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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-04 16:09:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-04 16:09:01 -0800
commitfc76be434d90bcd57a0ea6b93a2e66a3fec4b664 (patch)
tree83fbf1e2bfb35b84e63f7a5a0b18d661bd080622 /arch/arm/vfp/vfpmodule.c
parent9d82d5efafb033a761b5e6eb720f5bbba5c0813b (diff)
parent4aba098c8d64329f0c4b24d12e1dc5398dd41a75 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: Fix wrong register in proc-arm6_7.S data abort handler ARM: 5909/1: ARM: Correct the FPSCR bits setting when raising exceptions ARM: 5904/1: ARM: Always generate the IT instruction when compiling for Thumb-2 ARM: 5907/1: ARM: Fix the reset on the RealView PBX Development board mx35: add a missing comma in a pad definition mx25: make the FEC AHB clk secondary of the IPG mx25: fix time accounting mx25: properly initialize clocks mx25: remove unused mx25_clocks_init() argument i.MX25: implement secondary clocks for uarts and fec i.MX25: Allow secondary clocks in DEFINE_CLOCK ARM: MX3: Fixed typo in declared enum type name. MXC: Add AUDMUXv2 register decode to debugfs mx31ads: Provide an IRQ range to the WM835x on the 1133-EV1 module mx31ads: Provide a name for EXPIO interrupt chip mx31ads: Allow enable/disable of switchable supplies
Diffstat (limited to 'arch/arm/vfp/vfpmodule.c')
-rw-r--r--arch/arm/vfp/vfpmodule.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index f60a5400a25..a63c4be99b3 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -197,10 +197,13 @@ static void vfp_raise_exceptions(u32 exceptions, u32 inst, u32 fpscr, struct pt_
}
/*
- * Update the FPSCR with the additional exception flags.
+ * If any of the status flags are set, update the FPSCR.
* Comparison instructions always return at least one of
* these flags set.
*/
+ if (exceptions & (FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V))
+ fpscr &= ~(FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V);
+
fpscr |= exceptions;
fmxr(FPSCR, fpscr);