diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-01-13 03:58:37 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-01-13 04:08:50 -0500 |
commit | 61405fea92c42d072d9b8bd189689f1502a838af (patch) | |
tree | 013ea3e7ed71f4114004d5852d40b6e89e128f76 /arch/powerpc | |
parent | 9c443dfdd31eddea6cbe6ee0ca469fbcc4e1dc3b (diff) | |
parent | 1703f2c321a8a531c393e137a82602e16c6061cb (diff) |
Merge branch 'perf/urgent' into perf/core
Merge reason: queue up dependent patch, update to -rc4
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc')
42 files changed, 782 insertions, 181 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index bb2465bcb327..826a30a00f59 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile | |||
@@ -20,7 +20,7 @@ | |||
20 | all: $(obj)/zImage | 20 | all: $(obj)/zImage |
21 | 21 | ||
22 | BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ | 22 | BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ |
23 | -fno-strict-aliasing -Os -msoft-float -pipe \ | 23 | -fno-strict-aliasing -Os -msoft-float -pipe -D__KERNEL__\ |
24 | -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ | 24 | -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ |
25 | -isystem $(shell $(CROSS32CC) -print-file-name=include) | 25 | -isystem $(shell $(CROSS32CC) -print-file-name=include) |
26 | BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc | 26 | BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc |
@@ -34,6 +34,8 @@ BOOTCFLAGS += -fno-stack-protector | |||
34 | endif | 34 | endif |
35 | 35 | ||
36 | BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) | 36 | BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) |
37 | BOOTCFLAGS += -include include/linux/autoconf.h -Iarch/powerpc/include | ||
38 | BOOTCFLAGS += -Iinclude | ||
37 | 39 | ||
38 | DTS_FLAGS ?= -p 1024 | 40 | DTS_FLAGS ?= -p 1024 |
39 | 41 | ||
diff --git a/arch/powerpc/boot/dts/katmai.dts b/arch/powerpc/boot/dts/katmai.dts index 51eb6ed5da2d..8f345de960cd 100644 --- a/arch/powerpc/boot/dts/katmai.dts +++ b/arch/powerpc/boot/dts/katmai.dts | |||
@@ -108,12 +108,19 @@ | |||
108 | dcr-reg = <0x00c 0x002>; | 108 | dcr-reg = <0x00c 0x002>; |
109 | }; | 109 | }; |
110 | 110 | ||
111 | MQ0: mq { | ||
112 | compatible = "ibm,mq-440spe"; | ||
113 | dcr-reg = <0x040 0x020>; | ||
114 | }; | ||
115 | |||
111 | plb { | 116 | plb { |
112 | compatible = "ibm,plb-440spe", "ibm,plb-440gp", "ibm,plb4"; | 117 | compatible = "ibm,plb-440spe", "ibm,plb-440gp", "ibm,plb4"; |
113 | #address-cells = <2>; | 118 | #address-cells = <2>; |
114 | #size-cells = <1>; | 119 | #size-cells = <1>; |
115 | /* addr-child addr-parent size */ | 120 | /* addr-child addr-parent size */ |
116 | ranges = <0x4 0xe0000000 0x4 0xe0000000 0x20000000 | 121 | ranges = <0x4 0x00100000 0x4 0x00100000 0x00001000 |
122 | 0x4 0x00200000 0x4 0x00200000 0x00000400 | ||
123 | 0x4 0xe0000000 0x4 0xe0000000 0x20000000 | ||
117 | 0xc 0x00000000 0xc 0x00000000 0x20000000 | 124 | 0xc 0x00000000 0xc 0x00000000 0x20000000 |
118 | 0xd 0x00000000 0xd 0x00000000 0x80000000 | 125 | 0xd 0x00000000 0xd 0x00000000 0x80000000 |
119 | 0xd 0x80000000 0xd 0x80000000 0x80000000 | 126 | 0xd 0x80000000 0xd 0x80000000 0x80000000 |
@@ -400,6 +407,49 @@ | |||
400 | 0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */ | 407 | 0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */ |
401 | 0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>; | 408 | 0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>; |
402 | }; | 409 | }; |
410 | |||
411 | I2O: i2o@400100000 { | ||
412 | compatible = "ibm,i2o-440spe"; | ||
413 | reg = <0x00000004 0x00100000 0x100>; | ||
414 | dcr-reg = <0x060 0x020>; | ||
415 | }; | ||
416 | |||
417 | DMA0: dma0@400100100 { | ||
418 | compatible = "ibm,dma-440spe"; | ||
419 | cell-index = <0>; | ||
420 | reg = <0x00000004 0x00100100 0x100>; | ||
421 | dcr-reg = <0x060 0x020>; | ||
422 | interrupt-parent = <&DMA0>; | ||
423 | interrupts = <0 1>; | ||
424 | #interrupt-cells = <1>; | ||
425 | #address-cells = <0>; | ||
426 | #size-cells = <0>; | ||
427 | interrupt-map = < | ||
428 | 0 &UIC0 0x14 4 | ||
429 | 1 &UIC1 0x16 4>; | ||
430 | }; | ||
431 | |||
432 | DMA1: dma1@400100200 { | ||
433 | compatible = "ibm,dma-440spe"; | ||
434 | cell-index = <1>; | ||
435 | reg = <0x00000004 0x00100200 0x100>; | ||
436 | dcr-reg = <0x060 0x020>; | ||
437 | interrupt-parent = <&DMA1>; | ||
438 | interrupts = <0 1>; | ||
439 | #interrupt-cells = <1>; | ||
440 | #address-cells = <0>; | ||
441 | #size-cells = <0>; | ||
442 | interrupt-map = < | ||
443 | 0 &UIC0 0x16 4 | ||
444 | 1 &UIC1 0x16 4>; | ||
445 | }; | ||
446 | |||
447 | xor-accel@400200000 { | ||
448 | compatible = "amcc,xor-accelerator"; | ||
449 | reg = <0x00000004 0x00200000 0x400>; | ||
450 | interrupt-parent = <&UIC1>; | ||
451 | interrupts = <0x1f 4>; | ||
452 | }; | ||
403 | }; | 453 | }; |
404 | 454 | ||
405 | chosen { | 455 | chosen { |
diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts index 32e10f588c1d..8a3a4f3ef831 100644 --- a/arch/powerpc/boot/dts/mpc8315erdb.dts +++ b/arch/powerpc/boot/dts/mpc8315erdb.dts | |||
@@ -204,6 +204,7 @@ | |||
204 | interrupt-parent = <&ipic>; | 204 | interrupt-parent = <&ipic>; |
205 | tbi-handle = <&tbi0>; | 205 | tbi-handle = <&tbi0>; |
206 | phy-handle = < &phy0 >; | 206 | phy-handle = < &phy0 >; |
207 | fsl,magic-packet; | ||
207 | 208 | ||
208 | mdio@520 { | 209 | mdio@520 { |
209 | #address-cells = <1>; | 210 | #address-cells = <1>; |
@@ -246,6 +247,7 @@ | |||
246 | interrupt-parent = <&ipic>; | 247 | interrupt-parent = <&ipic>; |
247 | tbi-handle = <&tbi1>; | 248 | tbi-handle = <&tbi1>; |
248 | phy-handle = < &phy1 >; | 249 | phy-handle = < &phy1 >; |
250 | fsl,magic-packet; | ||
249 | 251 | ||
250 | mdio@520 { | 252 | mdio@520 { |
251 | #address-cells = <1>; | 253 | #address-cells = <1>; |
@@ -309,6 +311,22 @@ | |||
309 | interrupt-parent = <&ipic>; | 311 | interrupt-parent = <&ipic>; |
310 | }; | 312 | }; |
311 | 313 | ||
314 | gtm1: timer@500 { | ||
315 | compatible = "fsl,mpc8315-gtm", "fsl,gtm"; | ||
316 | reg = <0x500 0x100>; | ||
317 | interrupts = <90 8 78 8 84 8 72 8>; | ||
318 | interrupt-parent = <&ipic>; | ||
319 | clock-frequency = <133333333>; | ||
320 | }; | ||
321 | |||
322 | timer@600 { | ||
323 | compatible = "fsl,mpc8315-gtm", "fsl,gtm"; | ||
324 | reg = <0x600 0x100>; | ||
325 | interrupts = <91 8 79 8 85 8 73 8>; | ||
326 | interrupt-parent = <&ipic>; | ||
327 | clock-frequency = <133333333>; | ||
328 | }; | ||
329 | |||
312 | /* IPIC | 330 | /* IPIC |
313 | * interrupts cell = <intr #, sense> | 331 | * interrupts cell = <intr #, sense> |
314 | * sense values match linux IORESOURCE_IRQ_* defines: | 332 | * sense values match linux IORESOURCE_IRQ_* defines: |
@@ -337,6 +355,15 @@ | |||
337 | 0x59 0x8>; | 355 | 0x59 0x8>; |
338 | interrupt-parent = < &ipic >; | 356 | interrupt-parent = < &ipic >; |
339 | }; | 357 | }; |
358 | |||
359 | pmc: power@b00 { | ||
360 | compatible = "fsl,mpc8315-pmc", "fsl,mpc8313-pmc", | ||
361 | "fsl,mpc8349-pmc"; | ||
362 | reg = <0xb00 0x100 0xa00 0x100>; | ||
363 | interrupts = <80 8>; | ||
364 | interrupt-parent = <&ipic>; | ||
365 | fsl,mpc8313-wakeup-timer = <>m1>; | ||
366 | }; | ||
340 | }; | 367 | }; |
341 | 368 | ||
342 | pci0: pci@e0008500 { | 369 | pci0: pci@e0008500 { |
diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index feeeb7f9d609..b53d1df11e2d 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts | |||
@@ -63,6 +63,24 @@ | |||
63 | reg = <0x200 0x100>; | 63 | reg = <0x200 0x100>; |
64 | }; | 64 | }; |
65 | 65 | ||
66 | gpio1: gpio-controller@c00 { | ||
67 | #gpio-cells = <2>; | ||
68 | compatible = "fsl,mpc8349-gpio"; | ||
69 | reg = <0xc00 0x100>; | ||
70 | interrupts = <74 0x8>; | ||
71 | interrupt-parent = <&ipic>; | ||
72 | gpio-controller; | ||
73 | }; | ||
74 | |||
75 | gpio2: gpio-controller@d00 { | ||
76 | #gpio-cells = <2>; | ||
77 | compatible = "fsl,mpc8349-gpio"; | ||
78 | reg = <0xd00 0x100>; | ||
79 | interrupts = <75 0x8>; | ||
80 | interrupt-parent = <&ipic>; | ||
81 | gpio-controller; | ||
82 | }; | ||
83 | |||
66 | i2c@3000 { | 84 | i2c@3000 { |
67 | #address-cells = <1>; | 85 | #address-cells = <1>; |
68 | #size-cells = <0>; | 86 | #size-cells = <0>; |
@@ -72,6 +90,12 @@ | |||
72 | interrupts = <14 0x8>; | 90 | interrupts = <14 0x8>; |
73 | interrupt-parent = <&ipic>; | 91 | interrupt-parent = <&ipic>; |
74 | dfsrr; | 92 | dfsrr; |
93 | |||
94 | eeprom: at24@50 { | ||
95 | compatible = "st-micro,24c256"; | ||
96 | reg = <0x50>; | ||
97 | }; | ||
98 | |||
75 | }; | 99 | }; |
76 | 100 | ||
77 | i2c@3100 { | 101 | i2c@3100 { |
@@ -91,6 +115,25 @@ | |||
91 | interrupt-parent = <&ipic>; | 115 | interrupt-parent = <&ipic>; |
92 | }; | 116 | }; |
93 | 117 | ||
118 | pcf1: iexp@38 { | ||
119 | #gpio-cells = <2>; | ||
120 | compatible = "ti,pcf8574a"; | ||
121 | reg = <0x38>; | ||
122 | gpio-controller; | ||
123 | }; | ||
124 | |||
125 | pcf2: iexp@39 { | ||
126 | #gpio-cells = <2>; | ||
127 | compatible = "ti,pcf8574a"; | ||
128 | reg = <0x39>; | ||
129 | gpio-controller; | ||
130 | }; | ||
131 | |||
132 | spd: at24@51 { | ||
133 | compatible = "at24,spd"; | ||
134 | reg = <0x51>; | ||
135 | }; | ||
136 | |||
94 | mcu_pio: mcu@a { | 137 | mcu_pio: mcu@a { |
95 | #gpio-cells = <2>; | 138 | #gpio-cells = <2>; |
96 | compatible = "fsl,mc9s08qg8-mpc8349emitx", | 139 | compatible = "fsl,mc9s08qg8-mpc8349emitx", |
@@ -275,6 +318,24 @@ | |||
275 | reg = <0x700 0x100>; | 318 | reg = <0x700 0x100>; |
276 | device_type = "ipic"; | 319 | device_type = "ipic"; |
277 | }; | 320 | }; |
321 | |||
322 | gpio-leds { | ||
323 | compatible = "gpio-leds"; | ||
324 | |||
325 | green { | ||
326 | label = "Green"; | ||
327 | gpios = <&pcf1 0 1>; | ||
328 | linux,default-trigger = "heartbeat"; | ||
329 | }; | ||
330 | |||
331 | yellow { | ||
332 | label = "Yellow"; | ||
333 | gpios = <&pcf1 1 1>; | ||
