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-rw-r--r--arch/avr32/Kconfig4
-rw-r--r--arch/avr32/include/asm/atomic.h54
-rw-r--r--arch/avr32/include/asm/pgalloc.h6
-rw-r--r--arch/avr32/kernel/process.c4
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c16
-rw-r--r--arch/avr32/mm/fault.c2
6 files changed, 66 insertions, 20 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index b6878eb64884..7e75d45e20cd 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -4,6 +4,7 @@ config AVR32
# that we usually don't need on AVR32.
select EXPERT
select HAVE_CLK
+ select HAVE_EXIT_THREAD
select HAVE_OPROFILE
select HAVE_KPROBES
select VIRT_TO_BUS
@@ -17,6 +18,7 @@ config AVR32
select GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
+ select HAVE_NMI
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
@@ -74,7 +76,7 @@ config PLATFORM_AT32AP
select SUBARCH_AVR32B
select MMU
select PERFORMANCE_COUNTERS
- select ARCH_REQUIRE_GPIOLIB
+ select GPIOLIB
select GENERIC_ALLOCATOR
select HAVE_FB_ATMEL
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index d74fd8ce980a..3d5ce38a6f0b 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -41,21 +41,49 @@ static inline int __atomic_##op##_return(int i, atomic_t *v) \
return result; \
}
+#define ATOMIC_FETCH_OP(op, asm_op, asm_con) \
+static inline int __atomic_fetch_##op(int i, atomic_t *v) \
+{ \
+ int result, val; \
+ \
+ asm volatile( \
+ "/* atomic_fetch_" #op " */\n" \
+ "1: ssrf 5\n" \
+ " ld.w %0, %3\n" \
+ " mov %1, %0\n" \
+ " " #asm_op " %1, %4\n" \
+ " stcond %2, %1\n" \
+ " brne 1b" \
+ : "=&r" (result), "=&r" (val), "=o" (v->counter) \
+ : "m" (v->counter), #asm_con (i) \
+ : "cc"); \
+ \
+ return result; \
+}
+
ATOMIC_OP_RETURN(sub, sub, rKs21)
ATOMIC_OP_RETURN(add, add, r)
+ATOMIC_FETCH_OP (sub, sub, rKs21)
+ATOMIC_FETCH_OP (add, add, r)
-#define ATOMIC_OP(op, asm_op) \
+#define ATOMIC_OPS(op, asm_op) \
ATOMIC_OP_RETURN(op, asm_op, r) \
static inline void atomic_##op(int i, atomic_t *v) \
{ \
(void)__atomic_##op##_return(i, v); \
+} \
+ATOMIC_FETCH_OP(op, asm_op, r) \
+static inline int atomic_fetch_##op(int i, atomic_t *v) \
+{ \
+ return __atomic_fetch_##op(i, v); \
}
-ATOMIC_OP(and, and)
-ATOMIC_OP(or, or)
-ATOMIC_OP(xor, eor)
+ATOMIC_OPS(and, and)
+ATOMIC_OPS(or, or)
+ATOMIC_OPS(xor, eor)
-#undef ATOMIC_OP
+#undef ATOMIC_OPS
+#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
/*
@@ -87,6 +115,14 @@ static inline int atomic_add_return(int i, atomic_t *v)
return __atomic_add_return(i, v);
}
+static inline int atomic_fetch_add(int i, atomic_t *v)
+{
+ if (IS_21BIT_CONST(i))
+ return __atomic_fetch_sub(-i, v);
+
+ return __atomic_fetch_add(i, v);
+}
+
/*
* atomic_sub_return - subtract the atomic variable
* @i: integer value to subtract
@@ -102,6 +138,14 @@ static inline int atomic_sub_return(int i, atomic_t *v)
return __atomic_add_return(-i, v);
}
+static inline int atomic_fetch_sub(int i, atomic_t *v)
+{
+ if (IS_21BIT_CONST(i))
+ return __atomic_fetch_sub(i, v);
+
+ return __atomic_fetch_add(-i, v);
+}
+
/*
* __atomic_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
diff --git a/arch/avr32/include/asm/pgalloc.h b/arch/avr32/include/asm/pgalloc.h
index 1aba19d68c5e..db039cb368be 100644
--- a/arch/avr32/include/asm/pgalloc.h
+++ b/arch/avr32/include/asm/pgalloc.h
@@ -43,7 +43,7 @@ static inline void pgd_ctor(void *x)
*/
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor);
+ return quicklist_alloc(QUICK_PGD, GFP_KERNEL, pgd_ctor);
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
@@ -54,7 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- return quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
+ return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
@@ -63,7 +63,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
struct page *page;
void *pg;
- pg = quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
+ pg = quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
if (!pg)
return NULL;
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 42a53e740a7e..68e5b9dac059 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -62,9 +62,9 @@ void machine_restart(char *cmd)
/*
* Free current thread data structures etc
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *tsk)
{
- ocd_disable(current);
+ ocd_disable(tsk);
}
void flush_thread(void)
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index bf445aa48282..00d6dcc1d9b6 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1365,8 +1365,8 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
slave->dma_dev = &dw_dmac0_device.dev;
slave->src_id = 0;
slave->dst_id = 1;
- slave->src_master = 1;
- slave->dst_master = 0;
+ slave->m_master = 1;
+ slave->p_master = 0;
data->dma_slave = slave;
data->dma_filter = at32_mci_dma_filter;
@@ -2061,16 +2061,16 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
if (flags & AC97C_CAPTURE) {
rx_dws->dma_dev = &dw_dmac0_device.dev;
rx_dws->src_id = 3;
- rx_dws->src_master = 0;
- rx_dws->dst_master = 1;
+ rx_dws->m_master = 0;
+ rx_dws->p_master = 1;
}
/* Check if DMA slave interface for playback should be configured. */
if (flags & AC97C_PLAYBACK) {
tx_dws->dma_dev = &dw_dmac0_device.dev;
tx_dws->dst_id = 4;
- tx_dws->src_master = 0;
- tx_dws->dst_master = 1;
+ tx_dws->m_master = 0;
+ tx_dws->p_master = 1;
}
if (platform_device_add_data(pdev, data,
@@ -2141,8 +2141,8 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
dws->dma_dev = &dw_dmac0_device.dev;
dws->dst_id = 2;
- dws->src_master = 0;
- dws->dst_master = 1;
+ dws->m_master = 0;
+ dws->p_master = 1;
if (platform_device_add_data(pdev, data,
sizeof(struct atmel_abdac_pdata)))
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index c03533937a9f..a4b7edac8f10 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -134,7 +134,7 @@ good_area:
* sure we exit gracefully rather than endlessly redo the
* fault.
*/
- fault = handle_mm_fault(mm, vma, address, flags);
+ fault = handle_mm_fault(vma, address, flags);
if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
return;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.