-25
11:58:10.190868730 +0530
@@ -192,7 +192,7 @@
clkevt.clk = t2_clk;
tc_irqaction.dev_id = &clkevt;

- timer_clock = clk32k_divisor_idx;
+ timer_clock = divisor_idx;

clkevt.clkevt.cpumask = cpumask_of(0);
--
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