334 | /* linux,default-trigger = "heartbeat"; */ | ||
335 | default-state = "on"; | ||
336 | }; | ||
337 | }; | ||
338 | |||
278 | }; | 339 | }; |
279 | 340 | ||
280 | pci0: pci@e0008500 { | 341 | pci0: pci@e0008500 { |
@@ -331,7 +392,26 @@ | |||
331 | compatible = "fsl,mpc8349e-localbus", | 392 | compatible = "fsl,mpc8349e-localbus", |
332 | "fsl,pq2pro-localbus"; | 393 | "fsl,pq2pro-localbus"; |
333 | reg = <0xe0005000 0xd8>; | 394 | reg = <0xe0005000 0xd8>; |
334 | ranges = <0x3 0x0 0xf0000000 0x210>; | 395 | ranges = <0x0 0x0 0xfe000000 0x1000000 /* flash */ |
396 | 0x1 0x0 0xf8000000 0x20000 /* VSC 7385 */ | ||
397 | 0x2 0x0 0xf9000000 0x200000 /* exp slot */ | ||
398 | 0x3 0x0 0xf0000000 0x210>; /* CF slot */ | ||
399 | |||
400 | flash@0,0 { | ||
401 | compatible = "cfi-flash"; | ||
402 | reg = <0x0 0x0 0x800000>; | ||
403 | bank-width = <2>; | ||
404 | device-width = <1>; | ||
405 | }; | ||
406 | |||
407 | flash@0,800000 { | ||
408 | #address-cells = <1>; | ||
409 | #size-cells = <1>; | ||
410 | compatible = "cfi-flash"; | ||
411 | reg = <0x0 0x800000 0x800000>; | ||
412 | bank-width = <2>; | ||
413 | device-width = <1>; | ||
414 | }; | ||
335 | 415 | ||
336 | pata@3,0 { | 416 | pata@3,0 { |
337 | compatible = "fsl,mpc8349emitx-pata", "ata-generic"; | 417 | compatible = "fsl,mpc8349emitx-pata", "ata-generic"; |
diff --git a/arch/powerpc/boot/dts/warp.dts b/arch/powerpc/boot/dts/warp.dts index 31605ee4afb6..e576ee85c42f 100644 --- a/arch/powerpc/boot/dts/warp.dts +++ b/arch/powerpc/boot/dts/warp.dts | |||
@@ -146,7 +146,7 @@ | |||
146 | 146 | ||
147 | fpga@2,4000 { | 147 | fpga@2,4000 { |
148 | compatible = "pika,fpga-sd"; | 148 | compatible = "pika,fpga-sd"; |
149 | reg = <0x00000002 0x00004000 0x00000A00>; | 149 | reg = <0x00000002 0x00004000 0x00004000>; |
150 | }; | 150 | }; |
151 | 151 | ||
152 | nor@0,0 { | 152 | nor@0,0 { |
diff --git a/arch/powerpc/boot/ugecon.c b/arch/powerpc/boot/ugecon.c index 50609ea6ddf8..8f2a6b311534 100644 --- a/arch/powerpc/boot/ugecon.c +++ b/arch/powerpc/boot/ugecon.c | |||
@@ -86,7 +86,7 @@ static void ug_putc(char ch) | |||
86 | 86 | ||
87 | while (!ug_is_txfifo_ready() && count--) | 87 | while (!ug_is_txfifo_ready() && count--) |
88 | barrier(); | 88 | barrier(); |
89 | if (count) | 89 | if (count >= 0) |
90 | ug_raw_putc(ch); | 90 | ug_raw_putc(ch); |
91 | } | 91 | } |
92 | 92 | ||
diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index fc905924c022..826a65d3f002 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig | |||
@@ -757,7 +757,7 @@ CONFIG_SUNGEM=y | |||
757 | # CONFIG_B44 is not set | 757 | # CONFIG_B44 is not set |
758 | # CONFIG_ATL2 is not set | 758 | # CONFIG_ATL2 is not set |
759 | CONFIG_NETDEV_1000=y | 759 | CONFIG_NETDEV_1000=y |
760 | CONFIG_ACENIC=y | 760 | CONFIG_ACENIC=m |
761 | CONFIG_ACENIC_OMIT_TIGON_I=y | 761 | CONFIG_ACENIC_OMIT_TIGON_I=y |
762 | # CONFIG_DL2K is not set | 762 | # CONFIG_DL2K is not set |
763 | CONFIG_E1000=y | 763 | CONFIG_E1000=y |
@@ -794,8 +794,8 @@ CONFIG_NETDEV_10000=y | |||
794 | # CONFIG_BNX2X is not set | 794 | # CONFIG_BNX2X is not set |
795 | # CONFIG_QLGE is not set | 795 | # CONFIG_QLGE is not set |
796 | # CONFIG_SFC is not set | 796 | # CONFIG_SFC is not set |
797 | CONFIG_TR=y | 797 | # CONFIG_TR is not set |
798 | CONFIG_IBMOL=y | 798 | # CONFIG_IBMOL is not set |
799 | # CONFIG_3C359 is not set | 799 | # CONFIG_3C359 is not set |
800 | # CONFIG_TMS380TR is not set | 800 | # CONFIG_TMS380TR is not set |
801 | 801 | ||
diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig index f925c555508e..76982c51a4c7 100644 --- a/arch/powerpc/configs/iseries_defconfig +++ b/arch/powerpc/configs/iseries_defconfig | |||
@@ -714,8 +714,8 @@ CONFIG_NETDEV_10000=y | |||
714 | # CONFIG_BNX2X is not set | 714 | # CONFIG_BNX2X is not set |
715 | # CONFIG_QLGE is not set | 715 | # CONFIG_QLGE is not set |
716 | # CONFIG_SFC is not set | 716 | # CONFIG_SFC is not set |
717 | CONFIG_TR=y | 717 | # CONFIG_TR is not set |
718 | CONFIG_IBMOL=y | 718 | # CONFIG_IBMOL is not set |
719 | # CONFIG_3C359 is not set | 719 | # CONFIG_3C359 is not set |
720 | # CONFIG_TMS380TR is not set | 720 | # CONFIG_TMS380TR is not set |
721 | 721 | ||
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 252401824575..7b3804a6e363 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig | |||
@@ -304,11 +304,11 @@ CONFIG_TICK_ONESHOT=y | |||
304 | CONFIG_NO_HZ=y | 304 | CONFIG_NO_HZ=y |
305 | CONFIG_HIGH_RES_TIMERS=y | 305 | CONFIG_HIGH_RES_TIMERS=y |
306 | CONFIG_GENERIC_CLOCKEVENTS_BUILD=y | 306 | CONFIG_GENERIC_CLOCKEVENTS_BUILD=y |
307 | # CONFIG_HZ_100 is not set | 307 | CONFIG_HZ_100=y |
308 | CONFIG_HZ_250=y | 308 | # CONFIG_HZ_250 is not set |
309 | # CONFIG_HZ_300 is not set | 309 | # CONFIG_HZ_300 is not set |
310 | # CONFIG_HZ_1000 is not set | 310 | # CONFIG_HZ_1000 is not set |
311 | CONFIG_HZ=250 | 311 | CONFIG_HZ=100 |
312 | CONFIG_SCHED_HRTICK=y | 312 | CONFIG_SCHED_HRTICK=y |
313 | CONFIG_PREEMPT_NONE=y | 313 | CONFIG_PREEMPT_NONE=y |
314 | # CONFIG_PREEMPT_VOLUNTARY is not set | 314 | # CONFIG_PREEMPT_VOLUNTARY is not set |
@@ -980,7 +980,7 @@ CONFIG_E100=y | |||
980 | # CONFIG_SC92031 is not set | 980 | # CONFIG_SC92031 is not set |
981 | # CONFIG_ATL2 is not set | 981 | # CONFIG_ATL2 is not set |
982 | CONFIG_NETDEV_1000=y | 982 | CONFIG_NETDEV_1000=y |
983 | CONFIG_ACENIC=y | 983 | CONFIG_ACENIC=m |
984 | CONFIG_ACENIC_OMIT_TIGON_I=y | 984 | CONFIG_ACENIC_OMIT_TIGON_I=y |
985 | # CONFIG_DL2K is not set | 985 | # CONFIG_DL2K is not set |
986 | CONFIG_E1000=y | 986 | CONFIG_E1000=y |
@@ -1023,8 +1023,8 @@ CONFIG_PASEMI_MAC=y | |||
1023 | # CONFIG_BNX2X is not set | 1023 | # CONFIG_BNX2X is not set |
1024 | # CONFIG_QLGE is not set | 1024 | # CONFIG_QLGE is not set |
1025 | # CONFIG_SFC is not set | 1025 | # CONFIG_SFC is not set |
1026 | CONFIG_TR=y | 1026 | # CONFIG_TR is not set |
1027 | CONFIG_IBMOL=y | 1027 | # CONFIG_IBMOL is not set |
1028 | # CONFIG_3C359 is not set | 1028 | # CONFIG_3C359 is not set |
1029 | # CONFIG_TMS380TR is not set | 1029 | # CONFIG_TMS380TR is not set |
1030 | 1030 | ||
@@ -1863,7 +1863,7 @@ CONFIG_HFSPLUS_FS=m | |||
1863 | # CONFIG_BEFS_FS is not set | 1863 | # CONFIG_BEFS_FS is not set |
1864 | # CONFIG_BFS_FS is not set | 1864 | # CONFIG_BFS_FS is not set |
1865 | # CONFIG_EFS_FS is not set | 1865 | # CONFIG_EFS_FS is not set |
1866 | CONFIG_CRAMFS=y | 1866 | CONFIG_CRAMFS=m |
1867 | # CONFIG_VXFS_FS is not set | 1867 | # CONFIG_VXFS_FS is not set |
1868 | # CONFIG_MINIX_FS is not set | 1868 | # CONFIG_MINIX_FS is not set |
1869 | # CONFIG_OMFS_FS is not set | 1869 | # CONFIG_OMFS_FS is not set |
diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig index 18af46036258..8195f1650cbf 100644 --- a/arch/powerpc/configs/ppc64e_defconfig +++ b/arch/powerpc/configs/ppc64e_defconfig | |||
@@ -1008,8 +1008,8 @@ CONFIG_IXGB=m | |||
1008 | # CONFIG_QLGE is not set | 1008 | # CONFIG_QLGE is not set |
1009 | # CONFIG_SFC is not set | 1009 | # CONFIG_SFC is not set |
1010 | # CONFIG_BE2NET is not set | 1010 | # CONFIG_BE2NET is not set |
1011 | CONFIG_TR=y | 1011 | # CONFIG_TR is not set |
1012 | CONFIG_IBMOL=y | 1012 | # CONFIG_IBMOL is not set |
1013 | # CONFIG_3C359 is not set | 1013 | # CONFIG_3C359 is not set |
1014 | # CONFIG_TMS380TR is not set | 1014 | # CONFIG_TMS380TR is not set |
1015 | CONFIG_WLAN=y | 1015 | CONFIG_WLAN=y |
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index c568329723b8..ca9ff9aad74a 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig | |||
@@ -230,11 +230,11 @@ CONFIG_TICK_ONESHOT=y | |||
230 | CONFIG_NO_HZ=y | 230 | CONFIG_NO_HZ=y |
231 | CONFIG_HIGH_RES_TIMERS=y | 231 | CONFIG_HIGH_RES_TIMERS=y |
232 | CONFIG_GENERIC_CLOCKEVENTS_BUILD=y | 232 | CONFIG_GENERIC_CLOCKEVENTS_BUILD=y |
233 | # CONFIG_HZ_100 is not set | 233 | CONFIG_HZ_100=y |
234 | CONFIG_HZ_250=y | 234 | # CONFIG_HZ_250 is not set |
235 | # CONFIG_HZ_300 is not set | 235 | # CONFIG_HZ_300 is not set |
236 | # CONFIG_HZ_1000 is not set | 236 | # CONFIG_HZ_1000 is not set |
237 | CONFIG_HZ=250 | 237 | CONFIG_HZ=100 |
238 | CONFIG_SCHED_HRTICK=y | 238 | CONFIG_SCHED_HRTICK=y |
239 | CONFIG_PREEMPT_NONE=y | 239 | CONFIG_PREEMPT_NONE=y |
240 | # CONFIG_PREEMPT_VOLUNTARY is not set | 240 | # CONFIG_PREEMPT_VOLUNTARY is not set |
@@ -796,7 +796,7 @@ CONFIG_E100=y | |||
796 | # CONFIG_NET_POCKET is not set | 796 | # CONFIG_NET_POCKET is not set |
797 | # CONFIG_ATL2 is not set | 797 | # CONFIG_ATL2 is not set |
798 | CONFIG_NETDEV_1000=y | 798 | CONFIG_NETDEV_1000=y |
799 | CONFIG_ACENIC=y | 799 | CONFIG_ACENIC=m |
800 | CONFIG_ACENIC_OMIT_TIGON_I=y | 800 | CONFIG_ACENIC_OMIT_TIGON_I=y |
801 | # CONFIG_DL2K is not set | 801 | # CONFIG_DL2K is not set |
802 | CONFIG_E1000=y | 802 | CONFIG_E1000=y |
@@ -834,8 +834,8 @@ CONFIG_S2IO=m | |||
834 | # CONFIG_BNX2X is not set | 834 | # CONFIG_BNX2X is not set |
835 | # CONFIG_QLGE is not set | 835 | # CONFIG_QLGE is not set |
836 | # CONFIG_SFC is not set | 836 | # CONFIG_SFC is not set |
837 | CONFIG_TR=y | 837 | # CONFIG_TR is not set |
838 | CONFIG_IBMOL=y | 838 | # CONFIG_IBMOL is not set |
839 | # CONFIG_3C359 is not set | 839 | # CONFIG_3C359 is not set |
840 | # CONFIG_TMS380TR is not set | 840 | # CONFIG_TMS380TR is not set |
841 | 841 | ||
@@ -1494,7 +1494,7 @@ CONFIG_CONFIGFS_FS=m | |||
1494 | # CONFIG_BEFS_FS is not set | 1494 | # CONFIG_BEFS_FS is not set |
1495 | # CONFIG_BFS_FS is not set | 1495 | # CONFIG_BFS_FS is not set |
1496 | # CONFIG_EFS_FS is not set | 1496 | # CONFIG_EFS_FS is not set |
1497 | CONFIG_CRAMFS=y | 1497 | CONFIG_CRAMFS=m |
1498 | # CONFIG_VXFS_FS is not set | 1498 | # CONFIG_VXFS_FS is not set |
1499 | # CONFIG_MINIX_FS is not set | 1499 | # CONFIG_MINIX_FS is not set |
1500 | # CONFIG_OMFS_FS is not set | 1500 | # CONFIG_OMFS_FS is not set |
