aboutsummaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-at91/pm.c8
-rw-r--r--arch/arm/mach-gemini/include/mach/system.h2
-rw-r--r--arch/arm/mach-mmp/include/mach/system.h2
-rw-r--r--arch/arm/mach-omap2/Makefile2
-rw-r--r--arch/arm/mach-realview/localtimer.c1
-rw-r--r--arch/arm/mm/abort-ev6.S4
-rw-r--r--arch/arm/mm/cache-feroceon-l2.c9
-rw-r--r--arch/arm/vfp/entry.S23
-rw-r--r--arch/arm/vfp/vfphw.S12
-rw-r--r--arch/arm/vfp/vfpmodule.c6
10 files changed, 52 insertions, 17 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 7ac812dc055..e26c4fe61fa 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -198,17 +198,17 @@ static int at91_pm_verify_clocks(void)
/* USB must not be using PLLB */
if (cpu_is_at91rm9200()) {
if ((scsr & (AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP)) != 0) {
- pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+ pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
}
} else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20()) {
if ((scsr & (AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP)) != 0) {
- pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+ pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
}
} else if (cpu_is_at91cap9()) {
if ((scsr & AT91CAP9_PMC_UHP) != 0) {
- pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
+ pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
return 0;
}
}
@@ -223,7 +223,7 @@ static int at91_pm_verify_clocks(void)
css = at91_sys_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS;
if (css != AT91_PMC_CSS_SLOW) {
- pr_debug("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css);
+ pr_err("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css);
return 0;
}
}
diff --git a/arch/arm/mach-gemini/include/mach/system.h b/arch/arm/mach-gemini/include/mach/system.h
index bbbd72767a0..4d9c1f87247 100644
--- a/arch/arm/mach-gemini/include/mach/system.h
+++ b/arch/arm/mach-gemini/include/mach/system.h
@@ -28,7 +28,7 @@ static inline void arch_idle(void)
cpu_do_idle();
}
-static inline void arch_reset(char mode)
+static inline void arch_reset(char mode, const char *cmd)
{
__raw_writel(RESET_GLOBAL | RESET_CPU1,
IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_RESET);
diff --git a/arch/arm/mach-mmp/include/mach/system.h b/arch/arm/mach-mmp/include/mach/system.h
index 001edfefec1..4f5b0e0ce6c 100644
--- a/arch/arm/mach-mmp/include/mach/system.h
+++ b/arch/arm/mach-mmp/include/mach/system.h
@@ -14,7 +14,7 @@ static inline void arch_idle(void)
cpu_do_idle();
}
-static inline void arch_reset(char mode)
+static inline void arch_reset(char mode, const char *cmd)
{
cpu_reset(0);
}
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index a2c3fcc27a2..c49d9bfa3ab 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -47,6 +47,8 @@ obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-peripherals.o \
+ mmc-twl4030.o
+
# Platform specific device init code
ifeq ($(CONFIG_USB_MUSB_SOC),y)
obj-y += usb-musb.o
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
index 67d6d9cc68b..d0d39adf640 100644
--- a/arch/arm/mach-realview/localtimer.c
+++ b/arch/arm/mach-realview/localtimer.c
@@ -191,6 +191,7 @@ void __cpuinit local_timer_setup(void)
clk->name = "dummy_timer";
clk->features = CLOCK_EVT_FEAT_DUMMY;
clk->rating = 200;
+ clk->mult = 1;
clk->set_mode = dummy_timer_set_mode;
clk->broadcast = smp_timer_broadcast;
clk->cpumask = cpumask_of(cpu);
diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S
index 94077fbd96b..6f7e70907e4 100644
--- a/arch/arm/mm/abort-ev6.S
+++ b/arch/arm/mm/abort-ev6.S
@@ -29,10 +29,10 @@ ENTRY(v6_early_abort)
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR
/*
- * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR.
+ * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR (erratum 326103).
