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authorTakashi Iwai <tiwai@suse.de>2012-10-25 21:20:36 +0200
committerTakashi Iwai <tiwai@suse.de>2012-10-25 21:20:36 +0200
commitc64064ce9376a404e0888ca4a2985c8a4c16cec3 (patch)
treef34d3b84ca970fdb381dad9a195c1367ce5d10f4 /arch/mips
parent21b3de881b38a84002c07b1b4bfb91892644e83f (diff)
parent456ba5a7802e58eccb5aa9751b3ab515ef99b9ca (diff)
Merge tag 'asoc-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.7 A couple of driver fixes, one that improves the interoperability of WM8994 with controllers that are sensitive to extra BCLK cycles and some build break fixes for ux500.
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/Kbuild1
-rw-r--r--arch/mips/include/asm/delay.h6
-rw-r--r--arch/mips/include/asm/pgtable-64.h15
-rw-r--r--arch/mips/jz4740/serial.h3
-rw-r--r--arch/mips/kernel/smp-cmp.c2
-rw-r--r--arch/mips/lib/delay.c6
-rw-r--r--arch/mips/lib/dump_tlb.c4
-rw-r--r--arch/mips/mm/tlb-r4k.c1
-rw-r--r--arch/mips/mm/tlbex.c56
9 files changed, 69 insertions, 25 deletions
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index e69de29bb2d..533053d12ce 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -0,0 +1 @@
+# MIPS headers
diff --git a/arch/mips/include/asm/delay.h b/arch/mips/include/asm/delay.h
index e7cd78277c2..dc0a5f77a35 100644
--- a/arch/mips/include/asm/delay.h
+++ b/arch/mips/include/asm/delay.h
@@ -13,9 +13,9 @@
#include <linux/param.h>
-extern void __delay(unsigned int loops);
-extern void __ndelay(unsigned int ns);
-extern void __udelay(unsigned int us);
+extern void __delay(unsigned long loops);
+extern void __ndelay(unsigned long ns);
+extern void __udelay(unsigned long us);
#define ndelay(ns) __ndelay(ns)
#define udelay(us) __udelay(us)
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index c26e1825007..f5b521d5a67 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -9,6 +9,7 @@
#ifndef _ASM_PGTABLE_64_H
#define _ASM_PGTABLE_64_H
+#include <linux/compiler.h>
#include <linux/linkage.h>
#include <asm/addrspace.h>
@@ -172,7 +173,19 @@ static inline int pmd_none(pmd_t pmd)
return pmd_val(pmd) == (unsigned long) invalid_pte_table;
}
-#define pmd_bad(pmd) (pmd_val(pmd) & ~PAGE_MASK)
+static inline int pmd_bad(pmd_t pmd)
+{
+#ifdef CONFIG_HUGETLB_PAGE
+ /* pmd_huge(pmd) but inline */
+ if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
+ return 0;
+#endif
+
+ if (unlikely(pmd_val(pmd) & ~PAGE_MASK))
+ return 1;
+
+ return 0;
+}
static inline int pmd_present(pmd_t pmd)
{
diff --git a/arch/mips/jz4740/serial.h b/arch/mips/jz4740/serial.h
index b9fe3ade028..8eb715bb1ea 100644
--- a/arch/mips/jz4740/serial.h
+++ b/arch/mips/jz4740/serial.h
@@ -14,6 +14,9 @@
*/
#ifndef __MIPS_JZ4740_SERIAL_H__
+#define __MIPS_JZ4740_SERIAL_H__
+
+struct uart_port;
void jz4740_serial_out(struct uart_port *p, int offset, int value);
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index afc379ca375..06cd0c610f4 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -97,7 +97,7 @@ static void cmp_init_secondary(void)
/* Enable per-cpu interrupts: platform specific */
- c->core = (read_c0_ebase() >> 1) & 0xff;
+ c->core = (read_c0_ebase() >> 1) & 0x1ff;
#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_MIPS_MT_SMTC)
c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE;
#endif
diff --git a/arch/mips/lib/delay.c b/arch/mips/lib/delay.c
index 5995969e8c4..dc81ca8dc0d 100644
--- a/arch/mips/lib/delay.c
+++ b/arch/mips/lib/delay.c
@@ -15,13 +15,17 @@
#include <asm/compiler.h>
#include <asm/war.h>
-inline void __delay(unsigned int loops)