diff --git a/arch/powerpc/include/asm/asm-offsets.h b/arch/powerpc/include/asm/asm-offsets.h new file mode 100644 index 000000000000..d370ee36a182 --- /dev/null +++ b/arch/powerpc/include/asm/asm-offsets.h | |||
@@ -0,0 +1 @@ | |||
#include <generated/asm-offsets.h> | |||
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index 64e1fdca233e..2c15212e1700 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h | |||
@@ -68,7 +68,7 @@ | |||
68 | _EMIT_BUG_ENTRY \ | 68 | _EMIT_BUG_ENTRY \ |
69 | : : "i" (__FILE__), "i" (__LINE__), \ | 69 | : : "i" (__FILE__), "i" (__LINE__), \ |
70 | "i" (0), "i" (sizeof(struct bug_entry))); \ | 70 | "i" (0), "i" (sizeof(struct bug_entry))); \ |
71 | for(;;) ; \ | 71 | unreachable(); \ |
72 | } while (0) | 72 | } while (0) |
73 | 73 | ||
74 | #define BUG_ON(x) do { \ | 74 | #define BUG_ON(x) do { \ |
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h index ea04632399d8..38762edb5e58 100644 --- a/arch/powerpc/include/asm/gpio.h +++ b/arch/powerpc/include/asm/gpio.h | |||
@@ -38,12 +38,9 @@ static inline int gpio_cansleep(unsigned int gpio) | |||
38 | return __gpio_cansleep(gpio); | 38 | return __gpio_cansleep(gpio); |
39 | } | 39 | } |
40 | 40 | ||
41 | /* | ||
42 | * Not implemented, yet. | ||
43 | */ | ||
44 | static inline int gpio_to_irq(unsigned int gpio) | 41 | static inline int gpio_to_irq(unsigned int gpio) |
45 | { | 42 | { |
46 | return -ENOSYS; | 43 | return __gpio_to_irq(gpio); |
47 | } | 44 | } |
48 | 45 | ||
49 | static inline int irq_to_gpio(unsigned int irq) | 46 | static inline int irq_to_gpio(unsigned int irq) |
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 3839839f83c7..b876e989220b 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c | |||
@@ -642,10 +642,14 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg, | |||
642 | */ | 642 | */ |
643 | static int emulate_vsx(unsigned char __user *addr, unsigned int reg, | 643 | static int emulate_vsx(unsigned char __user *addr, unsigned int reg, |
644 | unsigned int areg, struct pt_regs *regs, | 644 | unsigned int areg, struct pt_regs *regs, |
645 | unsigned int flags, unsigned int length) | 645 | unsigned int flags, unsigned int length, |
646 | unsigned int elsize) | ||
646 | { | 647 | { |
647 | char *ptr; | 648 | char *ptr; |
649 | unsigned long *lptr; | ||
648 | int ret = 0; | 650 | int ret = 0; |
651 | int sw = 0; | ||
652 | int i, j; | ||
649 | 653 | ||
650 | flush_vsx_to_thread(current); | 654 | flush_vsx_to_thread(current); |
651 | 655 | ||
@@ -654,19 +658,35 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg, | |||
654 | else | 658 | else |
655 | ptr = (char *) ¤t->thread.vr[reg - 32]; | 659 | ptr = (char *) ¤t->thread.vr[reg - 32]; |
656 | 660 | ||
657 | if (flags & ST) | 661 | lptr = (unsigned long *) ptr; |
658 | ret = __copy_to_user(addr, ptr, length); | 662 | |
659 | else { | 663 | if (flags & SW) |
660 | if (flags & SPLT){ | 664 | sw = elsize-1; |
661 | ret = __copy_from_user(ptr, addr, length); | 665 | |
662 | ptr += length; | 666 | for (j = 0; j < length; j += elsize) { |
667 | for (i = 0; i < elsize; ++i) { | ||
668 | if (flags & ST) | ||
669 | ret |= __put_user(ptr[i^sw], addr + i); | ||
670 | else | ||
671 | ret |= __get_user(ptr[i^sw], addr + i); | ||
663 | } | 672 | } |
664 | ret |= __copy_from_user(ptr, addr, length); | 673 | ptr += elsize; |
674 | addr += elsize; | ||
665 | } | 675 | } |
666 | if (flags & U) | 676 | |
667 | regs->gpr[areg] = regs->dar; | 677 | if (!ret) { |
668 | if (ret) | 678 | if (flags & U) |
679 | regs->gpr[areg] = regs->dar; | ||
680 | |||
681 | /* Splat load copies the same data to top and bottom 8 bytes */ | ||
682 | if (flags & SPLT) | ||
683 | lptr[1] = lptr[0]; | ||
684 | /* For 8 byte loads, zero the top 8 bytes */ | ||
685 | else if (!(flags & ST) && (8 == length)) | ||
686 | lptr[1] = 0; | ||
687 | } else | ||
669 | return -EFAULT; | 688 | return -EFAULT; |
689 | |||
670 | return 1; | 690 | return 1; |
671 | } | 691 | } |
672 | #endif | 692 | #endif |
@@ -767,16 +787,25 @@ int fix_alignment(struct pt_regs *regs) | |||
767 | 787 | ||
768 | #ifdef CONFIG_VSX | 788 | #ifdef CONFIG_VSX |
769 | if ((instruction & 0xfc00003e) == 0x7c000018) { | 789 | if ((instruction & 0xfc00003e) == 0x7c000018) { |
770 | /* Additional register addressing bit (64 VSX vs 32 FPR/GPR */ | 790 | unsigned int elsize; |
791 | |||
792 | /* Additional register addressing bit (64 VSX vs 32 FPR/GPR) */ | ||
771 | reg |= (instruction & 0x1) << 5; | 793 | reg |= (instruction & 0x1) << 5; |
772 | /* Simple inline decoder instead of a table */ | 794 | /* Simple inline decoder instead of a table */ |
795 | /* VSX has only 8 and 16 byte memory accesses */ | ||
796 | nb = 8; | ||
773 | if (instruction & 0x200) | 797 | if (instruction & 0x200) |
774 | nb = 16; | 798 | nb = 16; |
775 | else if (instruction & 0x080) | 799 | |
776 | nb = 8; | 800 | /* Vector stores in little-endian mode swap individual |
777 | else | 801 | elements, so process them separately */ |
778 | nb = 4; | 802 | elsize = 4; |
803 | if (instruction & 0x80) | ||
804 | elsize = 8; | ||
805 | |||
779 | flags = 0; | 806 | flags = 0; |
807 | if (regs->msr & MSR_LE) | ||
808 | flags |= SW; | ||
780 | if (instruction & 0x100) | 809 | if (instruction & 0x100) |
781 | flags |= ST; | 810 | flags |= ST; |
782 | if (instruction & 0x040) | 811 | if (instruction & 0x040) |
@@ -787,7 +816,7 @@ int fix_alignment(struct pt_regs *regs) | |||
787 | nb = 8; | 816 | nb = 8; |
788 | } | 817 | } |
789 | PPC_WARN_ALIGNMENT(vsx, regs); | 818 | PPC_WARN_ALIGNMENT(vsx, regs); |
790 | return emulate_vsx(addr, reg, areg, regs, flags, nb); | 819 | return emulate_vsx(addr, reg, areg, regs, flags, nb, elsize); |
791 | } | 820 | } |
792 | #endif | 821 | #endif |
793 | /* A size of 0 indicates an instruction we don't support, with | 822 | /* A size of 0 indicates an instruction we don't support, with |
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index e8dfdbd9327a..cadbed679fbb 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c | |||
@@ -1107,6 +1107,12 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus) | |||
1107 | list_for_each_entry(dev, &bus->devices, bus_list) { | 1107 | list_for_each_entry(dev, &bus->devices, bus_list) { |
1108 | struct dev_archdata *sd = &dev->dev.archdata; | 1108 | struct dev_archdata *sd = &dev->dev.archdata; |
1109 | 1109 | ||
1110 | /* Cardbus can call us to add new devices to a bus, so ignore | ||
1111 | * those who are already fully discovered | ||
1112 | */ | ||
1113 | if (dev->is_added) | ||
1114 | continue; | ||
1115 | |||
1110 | /* Setup OF node pointer in archdata */ | 1116 | /* Setup OF node pointer in archdata */ |
1111 | sd->of_node = pci_device_to_OF_node(dev); | 1117 | sd->of_node = pci_device_to_OF_node(dev); |
1112 | 1118 | ||
@@ -1147,6 +1153,13 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) | |||
1147 | } | 1153 | } |
1148 | EXPORT_SYMBOL(pcibios_fixup_bus); | 1154 | EXPORT_SYMBOL(pcibios_fixup_bus); |
1149 | 1155 | ||
1156 | void __devinit pci_fixup_cardbus(struct pci_bus *bus) | ||
1157 | { | ||
1158 | /* Now fixup devices on that bus */ | ||
1159 | pcibios_setup_bus_devices(bus); | ||
1160 | } | ||
1161 | |||
1162 | |||
1150 | static int skip_isa_ioresource_align(struct pci_dev *dev) | 1163 | static int skip_isa_ioresource_align(struct pci_dev *dev) |
1151 | { | 1164 | { |
1152 | if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) && | 1165 | if ((ppc_pci_flags & PPC_PCI_CAN_SKIP_ISA_ALIGN) && |
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c index 5598f88f142e..e4beeb371a73 100644 --- a/arch/powerpc/kvm/book3s_64_mmu.c +++ b/arch/powerpc/kvm/book3s_64_mmu.c | |||
@@ -390,6 +390,26 @@ static void kvmppc_mmu_book3s_64_mtsrin(struct kvm_vcpu *vcpu, u32 srnum, | |||
390 | { | 390 | { |
391 | u64 rb = 0, rs = 0; | 391 | u64 rb = 0, rs = 0; |
392 | 392 | ||
393 | /* | ||
394 | * According to Book3 2.01 mtsrin is implemented as: | ||
395 | * | ||
396 | * The SLB entry specified by (RB)32:35 is loaded from register | ||
397 | * RS, as follows. | ||
398 | * | ||
399 | * SLBE Bit Source SLB Field | ||
400 | * | ||
401 | * 0:31 0x0000_0000 ESID-0:31 | ||
402 | * 32:35 (RB)32:35 ESID-32:35 | ||
403 | * 36 0b1 V | ||
404 | * 37:61 0x00_0000|| 0b0 VSID-0:24 | ||
405 | * 62:88 (RS)37:63 VSID-25:51 | ||
406 | * 89:91 (RS)33:35 Ks Kp N | ||
407 | * 92 (RS)36 L ((RS)36 must be 0b0) | ||
408 | * 93 0b0 C | ||
409 | */ | ||
410 | |||
411 | dprintk("KVM MMU: mtsrin(0x%x, 0x%lx)\n", srnum, value); | ||
412 | |||
393 | /* ESID = srnum */ | 413 | /* ESID = srnum */ |
394 | rb |= (srnum & 0xf) << 28; | 414 | rb |= (srnum & 0xf) << 28; |
395 | /* Set the valid bit */ | 415 | /* Set the valid bit */ |
@@ -400,7 +420,7 @@ static void kvmppc_mmu_book3s_64_mtsrin(struct kvm_vcpu *vcpu, u32 srnum, | |||
400 | /* VSID = VSID */ | 420 | /* VSID = VSID */ |
401 | rs |= (value & 0xfffffff) << 12; | 421 | rs |= (value & 0xfffffff) << 12; |
402 | /* flags = flags */ | 422 | /* flags = flags */ |
403 | rs |= ((value >> 27) & 0xf) << 9; | 423 | rs |= ((value >> 28) & 0x7) << 9; |
404 | 424 | ||
405 | kvmppc_mmu_book3s_64_slbmte(vcpu, rs, rb); | 425 | kvmppc_mmu_book3s_64_slbmte(vcpu, rs, rb); |
406 | } | 426 | } |
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 50f867d657df..3ecdcec0a39e 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c | |||
@@ -340,7 +340,7 @@ static int __init htab_dt_scan_page_sizes(unsigned long node, | |||
340 | else | 340 | else |
341 | def->tlbiel = 0; | 341 | def->tlbiel = 0; |
342 | 342 | ||
343 | DBG(" %d: shift=%02x, sllp=%04x, avpnm=%08x, " | 343 | DBG(" %d: shift=%02x, sllp=%04lx, avpnm=%08lx, " |
344 | "tlbiel=%d, penc=%d\n", | 344 | "tlbiel=%d, penc=%d\n", |
345 | idx, shift, def->sllp, def->avpnm, def->tlbiel, | 345 | idx, shift, def->sllp, def->avpnm, def->tlbiel, |
346 | def->penc); | 346 | def->penc); |
@@ -663,7 +663,7 @@ static void __init htab_initialize(void) | |||