* The test below covers all the write situations, including Java bytecodes
*/
- bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR
+ bic r1, r1, #1 << 11 @ clear bit 11 of FSR
tst r3, #PSR_J_BIT @ Java?
movne pc, lr
do_thumb_abort
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index d6dd83826f8..6e77c042d8e 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -115,6 +115,10 @@ static inline void l2_inv_pa_range(unsigned long start, unsigned long end)
raw_local_irq_restore(flags);
}
+static inline void l2_inv_all(void)
+{
+ __asm__("mcr p15, 1, %0, c15, c11, 0" : : "r" (0));
+}
/*
* Linux primitives.
@@ -254,9 +258,7 @@ static void __init enable_dcache(void)
static void __init __invalidate_icache(void)
{
- int dummy;
-
- __asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : "=r" (dummy));
+ __asm__("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
}
static int __init invalidate_and_disable_icache(void)
@@ -321,6 +323,7 @@ static void __init enable_l2(void)
d = flush_and_disable_dcache();
i = invalidate_and_disable_icache();
+ l2_inv_all();
write_extra_features(u | 0x00400000);
if (i)
enable_icache();
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index ba592a9e6fb..a2bed62aec2 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -15,13 +15,16 @@
* r10 = thread_info structure
* lr = failure return
*/
-#include <linux/linkage.h>
-#include <linux/init.h>
-#include <asm/asm-offsets.h>
-#include <asm/assembler.h>
+#include <asm/thread_info.h>
#include <asm/vfpmacros.h>
+#include "../kernel/entry-header.S"
ENTRY(do_vfp)
+#ifdef CONFIG_PREEMPT
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ add r11, r4, #1 @ increment it
+ str r11, [r10, #TI_PREEMPT]
+#endif
enable_irq
ldr r4, .LCvfp
ldr r11, [r10, #TI_CPU] @ CPU number
@@ -30,6 +33,12 @@ ENTRY(do_vfp)
ENDPROC(do_vfp)
ENTRY(vfp_null_entry)
+#ifdef CONFIG_PREEMPT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+ str r11, [r10, #TI_PREEMPT]
+#endif
mov pc, lr
ENDPROC(vfp_null_entry)
@@ -41,6 +50,12 @@ ENDPROC(vfp_null_entry)
__INIT
ENTRY(vfp_testing_entry)
+#ifdef CONFIG_PREEMPT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+ str r11, [r10, #TI_PREEMPT]
+#endif
ldr r0, VFP_arch_address
str r5, [r0] @ known non-zero value
mov pc, r9 @ we have handled the fault
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index a5a4e57763c..83c4e384b16 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -137,6 +137,12 @@ check_for_exception:
VFPFMXR FPEXC, r1 @ restore FPEXC last
sub r2, r2, #4
str r2, [sp, #S_PC] @ retry the instruction
+#ifdef CONFIG_PREEMPT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+ str r11, [r10, #TI_PREEMPT]
+#endif
mov pc, r9 @ we think we have handled things
@@ -155,6 +161,12 @@ look_for_VFP_exceptions:
@ not recognised by VFP
DBGSTR "not VFP"
+#ifdef CONFIG_PREEMPT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+ str r11, [r10, #TI_PREEMPT]
+#endif
mov pc, lr
process_exception:
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 75457b30d81..01599c4ef72 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -266,7 +266,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
* on VFP subarch 1.
*/
vfp_raise_exceptions(VFP_EXCEPTION_ERROR, trigger, fpscr, regs);
- return;
+ goto exit;
}
/*
@@ -297,7 +297,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
* the FPEXC.FP2V bit is valid only if FPEXC.EX is 1.
*/
if (fpexc ^ (FPEXC_EX | FPEXC_FP2V))
- return;
+ goto exit;
/*
* The barrier() here prevents fpinst2 being read
@@ -310,6 +310,8 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs)
exceptions = vfp_emulate_instruction(trigger, orig_fpscr, regs);
if (exceptions)
vfp_raise_exceptions(exceptions, trigger, orig_fpscr, regs);
+ exit:
+ preempt_enable();
}
static void vfp_enable(void *unused)
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-16 06:06:23 +0000