+void __delay(unsigned long loops)
{
__asm__ __volatile__ (
" .set noreorder \n"
" .align 3 \n"
"1: bnez %0, 1b \n"
+#if __SIZEOF_LONG__ == 4
" subu %0, 1 \n"
+#else
+ " dsubu %0, 1 \n"
+#endif
" .set reorder \n"
: "=r" (loops)
: "0" (loops));
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 3f69725556a..a99c1d3fc56 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -50,8 +50,9 @@ static void dump_tlb(int first, int last)
{
unsigned long s_entryhi, entryhi, asid;
unsigned long long entrylo0, entrylo1;
- unsigned int s_index, pagemask, c0, c1, i;
+ unsigned int s_index, s_pagemask, pagemask, c0, c1, i;
+ s_pagemask = read_c0_pagemask();
s_entryhi = read_c0_entryhi();
s_index = read_c0_index();
asid = s_entryhi & 0xff;
@@ -103,6 +104,7 @@ static void dump_tlb(int first, int last)
write_c0_entryhi(s_entryhi);
write_c0_index(s_index);
+ write_c0_pagemask(s_pagemask);
}
void dump_tlb_all(void)
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 87b9cfcc30f..4b9b935a070 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -320,6 +320,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
tlb_write_random();
else
tlb_write_indexed();
+ tlbw_use_hazard();
write_c0_pagemask(PM_DEFAULT_MASK);
} else
#endif
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 658a520364c..2833dcb67b5 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -148,8 +148,8 @@ enum label_id {
label_leave,
label_vmalloc,
label_vmalloc_done,
- label_tlbw_hazard,
- label_split,
+ label_tlbw_hazard_0,
+ label_split = label_tlbw_hazard_0 + 8,
label_tlbl_goaround1,
label_tlbl_goaround2,
label_nopage_tlbl,
@@ -167,7 +167,7 @@ UASM_L_LA(_second_part)
UASM_L_LA(_leave)
UASM_L_LA(_vmalloc)
UASM_L_LA(_vmalloc_done)
-UASM_L_LA(_tlbw_hazard)
+/* _tlbw_hazard_x is handled differently. */
UASM_L_LA(_split)
UASM_L_LA(_tlbl_goaround1)
UASM_L_LA(_tlbl_goaround2)
@@ -181,6 +181,30 @@ UASM_L_LA(_large_segbits_fault)
UASM_L_LA(_tlb_huge_update)
#endif
+static int __cpuinitdata hazard_instance;
+
+static void uasm_bgezl_hazard(u32 **p, struct uasm_reloc **r, int instance)
+{
+ switch (instance) {
+ case 0 ... 7:
+ uasm_il_bgezl(p, r, 0, label_tlbw_hazard_0 + instance);
+ return;
+ default:
+ BUG();
+ }
+}
+
+static void uasm_bgezl_label(struct uasm_label **l, u32 **p, int instance)
+{
+ switch (instance) {
+ case 0 ... 7:
+ uasm_build_label(l, *p, label_tlbw_hazard_0 + instance);
+ break;
+ default:
+ BUG();
+ }
+}
+
/*
* For debug purposes.
*/
@@ -478,21 +502,28 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l,
* This branch uses up a mtc0 hazard nop slot and saves
* two nops after the tlbw instruction.
*/
- uasm_il_bgezl(p, r, 0, label_tlbw_hazard);
+ uasm_bgezl_hazard(p, r, hazard_instance);
tlbw(p);
- uasm_l_tlbw_hazard(l, *p);
+ uasm_bgezl_label(l, p, hazard_instance);
+ hazard_instance++;
uasm_i_nop(p);
break;
case CPU_R4600:
case CPU_R4700:
- case CPU_R5000:
- case CPU_R5000A:
uasm_i_nop(p);
tlbw(p);
uasm_i_nop(p);
break;
+ case CPU_R5000:
+ case CPU_R5000A:
+ case CPU_NEVADA:
+ uasm_i_nop(p); /* QED specifies 2 nops hazard */
+ uasm_i_nop(p); /* QED specifies 2 nops hazard */
+ tlbw(p);
+ break;
+
case CPU_R4300:
case CPU_5KC:
case CPU_TX49XX:
@@ -526,17 +557,6 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l,
tlbw(p);
break;
- case CPU_NEVADA:
- uasm_i_nop(p); /* QED specifies 2 nops hazard */
- /*
- * This branch uses up a mtc0 hazard nop slot and saves
- * a nop after the tlbw instruction.
- */
- uasm_il_bgezl(p, r, 0, label_tlbw_hazard);
- tlbw(p);
- uasm_l_tlbw_hazard(l, *p);
- break;
-
case CPU_RM7000:
uasm_i_nop(p);
uasm_i_nop(p);