663 | base = (unsigned long)__va(lmb.memory.region[i].base); | 663 | base = (unsigned long)__va(lmb.memory.region[i].base); |
664 | size = lmb.memory.region[i].size; | 664 | size = lmb.memory.region[i].size; |
665 | 665 | ||
666 | DBG("creating mapping for region: %lx..%lx (prot: %x)\n", | 666 | DBG("creating mapping for region: %lx..%lx (prot: %lx)\n", |
667 | base, size, prot); | 667 | base, size, prot); |
668 | 668 | ||
669 | #ifdef CONFIG_U3_DART | 669 | #ifdef CONFIG_U3_DART |
@@ -879,7 +879,7 @@ static inline int subpage_protection(struct mm_struct *mm, unsigned long ea) | |||
879 | */ | 879 | */ |
880 | int hash_page(unsigned long ea, unsigned long access, unsigned long trap) | 880 | int hash_page(unsigned long ea, unsigned long access, unsigned long trap) |
881 | { | 881 | { |
882 | void *pgdir; | 882 | pgd_t *pgdir; |
883 | unsigned long vsid; | 883 | unsigned long vsid; |
884 | struct mm_struct *mm; | 884 | struct mm_struct *mm; |
885 | pte_t *ptep; | 885 | pte_t *ptep; |
@@ -1025,7 +1025,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) | |||
1025 | else | 1025 | else |
1026 | #endif /* CONFIG_PPC_HAS_HASH_64K */ | 1026 | #endif /* CONFIG_PPC_HAS_HASH_64K */ |
1027 | { | 1027 | { |
1028 | int spp = subpage_protection(pgdir, ea); | 1028 | int spp = subpage_protection(mm, ea); |
1029 | if (access & spp) | 1029 | if (access & spp) |
1030 | rc = -2; | 1030 | rc = -2; |
1031 | else | 1031 | else |
@@ -1115,7 +1115,7 @@ void flush_hash_page(unsigned long va, real_pte_t pte, int psize, int ssize, | |||
1115 | { | 1115 | { |
1116 | unsigned long hash, index, shift, hidx, slot; | 1116 | unsigned long hash, index, shift, hidx, slot; |
1117 | 1117 | ||
1118 | DBG_LOW("flush_hash_page(va=%016x)\n", va); | 1118 | DBG_LOW("flush_hash_page(va=%016lx)\n", va); |
1119 | pte_iterate_hashed_subpages(pte, psize, va, index, shift) { | 1119 | pte_iterate_hashed_subpages(pte, psize, va, index, shift) { |
1120 | hash = hpt_hash(va, shift, ssize); | 1120 | hash = hpt_hash(va, shift, ssize); |
1121 | hidx = __rpte_to_hidx(pte, index); | 1121 | hidx = __rpte_to_hidx(pte, index); |
@@ -1123,7 +1123,7 @@ void flush_hash_page(unsigned long va, real_pte_t pte, int psize, int ssize, | |||
1123 | hash = ~hash; | 1123 | hash = ~hash; |
1124 | slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; | 1124 | slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; |
1125 | slot += hidx & _PTEIDX_GROUP_IX; | 1125 | slot += hidx & _PTEIDX_GROUP_IX; |
1126 | DBG_LOW(" sub %d: hash=%x, hidx=%x\n", index, slot, hidx); | 1126 | DBG_LOW(" sub %ld: hash=%lx, hidx=%lx\n", index, slot, hidx); |
1127 | ppc_md.hpte_invalidate(slot, va, psize, ssize, local); | 1127 | ppc_md.hpte_invalidate(slot, va, psize, ssize, local); |
1128 | } pte_iterate_hashed_end(); | 1128 | } pte_iterate_hashed_end(); |
1129 | } | 1129 | } |
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index be4f34c30a0b..1044a634b6d0 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c | |||
@@ -353,7 +353,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, | |||
353 | read_lock(&tasklist_lock); | 353 | read_lock(&tasklist_lock); |
354 | for_each_process(p) { | 354 | for_each_process(p) { |
355 | if (p->mm) | 355 | if (p->mm) |
356 | cpu_mask_clear_cpu(cpu, mm_cpumask(p->mm)); | 356 | cpumask_clear_cpu(cpu, mm_cpumask(p->mm)); |
357 | } | 357 | } |
358 | read_unlock(&tasklist_lock); | 358 | read_unlock(&tasklist_lock); |
359 | break; | 359 | break; |
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index 177e4038b43c..573b3bd1c45b 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c | |||
@@ -382,7 +382,7 @@ static int __change_page_attr(struct page *page, pgprot_t prot) | |||
382 | return 0; | 382 | return 0; |
383 | if (!get_pteptr(&init_mm, address, &kpte, &kpmd)) | 383 | if (!get_pteptr(&init_mm, address, &kpte, &kpmd)) |
384 | return -EINVAL; | 384 | return -EINVAL; |
385 | set_pte_at(&init_mm, address, kpte, mk_pte(page, prot)); | 385 | __set_pte_at(&init_mm, address, kpte, mk_pte(page, prot), 0); |
386 | wmb(); | 386 | wmb(); |
387 | #ifdef CONFIG_PPC_STD_MMU | 387 | #ifdef CONFIG_PPC_STD_MMU |
388 | flush_hash_pages(0, address, pmd_val(*kpmd), 1); | 388 | flush_hash_pages(0, address, pmd_val(*kpmd), 1); |
diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index bcc69e1f77c1..45c0cb9b67e6 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c | |||
@@ -10,7 +10,7 @@ | |||
10 | */ | 10 | */ |
11 | 11 | ||
12 | #include <linux/init.h> | 12 | #include <linux/init.h> |
13 | #include <linux/utsrelease.h> | 13 | #include <generated/utsrelease.h> |
14 | #include <linux/pci.h> | 14 | #include <linux/pci.h> |
15 | #include <linux/of.h> | 15 | #include <linux/of.h> |
16 | #include <asm/prom.h> | 16 | #include <asm/prom.h> |
diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index d306f07b9aa1..43805348b81e 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c | |||
@@ -32,6 +32,7 @@ | |||
32 | #define PMCCR1_NEXT_STATE 0x0C /* Next state for power management */ | 32 | #define PMCCR1_NEXT_STATE 0x0C /* Next state for power management */ |
33 | #define PMCCR1_NEXT_STATE_SHIFT 2 | 33 | #define PMCCR1_NEXT_STATE_SHIFT 2 |
34 | #define PMCCR1_CURR_STATE 0x03 /* Current state for power management*/ | 34 | #define PMCCR1_CURR_STATE 0x03 /* Current state for power management*/ |
35 | #define IMMR_SYSCR_OFFSET 0x100 | ||
35 | #define IMMR_RCW_OFFSET 0x900 | 36 | #define IMMR_RCW_OFFSET 0x900 |
36 | #define RCW_PCI_HOST 0x80000000 | 37 | #define RCW_PCI_HOST 0x80000000 |
37 | 38 | ||
@@ -78,6 +79,22 @@ struct mpc83xx_clock { | |||
78 | u32 sccr; | 79 | u32 sccr; |
79 | }; | 80 | }; |
80 | 81 | ||
82 | struct mpc83xx_syscr { | ||
83 | __be32 sgprl; | ||
84 | __be32 sgprh; | ||
85 | __be32 spridr; | ||
86 | __be32 :32; | ||
87 | __be32 spcr; | ||
88 | __be32 sicrl; | ||
89 | __be32 sicrh; | ||
90 | }; | ||
91 | |||
92 | struct mpc83xx_saved { | ||
93 | u32 sicrl; | ||
94 | u32 sicrh; | ||
95 | u32 sccr; | ||
96 | }; | ||
97 | |||
81 | struct pmc_type { | 98 | struct pmc_type { |
82 | int has_deep_sleep; | 99 | int has_deep_sleep; |
83 | }; | 100 | }; |
@@ -87,6 +104,8 @@ static int has_deep_sleep, deep_sleeping; | |||
87 | static int pmc_irq; | 104 | static int pmc_irq; |
88 | static struct mpc83xx_pmc __iomem *pmc_regs; | 105 | static struct mpc83xx_pmc __iomem *pmc_regs; |
89 | static struct mpc83xx_clock __iomem *clock_regs; | 106 | static struct mpc83xx_clock __iomem *clock_regs; |
107 | static struct mpc83xx_syscr __iomem *syscr_regs; | ||
108 | static struct mpc83xx_saved saved_regs; | ||
90 | static int is_pci_agent, wake_from_pci; | 109 | static int is_pci_agent, wake_from_pci; |
91 | static phys_addr_t immrbase; | 110 | static phys_addr_t immrbase; |
92 | static int pci_pm_state; | 111 | static int pci_pm_state; |
@@ -137,6 +156,20 @@ static irqreturn_t pmc_irq_handler(int irq, void *dev_id) | |||
137 | return ret; | 156 | return ret; |
138 | } | 157 | } |
139 | 158 | ||
159 | static void mpc83xx_suspend_restore_regs(void) | ||
160 | { | ||
161 | out_be32(&syscr_regs->sicrl, saved_regs.sicrl); | ||
162 | out_be32(&syscr_regs->sicrh, saved_regs.sicrh); | ||
163 | out_be32(&clock_regs->sccr, saved_regs.sccr); | ||
164 | } | ||
165 | |||
166 | static void mpc83xx_suspend_save_regs(void) | ||
167 | { | ||
168 | saved_regs.sicrl = in_be32(&syscr_regs->sicrl); | ||
169 | saved_regs.sicrh = in_be32(&syscr_regs->sicrh); | ||
170 | saved_regs.sccr = in_be32(&clock_regs->sccr); | ||
171 | } | ||
172 | |||
140 | static int mpc83xx_suspend_enter(suspend_state_t state) | 173 | static int mpc83xx_suspend_enter(suspend_state_t state) |
141 | { | 174 | { |
142 | int ret = -EAGAIN; | 175 | int ret = -EAGAIN; |
@@ -166,6 +199,8 @@ static int mpc83xx_suspend_enter(suspend_state_t state) | |||
166 | */ | 199 | */ |
167 | 200 | ||
168 | if (deep_sleeping) { | 201 | if (deep_sleeping) { |
202 | mpc83xx_suspend_save_regs(); | ||
203 | |||
169 | out_be32(&pmc_regs->mask, PMCER_ALL); | 204 | out_be32(&pmc_regs->mask, PMCER_ALL); |
170 | 205 | ||
171 | out_be32(&pmc_regs->config1, | 206 | out_be32(&pmc_regs->config1, |
@@ -179,6 +214,8 @@ static int mpc83xx_suspend_enter(suspend_state_t state) | |||
179 | in_be32(&pmc_regs->config1) & ~PMCCR1_POWER_OFF); | 214 | in_be32(&pmc_regs->config1) & ~PMCCR1_POWER_OFF); |
180 | 215 | ||
181 | out_be32(&pmc_regs->mask, PMCER_PMCI); | 216 | out_be32(&pmc_regs->mask, PMCER_PMCI); |
217 | |||
218 | mpc83xx_suspend_restore_regs(); | ||
182 | } else { | 219 | } else { |
183 | out_be32(&pmc_regs->mask, PMCER_PMCI); | 220 | out_be32(&pmc_regs->mask, PMCER_PMCI); |
184 | 221 | ||
@@ -194,7 +231,7 @@ out: | |||
194 | return ret; | 231 | return ret; |
195 | } | 232 | } |
196 | 233 | ||
197 | static void mpc83xx_suspend_finish(void) | 234 | static void mpc83xx_suspend_end(void) |
198 | { | 235 | { |
199 | deep_sleeping = 0; | 236 | deep_sleeping = 0; |
200 | } | 237 | } |
@@ -278,7 +315,7 @@ static struct platform_suspend_ops mpc83xx_suspend_ops = { | |||
278 | .valid = mpc83xx_suspend_valid, | 315 | .valid = mpc83xx_suspend_valid, |
279 | .begin = mpc83xx_suspend_begin, | 316 | .begin = mpc83xx_suspend_begin, |
280 | .enter = mpc83xx_suspend_enter, | 317 | .enter = mpc83xx_suspend_enter, |
281 | .finish = mpc83xx_suspend_finish, | 318 | .end = mpc83xx_suspend_end, |
282 | }; | 319 | }; |
283 | 320 | ||
284 | static int pmc_probe(struct of_device *ofdev, | 321 | static int pmc_probe(struct of_device *ofdev, |
@@ -333,12 +370,23 @@ static int pmc_probe(struct of_device *ofdev, | |||
333 | goto out_pmc; | 370 | goto out_pmc; |
334 | } | 371 | } |
335 | 372 | ||
373 | if (has_deep_sleep) { | ||
374 | syscr_regs = ioremap(immrbase + IMMR_SYSCR_OFFSET, | ||
375 | sizeof(*syscr_regs)); | ||
376 | if (!syscr_regs) { | ||
377 | ret = -ENOMEM; | ||
378 | goto out_syscr; | ||
379 | } | ||
380 | } | ||
381 | |||
336 | if (is_pci_agent) | 382 | if (is_pci_agent) |
337 | mpc83xx_set_agent(); | 383 | mpc83xx_set_agent(); |
338 | 384 | ||
339 | suspend_set_ops(&mpc83xx_suspend_ops); | 385 | suspend_set_ops(&mpc83xx_suspend_ops); |
340 | return 0; | 386 | return 0; |
341 | 387 | ||
388 | out_syscr: | ||
389 | iounmap(clock_regs); | ||
342 | out_pmc: | 390 | out_pmc: |
343 | iounmap(pmc_regs); | 391 | iounmap(pmc_regs); |
344 | out: | 392 | out: |
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index c5028a2e5a58..21f61b8c445b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c | |||
@@ -86,7 +86,7 @@ static int mpc8568_fixup_125_clock(struct phy_device *phydev) | |||
86 | scr = phy_read(phydev, MV88E1111_SCR); | 86 | scr = phy_read(phydev, MV88E1111_SCR); |
87 | 87 | ||
88 | if (scr < 0) | 88 | if (scr < 0) |
89 | return err; | 89 | return scr; |
90 | 90 | ||
91 | err = phy_write(phydev, MV88E1111_SCR, scr | 0x0008); | 91 | err = phy_write(phydev, MV88E1111_SCR, scr | 0x0008); |
92 | 92 | ||
diff --git a/arch/powerpc/platforms/amigaone/setup.c b/arch/powerpc/platforms/amigaone/setup.c index 9290a7a442d0..fb4eb0df054c 100644 --- a/arch/powerpc/platforms/amigaone/setup.c +++ b/arch/powerpc/platforms/amigaone/setup.c | |||
@@ -14,7 +14,7 @@ | |||
14 | 14 | ||
15 | #include <linux/kernel.h> | 15 | #include <linux/kernel.h> |
16 | #include <linux/seq_file.h> | 16 | #include <linux/seq_file.h> |
17 | #include <linux/utsrelease.h> | 17 | #include <generated/utsrelease.h> |
18 | 18 | ||
19 | #include <asm/machdep.h> | 19 | #include <asm/machdep.h> |
20 | #include <asm/cputable.h> | 20 | #include <asm/cputable.h> |
diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index b93f877ba504..b9d5d678aa44 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile | |||
@@ -13,10 +13,8 @@ SPU_CC := $(SPU_CROSS)gcc | |||
13 | SPU_AS := $(SPU_CROSS)gcc | 13 | SPU_AS := $(SPU_CROSS)gcc |
14 | SPU_LD := $(SPU_CROSS)ld | 14 | SPU_LD := $(SPU_CROSS)ld |
15 | SPU_OBJCOPY := $(SPU_CROSS)objcopy | 15 | SPU_OBJCOPY := $(SPU_CROSS)objcopy |
16 | SPU_CFLAGS := -O2 -Wall -I$(srctree)/include \ | 16 | SPU_CFLAGS := -O2 -Wall -I$(srctree)/include -D__KERNEL__ |
17 | -I$(objtree)/include2 -D__KERNEL__ | 17 | SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include -D__KERNEL__ |
18 | SPU_AFLAGS := -c -D__ASSEMBLY__ -I$(srctree)/include \ | ||
19 | -I$(objtree)/include2 -D__KERNEL__ | ||
20 | SPU_LDFLAGS := -N -Ttext=0x0 | 18 | SPU_LDFLAGS := -N -Ttext=0x0 |
21 | 19 | ||
22 | $(obj)/switch.o: $(obj)/spu_save_dump.h $(obj)/spu_restore_dump.h | 20 | $(obj)/switch.o: $(obj)/spu_save_dump.h $(obj)/spu_restore_dump.h |
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 52f3df3b4ca0..8f41685d8f42 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c | |||
@@ -23,7 +23,7 @@ | |||
23 | #include <linux/reboot.h> | 23 | #include <linux/reboot.h> |
24 | #include <linux/init.h> | 24 | #include <linux/init.h> |
25 | #include <linux/pci.h> | 25 | #include <linux/pci.h> |
26 | #include <linux/utsrelease.h> | 26 | #include <generated/utsrelease.h> |
27 | #include <linux/adb.h> | 27 | #include <linux/adb.h> |
28 | #include <linux/module.h> | 28 | #include <linux/module.h> |
29 | #include <linux/delay.h> | 29 | #include <linux/delay.h> |
diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c index d5963285e3be..c278bd3a8fec 100644 --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c | |||
@@ -102,7 +102,7 @@ static int flipper_pic_map(struct irq_host *h, unsigned int virq, | |||
102 | irq_hw_number_t hwirq) | 102 | irq_hw_number_t hwirq) |
103 | { | 103 | { |
104 | set_irq_chip_data(virq, h->host_data); | 104 | set_irq_chip_data(virq, h->host_data); |
105 | get_irq_desc(virq)->status |= IRQ_LEVEL; | 105 | irq_to_desc(virq)->status |= IRQ_LEVEL; |
106 | set_irq_chip_and_handler(virq, &flipper_pic, handle_level_irq); | 106 | set_irq_chip_and_handler(virq, &flipper_pic, handle_level_irq); |
107 | return 0; | 107 | return 0; |
108 | } | 108 | } |
diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index dd20bff33207..a771f91e215b 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c | |||
@@ -95,7 +95,7 @@ static int hlwd_pic_map(struct irq_host *h, unsigned int virq, | |||
95 | irq_hw_number_t hwirq) | 95 | irq_hw_number_t hwirq) |
96 | { | 96 | { |
97 | set_irq_chip_data(virq, h->host_data); | 97 | set_irq_chip_data(virq, h->host_data); |
98 | get_irq_desc(virq)->status |= IRQ_LEVEL; | 98 | irq_to_desc(virq)->status |= IRQ_LEVEL; |
99 | set_irq_chip_and_handler(virq, &hlwd_pic, handle_level_irq); | 99 | set_irq_chip_and_handler(virq, &hlwd_pic, handle_level_irq); |
100 | return 0; | 100 | return 0; |
101 | } | 101 | } |
@@ -132,9 +132,9 @@ static void hlwd_pic_irq_cascade(unsigned int cascade_virq, | |||
132 | struct irq_host *irq_host = get_irq_data(cascade_virq); | 132 | struct irq_host *irq_host = get_irq_data(cascade_virq); |
133 | unsigned int virq; | 133 | unsigned int virq; |
134 | 134 | ||
135 | spin_lock(&desc->lock); | 135 | raw_spin_lock(&desc->lock); |
136 | desc->chip->mask(cascade_virq); /* IRQ_LEVEL */ | 136 | desc->chip->mask(cascade_virq); /* IRQ_LEVEL */ |
137 | spin_unlock(&desc->lock); | 137 | raw_spin_unlock(&desc->lock); |
138 | 138 | ||
139 | virq = __hlwd_pic_get_irq(irq_host); | 139 | virq = __hlwd_pic_get_irq(irq_host); |
140 | if (virq != NO_IRQ) | 140 | if (virq != NO_IRQ) |
@@ -142,11 +142,11 @@ static void hlwd_pic_irq_cascade(unsigned int cascade_virq, | |||
142 | else | 142 | else |
143 | pr_err("spurious interrupt!\n"); | 143 | pr_err("spurious interrupt!\n"); |
144 | 144 | ||
145 | spin_lock(&desc->lock); | 145 | raw_spin_lock(&desc->lock); |
146 | desc->chip->ack(cascade_virq); /* IRQ_LEVEL */ | 146 | desc->chip->ack(cascade_virq); /* IRQ_LEVEL */ |
147 | if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask) | 147 | if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask) |
148 | desc->chip->unmask(cascade_virq); | 148 | desc->chip->unmask(cascade_virq); |
149 | spin_unlock(&desc->lock); | 149 | raw_spin_unlock(&desc->lock); |
150 | } | 150 | } |
151 | 151 | ||
152 | /* | 152 | /* |
diff --git a/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c index edc956cc8b13..20a8ed91962e 100644 --- a/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c +++ b/arch/powerpc/platforms/embedded6xx/usbgecko_udbg.c | |||
@@ -120,7 +120,7 @@ static void ug_putc(char ch) | |||
120 | 120 | ||
121 | while (!ug_is_txfifo_ready() && count--) | 121 | while (!ug_is_txfifo_ready() && count--) |
122 | barrier(); | 122 | barrier(); |
123 | if (count) | 123 | if (count >= 0) |
124 | ug_raw_putc(ch); | 124 | ug_raw_putc(ch); |
125 | } | 125 | } |
126 | 126 | ||
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index 0d9343df35bc..6617915bcb1a 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c | |||
@@ -855,59 +855,58 @@ static int mf_get_boot_rtc(struct rtc_time *tm) | |||
855 | } | 855 | } |
856 | 856 | ||
857 | #ifdef CONFIG_PROC_FS | 857 | #ifdef CONFIG_PROC_FS |
858 | 858 | static int mf_cmdline_proc_show(struct seq_file *m, void *v) | |
859 | static int proc_mf_dump_cmdline(char *page, char **start, off_t off, | ||
860 | int count, int *eof, void *data) | ||
861 | { | 859 | { |
862 | int len; | 860 | char *page, *p; |
863 | char *p; | ||
864 | struct vsp_cmd_data vsp_cmd; | 861 | struct vsp_cmd_data vsp_cmd; |
865 | int rc; | 862 | int rc; |
866 | dma_addr_t dma_addr; | 863 | dma_addr_t dma_addr; |
867 | 864 | ||
868 | /* The HV appears to return no more than 256 bytes of command line */ | 865 | /* The HV appears to return no more than 256 bytes of command line */ |
869 | if (off >= 256) | 866 | page = kmalloc(256, GFP_KERNEL); |
870 | return 0; | 867 | if (!page) |
871 | if ((off + count) > 256) | 868 | return -ENOMEM; |
872 | count = 256 - off; | ||
873 | 869 | ||
874 | dma_addr = iseries_hv_map(page, off + count, DMA_FROM_DEVICE); | 870 | dma_addr = iseries_hv_map(page, 256, DMA_FROM_DEVICE); |
875 | if (dma_addr == DMA_ERROR_CODE) | 871 | if (dma_addr == DMA_ERROR_CODE) { |
872 | kfree(page); | ||
876 | return -ENOMEM; | 873 | return -ENOMEM; |
877 | memset(page, 0, off + count); | 874 | } |
875 | memset(page, 0, 256); | ||
878 | memset(&vsp_cmd, 0, sizeof(vsp_cmd)); | 876 | memset(&vsp_cmd, 0, sizeof(vsp_cmd)); |
879 | vsp_cmd.cmd = 33; | 877 | vsp_cmd.cmd = 33; |
880 | vsp_cmd.sub_data.kern.token = dma_addr; | 878 | vsp_cmd.sub_data.kern.token = dma_addr; |
881 | vsp_cmd.sub_data.kern.address_type = HvLpDma_AddressType_TceIndex; | 879 | vsp_cmd.sub_data.kern.address_type = HvLpDma_AddressType_TceIndex; |
882 | vsp_cmd.sub_data.kern.side = (u64)data; | 880 | vsp_cmd.sub_data.kern.side = (u64)m->private; |
883 | vsp_cmd.sub_data.kern.length = off + count; | 881 | vsp_cmd.sub_data.kern.length = 256; |
884 | mb(); | 882 | mb(); |
885 | rc = signal_vsp_instruction(&vsp_cmd); | 883 | rc = signal_vsp_instruction(&vsp_cmd); |
886 | iseries_hv_unmap(dma_addr, off + count, DMA_FROM_DEVICE); | 884 | iseries_hv_unmap(dma_addr, 256, DMA_FROM_DEVICE); |
887 | if (rc) | 885 | if (rc) { |
886 | kfree(page); | ||
888 | return rc; | 887 | return rc; |
889 | if (vsp_cmd.result_code != 0) | 888 | } |
889 | if (vsp_cmd.result_code != 0) { | ||
890 | kfree(page); | ||
890 | return -ENOMEM; | 891 | return -ENOMEM; |
892 | } | ||
891 | p = page; | 893 | p = page; |
892 | len = 0; | 894 | while (p - page < 256) { |
893 | while (len < (off + count)) { | 895 | if (*p == '\0' || *p == '\n') { |
894 | if ((*p == '\0') || (*p == '\n')) { | 896 | *p = '\n'; |
895 | if (*p == '\0') | ||
896 | *p = '\n'; | ||
897 | p++; | ||
898 | len++; | ||
899 | *eof = 1; | ||
900 | break; | 897 | break; |
901 | } | 898 | } |
902 | p++; | 899 | p++; |
903 | len++; | ||
904 | } | ||
905 | 900 | ||
906 | if (len < off) { | ||
907 | *eof = 1; | ||
908 | len = 0; | ||
909 | } | 901 | } |
910 | return len; | 902 | seq_write(m, page, p - page); |
903 | kfree(page); | ||
904 | return 0; | ||
905 | } | ||
906 | |||
907 | static int mf_cmdline_proc_open(struct inode *inode, struct file *file) | ||
908 | { | ||
909 | return single_open(file, mf_cmdline_proc_show, PDE(inode)->data); | ||
911 | } | 910 | } |
912 | 911 | ||
913 | #if 0 | 912 | #if 0 |
@@ -962,10 +961,8 @@ static int proc_mf_dump_vmlinux(char *page, char **start, off_t off, | |||
962 | } | 961 | } |
963 | #endif | 962 | #endif |
964 | 963 | ||
965 | static int proc_mf_dump_side(char *page, char **start, off_t off, | 964 | static int mf_side_proc_show(struct seq_file *m, void *v) |
966 | int count, int *eof, void *data) | ||
967 | { | 965 | { |
968 | int len; | ||
969 | char mf_current_side = ' '; | 966 | char mf_current_side = ' '; |
970 | struct vsp_cmd_data vsp_cmd; | 967 | struct vsp_cmd_data vsp_cmd; |
971 | 968 | ||
@@ -989,21 +986,17 @@ static int proc_mf_dump_side(char *page, char **start, off_t off, | |||
989 | } | 986 | } |
990 | } | 987 | } |
991 | 988 | ||
992 | len = sprintf(page, "%c\n", mf_current_side); | 989 | seq_printf(m, "%c\n", mf_current_side); |
990 | return 0; | ||
991 | } | ||
993 | 992 | ||
994 | if (len <= (off + count)) | 993 | static int mf_side_proc_open(struct inode *inode, struct file *file) |
995 | *eof = 1; | 994 | { |
996 | *start = page + off; | 995 | return single_open(file, mf_side_proc_show, NULL); |
997 | len -= off; | ||
998 | if (len > count) | ||
999 | len = count; | ||
1000 | if (len < 0) | ||
1001 | len = 0; | ||
1002 | return len; | ||
1003 | } | 996 | } |
1004 | 997 | ||
1005 | static int proc_mf_change_side(struct file *file, const char __user *buffer, | 998 | static ssize_t mf_side_proc_write(struct file *file, const char __user *buffer, |
1006 | unsigned long count, void *data) | 999 | size_t count, loff_t *pos) |
1007 | { | 1000 | { |
1008 | char side; | 1001 | char side; |
1009 | u64 newSide; | 1002 | u64 newSide; |
@@ -1041,6 +1034,15 @@ static int proc_mf_change_side(struct file *file, const char __user *buffer, | |||
1041 | return count; | 1034 | return count; |
1042 | } | 1035 | } |
1043 | 1036 | ||
1037 | static const struct file_operations mf_side_proc_fops = { | ||
1038 | .owner = THIS_MODULE, | ||
1039 | .open = mf_side_proc_open, | ||
1040 | .read = seq_read, | ||
1041 | .llseek = seq_lseek, | ||
1042 | .release = single_release, | ||
1043 | .write = mf_side_proc_write, | ||
1044 | }; | ||
1045 | |||
1044 | #if 0 | 1046 | #if 0 |
1045 | static void mf_getSrcHistory(char *buffer, int size) | 1047 | static void mf_getSrcHistory(char *buffer, int size) |
1046 | { | 1048 | { |
@@ -1087,8 +1089,7 @@ static void mf_getSrcHistory(char *buffer, int size) | |||
1087 | } | 1089 | } |
1088 | #endif | 1090 | #endif |
1089 | 1091 | ||
1090 | static int proc_mf_dump_src(char *page, char **start, off_t off, | 1092 | static int mf_src_proc_show(struct seq_file *m, void *v) |
1091 | int count, int *eof, void *data) | ||
1092 | { | 1093 | { |
1093 | #if 0 | 1094 | #if 0 |
1094 | int len; | 1095 | int len; |
@@ -1109,8 +1110,13 @@ static int proc_mf_dump_src(char *page, char **start, off_t off, | |||
1109 | #endif | 1110 | #endif |
1110 | } | 1111 | } |
1111 | 1112 | ||
1112 | static int proc_mf_change_src(struct file *file, const char __user *buffer, | 1113 | static int mf_src_proc_open(struct inode *inode, struct file *file) |
1113 | unsigned long count, void *data) | 1114 | { |
1115 | return single_open(file, mf_src_proc_show, NULL); | ||
1116 | } | ||
1117 | |||
1118 | static ssize_t mf_src_proc_write(struct file *file, const char __user *buffer, | ||
1119 | size_t count, loff_t *pos) | ||
1114 | { | 1120 | { |
1115 | char stkbuf[10]; | 1121 | char stkbuf[10]; |
1116 | 1122 | ||
@@ -1135,9 +1141,19 @@ static int proc_mf_change_src(struct file *file, const char __user *buffer, | |||
1135 | return count; | 1141 | return count; |
1136 | } | 1142 | } |
1137 | 1143 | ||
1138 | static int proc_mf_change_cmdline(struct file *file, const char __user *buffer, | 1144 | static const struct file_operations mf_src_proc_fops = { |
1139 | unsigned long count, void *data) | 1145 | .owner = THIS_MODULE, |
1146 | .open = mf_src_proc_open, | ||
1147 | .read = seq_read, | ||
1148 | .llseek = seq_lseek, | ||
1149 | .release = single_release, | ||
1150 | .write = mf_src_proc_write, | ||
1151 | }; | ||
1152 | |||
1153 | static ssize_t mf_cmdline_proc_write(struct file *file, const char __user *buffer, | ||
1154 | size_t count, loff_t *pos) | ||
1140 | { | 1155 | { |
1156 | void *data = PDE(file->f_path.dentry->d_inode)->data; | ||
1141 | struct vsp_cmd_data vsp_cmd; | 1157 | struct vsp_cmd_data vsp_cmd; |
1142 | dma_addr_t dma_addr; | 1158 | dma_addr_t dma_addr; |
1143 | char *page; | 1159 | char *page; |
@@ -1172,6 +1188,15 @@ out: | |||
1172 | return ret; | 1188 | return ret; |
1173 | } | 1189 | } |
1174 | 1190 | ||
1191 | static const struct file_operations mf_cmdline_proc_fops = { | ||
1192 | .owner = THIS_MODULE, | ||
1193 | .open = mf_cmdline_proc_open, | ||
1194 | .read = seq_read, | ||
1195 | .llseek = seq_lseek, | ||
1196 | .release = single_release, | ||
1197 | .write = mf_cmdline_proc_write, | ||
1198 | }; | ||
1199 | |||
1175 | static ssize_t proc_mf_change_vmlinux(struct file *file, | 1200 | static ssize_t proc_mf_change_vmlinux(struct file *file, |
1176 | const char __user *buf, | 1201 | const char __user *buf, |
1177 | size_t count, loff_t *ppos) | 1202 | size_t count, loff_t *ppos) |
@@ -1246,12 +1271,10 @@ static int __init mf_proc_init(void) | |||
1246 | if (!mf) | 1271 | if (!mf) |
1247 | return 1; | 1272 | return 1; |
1248 | 1273 | ||
1249 | ent = create_proc_entry("cmdline", S_IFREG|S_IRUSR|S_IWUSR, mf); | 1274 | ent = proc_create_data("cmdline", S_IRUSR|S_IWUSR, mf, |
1275 | &mf_cmdline_proc_fops, (void *)(long)i); | ||
1250 | if (!ent) | 1276 | if (!ent) |
1251 | return 1; | 1277 | return 1; |
1252 | ent->data = (void *)(long)i; | ||
1253 | ent->read_proc = proc_mf_dump_cmdline; | ||
1254 | ent->write_proc = proc_mf_change_cmdline; | ||
1255 | 1278 | ||
1256 | if (i == 3) /* no vmlinux entry for 'D' */ | 1279 | if (i == 3) /* no vmlinux entry for 'D' */ |
1257 | continue; | 1280 | continue; |
@@ -1263,19 +1286,15 @@ static int __init mf_proc_init(void) | |||
1263 | return 1; | 1286 | return 1; |
1264 | } | 1287 | } |
1265 | 1288 | ||
1266 | ent = create_proc_entry("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); | 1289 | ent = proc_create("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root, |
1290 | &mf_side_proc_fops); | ||
1267 | if (!ent) | 1291 | if (!ent) |
1268 | return 1; | 1292 | return 1; |
1269 | ent->data = (void *)0; | ||
1270 | ent->read_proc = proc_mf_dump_side; | ||
1271 | ent->write_proc = proc_mf_change_side; | ||
1272 | 1293 | ||
1273 | ent = create_proc_entry("src", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); | 1294 | ent = proc_create("src", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root, |
1295 | &mf_src_proc_fops); | ||
1274 | if (!ent) | 1296 | if (!ent) |
1275 | return 1; | 1297 | return 1; |
1276 | ent->data = (void *)0; | ||
1277 | ent->read_proc = proc_mf_dump_src; | ||
1278 | ent->write_proc = proc_mf_change_src; | ||
1279 | 1298 | ||
1280 | return 0; | 1299 | return 0; |
1281 | } | 1300 | } |
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 49ff4dc422b7..5aea94f30836 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c | |||
@@ -116,7 +116,7 @@ static int proc_viopath_show(struct seq_file *m, void *v) | |||
116 | u16 vlanMap; | 116 | u16 vlanMap; |
117 | dma_addr_t handle; | 117 | dma_addr_t handle; |
118 | HvLpEvent_Rc hvrc; | 118 | HvLpEvent_Rc hvrc; |
119 | DECLARE_COMPLETION(done); | 119 | DECLARE_COMPLETION_ONSTACK(done); |
120 | struct device_node *node; | 120 | struct device_node *node; |
121 | const char *sysid; | 121 | const char *sysid; |
122 | 122 | ||
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index cf660916ae0b..9dd789a7370d 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c | |||
@@ -12,7 +12,7 @@ | |||
12 | #include <linux/kernel.h> | 12 | #include <linux/kernel.h> |
13 | #include <linux/string.h> | 13 | #include <linux/string.h> |
14 | #include <linux/init.h> | 14 | #include <linux/init.h> |
15 | #include <linux/utsrelease.h> | 15 | #include <generated/utsrelease.h> |
16 | #include <asm/sections.h> | 16 | #include <asm/sections.h> |
17 | #include <asm/prom.h> | 17 | #include <asm/prom.h> |
18 | #include <asm/page.h> | 18 | #include <asm/page.h> |
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 27554c807fd5..c667f0f02c34 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig | |||
@@ -2,6 +2,8 @@ config PPC_PSERIES | |||
2 | depends on PPC64 && PPC_BOOK3S | 2 | depends on PPC64 && PPC_BOOK3S |
3 | bool "IBM pSeries & new (POWER5-based) iSeries" | 3 | bool "IBM pSeries & new (POWER5-based) iSeries" |
4 | select MPIC | 4 | select MPIC |
5 | select PCI_MSI | ||
6 | select XICS | ||
5 | select PPC_I8259 | 7 | select PPC_I8259 |
6 | select PPC_RTAS | 8 | select PPC_RTAS |
7 | select PPC_RTAS_DAEMON | 9 | select PPC_RTAS_DAEMON |
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index bcdcf0ccc8d7..a277f2e28dbc 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c | |||
@@ -38,19 +38,28 @@ | |||
38 | #include <asm/mmu.h> | 38 | #include <asm/mmu.h> |
39 | #include <asm/pgalloc.h> | 39 | #include <asm/pgalloc.h> |
40 | #include <asm/uaccess.h> | 40 | #include <asm/uaccess.h> |
41 | #include <linux/memory.h> | ||
41 | 42 | ||
42 | #include "plpar_wrappers.h" | 43 | #include "plpar_wrappers.h" |
43 | 44 | ||
44 | #define CMM_DRIVER_VERSION "1.0.0" | 45 | #define CMM_DRIVER_VERSION "1.0.0" |
45 | #define CMM_DEFAULT_DELAY 1 | 46 | #define CMM_DEFAULT_DELAY 1 |
47 | #define CMM_HOTPLUG_DELAY 5 | ||
46 | #define CMM_DEBUG 0 | 48 | #define CMM_DEBUG 0 |
47 | #define CMM_DISABLE 0 | 49 | #define CMM_DISABLE 0 |
48 | #define CMM_OOM_KB 1024 | 50 | #define CMM_OOM_KB 1024 |
49 | #define CMM_MIN_MEM_MB 256 | 51 | #define CMM_MIN_MEM_MB 256 |
50 | #define KB2PAGES(_p) ((_p)>>(PAGE_SHIFT-10)) | 52 | #define KB2PAGES(_p) ((_p)>>(PAGE_SHIFT-10)) |
51 | #define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10)) | 53 | #define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10)) |
54 | /* | ||
55 | * The priority level tries to ensure that this notifier is called as | ||
56 | * late as possible to reduce thrashing in the shared memory pool. | ||
57 | */ | ||
58 | #define CMM_MEM_HOTPLUG_PRI 1 | ||
59 | #define CMM_MEM_ISOLATE_PRI 15 | ||
52 | 60 | ||
53 | static unsigned int delay = CMM_DEFAULT_DELAY; | 61 | static unsigned int delay = CMM_DEFAULT_DELAY; |
62 | static unsigned int hotplug_delay = CMM_HOTPLUG_DELAY; | ||
54 | static unsigned int oom_kb = CMM_OOM_KB; | 63 | static unsigned int oom_kb = CMM_OOM_KB; |
55 | static unsigned int cmm_debug = CMM_DEBUG; | 64 | static unsigned int cmm_debug = CMM_DEBUG; |
56 | static unsigned int cmm_disabled = CMM_DISABLE; | 65 | static unsigned int cmm_disabled = CMM_DISABLE; |
@@ -65,6 +74,10 @@ MODULE_VERSION(CMM_DRIVER_VERSION); | |||
65 | module_param_named(delay, delay, uint, S_IRUGO | S_IWUSR); | 74 | module_param_named(delay, delay, uint, S_IRUGO | S_IWUSR); |
66 | MODULE_PARM_DESC(delay, "Delay (in seconds) between polls to query hypervisor paging requests. " | 75 | MODULE_PARM_DESC(delay, "Delay (in seconds) between polls to query hypervisor paging requests. " |
67 | "[Default=" __stringify(CMM_DEFAULT_DELAY) "]"); | 76 | "[Default=" __stringify(CMM_DEFAULT_DELAY) "]"); |
77 | module_param_named(hotplug_delay, hotplug_delay, uint, S_IRUGO | S_IWUSR); | ||
78 | MODULE_PARM_DESC(delay, "Delay (in seconds) after memory hotplug remove " | ||
79 | "before loaning resumes. " | ||
80 | "[Default=" __stringify(CMM_HOTPLUG_DELAY) "]"); | ||
68 | module_param_named(oom_kb, oom_kb, uint, S_IRUGO | S_IWUSR); | 81 | module_param_named(oom_kb, oom_kb, uint, S_IRUGO | S_IWUSR); |
69 | MODULE_PARM_DESC(oom_kb, "Amount of memory in kb to free on OOM. " | 82 | MODULE_PARM_DESC(oom_kb, "Amount of memory in kb to free on OOM. " |
70 | "[Default=" __stringify(CMM_OOM_KB) "]"); | 83 | "[Default=" __stringify(CMM_OOM_KB) "]"); |
@@ -92,6 +105,9 @@ static unsigned long oom_freed_pages; | |||
92 | static struct cmm_page_array *cmm_page_list; | 105 | static struct cmm_page_array *cmm_page_list; |
93 | static DEFINE_SPINLOCK(cmm_lock); | 106 | static DEFINE_SPINLOCK(cmm_lock); |
94 | 107 | ||
108 | static DEFINE_MUTEX(hotplug_mutex); | ||
109 | static int hotplug_occurred; /* protected by the hotplug mutex */ | ||
110 | |||
95 | static struct task_struct *cmm_thread_ptr; | 111 | static struct task_struct *cmm_thread_ptr; |
96 | 112 | ||
97 | /** | 113 | /** |
@@ -110,6 +126,17 @@ static long cmm_alloc_pages(long nr) | |||
110 | cmm_dbg("Begin request for %ld pages\n", nr); | 126 | cmm_dbg("Begin request for %ld pages\n", nr); |
111 | 127 | ||
112 | while (nr) { | 128 | while (nr) { |
129 | /* Exit if a hotplug operation is in progress or occurred */ | ||
130 | if (mutex_trylock(&hotplug_mutex)) { | ||
131 | if (hotplug_occurred) { | ||
132 | mutex_unlock(&hotplug_mutex); | ||
133 | break; | ||
134 | } | ||
135 | mutex_unlock(&hotplug_mutex); | ||
136 | } else { | ||
137 | break; | ||
138 | } | ||
139 | |||
113 | addr = __get_free_page(GFP_NOIO | __GFP_NOWARN | | 140 | addr = __get_free_page(GFP_NOIO | __GFP_NOWARN | |
114 | __GFP_NORETRY | __GFP_NOMEMALLOC); | 141 | __GFP_NORETRY | __GFP_NOMEMALLOC); |
115 | if (!addr) | 142 | if (!addr) |
@@ -119,8 +146,9 @@ static long cmm_alloc_pages(long nr) | |||
119 | if (!pa || pa->index >= CMM_NR_PAGES) { | 146 | if (!pa || pa->index >= CMM_NR_PAGES) { |
120 | /* Need a new page for the page list. */ | 147 | /* Need a new page for the page list. */ |
121 | spin_unlock(&cmm_lock); | 148 | spin_unlock(&cmm_lock); |
122 | npa = (struct cmm_page_array *)__get_free_page(GFP_NOIO | __GFP_NOWARN | | 149 | npa = (struct cmm_page_array *)__get_free_page( |
123 | __GFP_NORETRY | __GFP_NOMEMALLOC); | 150 | GFP_NOIO | __GFP_NOWARN | |
151 | __GFP_NORETRY | __GFP_NOMEMALLOC); | ||
124 | if (!npa) { | 152 | if (!npa) { |
125 | pr_info("%s: Can not allocate new page list\n", __func__); | 153 | pr_info("%s: Can not allocate new page list\n", __func__); |
126 | free_page(addr); | 154 | free_page(addr); |
@@ -282,9 +310,28 @@ static int cmm_thread(void *dummy) | |||
282 | while (1) { | 310 | while (1) { |
283 | timeleft = msleep_interruptible(delay * 1000); | 311 | timeleft = msleep_interruptible(delay * 1000); |
284 | 312 | ||
285 | if (kthread_should_stop() || timeleft) { | 313 | if (kthread_should_stop() || timeleft) |
286 | loaned_pages_target = loaned_pages; | ||
287 | break; | 314 | break; |
315 | |||
316 | if (mutex_trylock(&hotplug_mutex)) { | ||
317 | if (hotplug_occurred) { | ||
318 | hotplug_occurred = 0; | ||
319 | mutex_unlock(&hotplug_mutex); | ||
320 | cmm_dbg("Hotplug operation has occurred, " | ||
321 | "loaning activity suspended " | ||
322 | "for %d seconds.\n", | ||
323 | hotplug_delay); | ||
324 | timeleft = msleep_interruptible(hotplug_delay * | ||
325 | 1000); | ||
326 | if (kthread_should_stop() || timeleft) | ||
327 | break; | ||
328 | continue; | ||
329 | } | ||
330 | mutex_unlock(&hotplug_mutex); | ||
331 | } else { | ||
332 | cmm_dbg("Hotplug operation in progress, activity " | ||
333 | "suspended\n"); | ||
334 | continue; | ||
288 | } | 335 | } |
289 | 336 | ||
290 | cmm_get_mpp(); | 337 | cmm_get_mpp(); |
@@ -414,6 +461,193 @@ static struct notifier_block cmm_reboot_nb = { | |||
414 | }; | 461 | }; |
415 | 462 | ||
416 | /** | 463 | /** |
464 | * cmm_count_pages - Count the number of pages loaned in a particular range. | ||
465 | * | ||
466 | * @arg: memory_isolate_notify structure with address range and count | ||
467 | * | ||
468 | * Return value: | ||
469 | * 0 on success | ||
470 | **/ | ||
471 | static unsigned long cmm_count_pages(void *arg) | ||
472 | { | ||
473 | struct memory_isolate_notify *marg = arg; | ||
474 | struct cmm_page_array *pa; | ||
475 | unsigned long start = (unsigned long)pfn_to_kaddr(marg->start_pfn); | ||
476 | unsigned long end = start + (marg->nr_pages << PAGE_SHIFT); | ||
477 | unsigned long idx; | ||
478 | |||
479 | spin_lock(&cmm_lock); | ||
480 | pa = cmm_page_list; | ||
481 | while (pa) { | ||
482 | if ((unsigned long)pa >= start && (unsigned long)pa < end) | ||
483 | marg->pages_found++; | ||
484 | for (idx = 0; idx < pa->index; idx++) | ||
485 | if (pa->page[idx] >= start && pa->page[idx] < end) | ||
486 | marg->pages_found++; | ||
487 | pa = pa->next; | ||
488 | } | ||
489 | spin_unlock(&cmm_lock); | ||
490 | return 0; | ||
491 | } | ||
492 | |||
493 | /** | ||
494 | * cmm_memory_isolate_cb - Handle memory isolation notifier calls | ||
495 | * @self: notifier block struct | ||
496 | * @action: action to take | ||
497 | * @arg: struct memory_isolate_notify data for handler | ||
498 | * | ||
499 | * Return value: | ||
500 | * NOTIFY_OK or notifier error based on subfunction return value | ||
501 | **/ | ||
502 | static int cmm_memory_isolate_cb(struct notifier_block *self, | ||
503 | unsigned long action, void *arg) | ||
504 | { | ||
505 | int ret = 0; | ||
506 | |||
507 | if (action == MEM_ISOLATE_COUNT) | ||
508 | ret = cmm_count_pages(arg); | ||
509 | |||
510 | if (ret) | ||
511 | ret = notifier_from_errno(ret); | ||
512 | else | ||
513 | ret = NOTIFY_OK; | ||
514 | |||
515 | return ret; | ||
516 | } | ||
517 | |||
518 | static struct notifier_block cmm_mem_isolate_nb = { | ||
519 | .notifier_call = cmm_memory_isolate_cb, | ||
520 | .priority = CMM_MEM_ISOLATE_PRI | ||
521 | }; | ||
522 | |||
523 | /** | ||
524 | * cmm_mem_going_offline - Unloan pages where memory is to be removed | ||
525 | * @arg: memory_notify structure with page range to be offlined | ||
526 | * | ||
527 | * Return value: | ||
528 | * 0 on success | ||
529 | **/ | ||
530 | static int cmm_mem_going_offline(void *arg) | ||
531 | { | ||
532 | struct memory_notify *marg = arg; | ||
533 | unsigned long start_page = (unsigned long)pfn_to_kaddr(marg->start_pfn); | ||
534 | unsigned long end_page = start_page + (marg->nr_pages << PAGE_SHIFT); | ||
535 | struct cmm_page_array *pa_curr, *pa_last, *npa; | ||
536 | unsigned long idx; | ||
537 | unsigned long freed = 0; | ||
538 | |||
539 | cmm_dbg("Memory going offline, searching 0x%lx (%ld pages).\n", | ||
540 | start_page, marg->nr_pages); | ||
541 | spin_lock(&cmm_lock); | ||
542 | |||
543 | /* Search the page list for pages in the range to be offlined */ | ||
544 | pa_last = pa_curr = cmm_page_list; | ||
545 | while (pa_curr) { | ||
546 | for (idx = (pa_curr->index - 1); (idx + 1) > 0; idx--) { | ||
547 | if ((pa_curr->page[idx] < start_page) || | ||
548 | (pa_curr->page[idx] >= end_page)) | ||
549 | continue; | ||
550 | |||
551 | plpar_page_set_active(__pa(pa_curr->page[idx])); | ||
552 | free_page(pa_curr->page[idx]); | ||
553 | freed++; | ||
554 | loaned_pages--; | ||
555 | totalram_pages++; | ||
556 | pa_curr->page[idx] = pa_last->page[--pa_last->index]; | ||
557 | if (pa_last->index == 0) { | ||
558 | if (pa_curr == pa_last) | ||
559 | pa_curr = pa_last->next; | ||
560 | pa_last = pa_last->next; | ||
561 | free_page((unsigned long)cmm_page_list); | ||
562 | cmm_page_list = pa_last; | ||
563 | continue; | ||
564 | } | ||
565 | } | ||
566 | pa_curr = pa_curr->next; | ||
567 | } | ||
568 | |||
569 | /* Search for page list structures in the range to be offlined */ | ||
570 | pa_last = NULL; | ||
571 | pa_curr = cmm_page_list; | ||
572 | while (pa_curr) { | ||
573 | if (((unsigned long)pa_curr >= start_page) && | ||
574 | ((unsigned long)pa_curr < end_page)) { | ||
575 | npa = (struct cmm_page_array *)__get_free_page( | ||
576 | GFP_NOIO | __GFP_NOWARN | | ||
577 | __GFP_NORETRY | __GFP_NOMEMALLOC); | ||
578 | if (!npa) { | ||
579 | spin_unlock(&cmm_lock); | ||
580 | cmm_dbg("Failed to allocate memory for list " | ||
581 | "management. Memory hotplug " | ||
582 | "failed.\n"); | ||
583 | return ENOMEM; | ||
584 | } | ||
585 | memcpy(npa, pa_curr, PAGE_SIZE); | ||
586 | if (pa_curr == cmm_page_list) | ||
587 | cmm_page_list = npa; | ||
588 | if (pa_last) | ||
589 | pa_last->next = npa; | ||
590 | free_page((unsigned long) pa_curr); | ||
591 | freed++; | ||
592 | pa_curr = npa; | ||
593 | } | ||
594 | |||
595 | pa_last = pa_curr; | ||
596 | pa_curr = pa_curr->next; | ||
597 | } | ||
598 | |||
599 | spin_unlock(&cmm_lock); | ||
600 | cmm_dbg("Released %ld pages in the search range.\n", freed); | ||
601 | |||
602 | return 0; | ||
603 | } | ||
604 | |||
605 | /** | ||
606 | * cmm_memory_cb - Handle memory hotplug notifier calls | ||
607 | * @self: notifier block struct | ||
608 | * @action: action to take | ||
609 | * @arg: struct memory_notify data for handler | ||
610 | * | ||
611 | * Return value: | ||
612 | * NOTIFY_OK or notifier error based on subfunction return value | ||
613 | * | ||
614 | **/ | ||
615 | static int cmm_memory_cb(struct notifier_block *self, | ||
616 | unsigned long action, void *arg) | ||
617 | { | ||
618 | int ret = 0; | ||
619 | |||
620 | switch (action) { | ||
621 | case MEM_GOING_OFFLINE: | ||
622 | mutex_lock(&hotplug_mutex); | ||
623 | hotplug_occurred = 1; | ||
624 | ret = cmm_mem_going_offline(arg); | ||
625 | break; | ||
626 | case MEM_OFFLINE: | ||
627 | case MEM_CANCEL_OFFLINE: | ||
628 | mutex_unlock(&hotplug_mutex); | ||
629 | cmm_dbg("Memory offline operation complete.\n"); | ||
630 | break; | ||
631 | case MEM_GOING_ONLINE: | ||
632 | case MEM_ONLINE: | ||
633 | case MEM_CANCEL_ONLINE: | ||
634 | break; | ||
635 | } | ||
636 | |||
637 | if (ret) | ||
638 | ret = notifier_from_errno(ret); | ||
639 | else | ||
640 | ret = NOTIFY_OK; | ||
641 | |||
642 | return ret; | ||
643 | } | ||
644 | |||
645 | static struct notifier_block cmm_mem_nb = { | ||
646 | .notifier_call = cmm_memory_cb, | ||
647 | .priority = CMM_MEM_HOTPLUG_PRI | ||
648 | }; | ||
649 | |||
650 | /** | ||
417 | * cmm_init - Module initialization | 651 | * cmm_init - Module initialization |
418 | * | 652 | * |
419 | * Return value: | 653 | * Return value: |
@@ -435,18 +669,24 @@ static int cmm_init(void) | |||
435 | if ((rc = cmm_sysfs_register(&cmm_sysdev))) | 669 | if ((rc = cmm_sysfs_register(&cmm_sysdev))) |
436 | goto out_reboot_notifier; | 670 | goto out_reboot_notifier; |
437 | 671 | ||
672 | if (register_memory_notifier(&cmm_mem_nb) || | ||
673 | register_memory_isolate_notifier(&cmm_mem_isolate_nb)) | ||
674 | goto out_unregister_notifier; | ||
675 | |||
438 | if (cmm_disabled) | 676 | if (cmm_disabled) |
439 | return rc; | 677 | return rc; |
440 | 678 | ||
441 | cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread"); | 679 | cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread"); |
442 | if (IS_ERR(cmm_thread_ptr)) { | 680 | if (IS_ERR(cmm_thread_ptr)) { |
443 | rc = PTR_ERR(cmm_thread_ptr); | 681 | rc = PTR_ERR(cmm_thread_ptr); |
444 | goto out_unregister_sysfs; | 682 | goto out_unregister_notifier; |
445 | } | 683 | } |
446 | 684 | ||
447 | return rc; | 685 | return rc; |
448 | 686 | ||
449 | out_unregister_sysfs: | 687 | out_unregister_notifier: |
688 | unregister_memory_notifier(&cmm_mem_nb); | ||
689 | unregister_memory_isolate_notifier(&cmm_mem_isolate_nb); | ||
450 | cmm_unregister_sysfs(&cmm_sysdev); | 690 | cmm_unregister_sysfs(&cmm_sysdev); |
451 | out_reboot_notifier: | 691 | out_reboot_notifier: |
452 | unregister_reboot_notifier(&cmm_reboot_nb); | 692 | unregister_reboot_notifier(&cmm_reboot_nb); |
@@ -467,6 +707,8 @@ static void cmm_exit(void) | |||
467 | kthread_stop(cmm_thread_ptr); | 707 | kthread_stop(cmm_thread_ptr); |
468 | unregister_oom_notifier(&cmm_oom_nb); | 708 | unregister_oom_notifier(&cmm_oom_nb); |
469 | unregister_reboot_notifier(&cmm_reboot_nb); | 709 | unregister_reboot_notifier(&cmm_reboot_nb); |
710 | unregister_memory_notifier(&cmm_mem_nb); | ||
711 | unregister_memory_isolate_notifier(&cmm_mem_isolate_nb); | ||
470 | cmm_free_pages(loaned_pages); | 712 | cmm_free_pages(loaned_pages); |
471 | cmm_unregister_sysfs(&cmm_sysdev); | 713 | cmm_unregister_sysfs(&cmm_sysdev); |
472 | } | 714 | } |
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 12df9e8812a9..67b7a10f9fce 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c | |||
@@ -346,12 +346,14 @@ int dlpar_release_drc(u32 drc_index) | |||
346 | 346 | ||
347 | static DEFINE_MUTEX(pseries_cpu_hotplug_mutex); | 347 | static DEFINE_MUTEX(pseries_cpu_hotplug_mutex); |
348 | 348 | ||
349 | void cpu_hotplug_driver_lock() | 349 | void cpu_hotplug_driver_lock(void) |
350 | __acquires(pseries_cpu_hotplug_mutex) | ||
350 | { | 351 | { |
351 | mutex_lock(&pseries_cpu_hotplug_mutex); | 352 | mutex_lock(&pseries_cpu_hotplug_mutex); |
352 | } | 353 | } |
353 | 354 | ||
354 | void cpu_hotplug_driver_unlock() | 355 | void cpu_hotplug_driver_unlock(void) |
356 | __releases(pseries_cpu_hotplug_mutex) | ||
355 | { | 357 | { |
356 | mutex_unlock(&pseries_cpu_hotplug_mutex); | 358 | mutex_unlock(&pseries_cpu_hotplug_mutex); |
357 | } | 359 | } |
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 8868c012268a..b4886635972c 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c | |||
@@ -144,8 +144,8 @@ static void __devinit smp_pSeries_kick_cpu(int nr) | |||
144 | hcpuid = get_hard_smp_processor_id(nr); | 144 | hcpuid = get_hard_smp_processor_id(nr); |
145 | rc = plpar_hcall_norets(H_PROD, hcpuid); | 145 | rc = plpar_hcall_norets(H_PROD, hcpuid); |
146 | if (rc != H_SUCCESS) | 146 | if (rc != H_SUCCESS) |
147 | panic("Error: Prod to wake up processor %d Ret= %ld\n", | 147 | printk(KERN_ERR "Error: Prod to wake up processor %d\ |
148 | nr, rc); | 148 | Ret= %ld\n", nr, rc); |
149 | } | 149 | } |
150 | } | 150 | } |
151 | 151 | ||
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index 971483f0dfac..1709ac5aac7c 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c | |||
@@ -143,13 +143,23 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) | |||
143 | struct irq_desc *desc = irq_to_desc(virq); | 143 | struct irq_desc *desc = irq_to_desc(virq); |
144 | unsigned int vold, vnew, edibit; | 144 | unsigned int vold, vnew, edibit; |
145 | 145 | ||
146 | if (flow_type == IRQ_TYPE_NONE) | 146 | /* Port C interrupts are either IRQ_TYPE_EDGE_FALLING or |
147 | flow_type = IRQ_TYPE_LEVEL_LOW; | 147 | * IRQ_TYPE_EDGE_BOTH (default). All others are IRQ_TYPE_EDGE_FALLING |
148 | 148 | * or IRQ_TYPE_LEVEL_LOW (default) | |
149 | if (flow_type & IRQ_TYPE_EDGE_RISING) { | 149 | */ |
150 | printk(KERN_ERR "CPM2 PIC: sense type 0x%x not supported\n", | 150 | if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0) { |
151 | flow_type); | 151 | if (flow_type == IRQ_TYPE_NONE) |
152 | return -EINVAL; | 152 | flow_type = IRQ_TYPE_EDGE_BOTH; |
153 | |||
154 | if (flow_type != IRQ_TYPE_EDGE_BOTH && | ||
155 | flow_type != IRQ_TYPE_EDGE_FALLING) | ||
156 | goto err_sense; | ||
157 | } else { | ||
158 | if (flow_type == IRQ_TYPE_NONE) | ||
159 | flow_type = IRQ_TYPE_LEVEL_LOW; | ||
160 | |||
161 | if (flow_type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_LEVEL_HIGH)) | ||
162 | goto err_sense; | ||
153 | } | 163 | } |
154 | 164 | ||
155 | desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); | 165 | desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); |
@@ -181,6 +191,10 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type) | |||
181 | if (vold != vnew) | 191 | if (vold != vnew) |
182 | out_be32(&cpm2_intctl->ic_siexr, vnew); | 192 | out_be32(&cpm2_intctl->ic_siexr, vnew); |
183 | return 0; | 193 | return 0; |
194 | |||
195 | err_sense: | ||
196 | pr_err("CPM2 PIC: sense type 0x%x not supported\n", flow_type); | ||
197 | return -EINVAL; | ||
184 | } | 198 | } |
185 | 199 | ||
186 | static struct irq_chip cpm2_pic = { | 200 | static struct irq_chip cpm2_pic = { |
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 4e3a3e345ab3..e1a028c1f18d 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c | |||
@@ -464,8 +464,7 @@ static void __iomem *mpc83xx_pcie_remap_cfg(struct pci_bus *bus, | |||
464 | { | 464 | { |
465 | struct pci_controller *hose = pci_bus_to_host(bus); | 465 | struct pci_controller *hose = pci_bus_to_host(bus); |
466 | struct mpc83xx_pcie_priv *pcie = hose->dn->data; | 466 | struct mpc83xx_pcie_priv *pcie = hose->dn->data; |
467 | u8 bus_no = bus->number - hose->first_busno; | 467 | u32 dev_base = bus->number << 24 | devfn << 16; |
468 | u32 dev_base = bus_no << 24 | devfn << 16; | ||
469 | int ret; | 468 | int ret; |
470 | 469 | ||
471 | ret = mpc83xx_pcie_exclude_device(bus, devfn); | 470 | ret = mpc83xx_pcie_exclude_device(bus, devfn); |
@@ -515,12 +514,17 @@ static int mpc83xx_pcie_read_config(struct pci_bus *bus, unsigned int devfn, | |||
515 | static int mpc83xx_pcie_write_config(struct pci_bus *bus, unsigned int devfn, | 514 | static int mpc83xx_pcie_write_config(struct pci_bus *bus, unsigned int devfn, |
516 | int offset, int len, u32 val) | 515 | int offset, int len, u32 val) |
517 | { | 516 | { |
517 | struct pci_controller *hose = pci_bus_to_host(bus); | ||
518 | void __iomem *cfg_addr; | 518 | void __iomem *cfg_addr; |
519 | 519 | ||
520 | cfg_addr = mpc83xx_pcie_remap_cfg(bus, devfn, offset); | 520 | cfg_addr = mpc83xx_pcie_remap_cfg(bus, devfn, offset); |
521 | if (!cfg_addr) | 521 | if (!cfg_addr) |
522 | return PCIBIOS_DEVICE_NOT_FOUND; | 522 | return PCIBIOS_DEVICE_NOT_FOUND; |
523 | 523 | ||
524 | /* PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS */ | ||
525 | if (offset == PCI_PRIMARY_BUS && bus->number == hose->first_busno) | ||
526 | val &= 0xffffff00; | ||
527 | |||
524 | switch (len) { | 528 | switch (len) { |
525 | case 1: | 529 | case 1: |
526 | out_8(cfg_addr, val); | 530 | out_8(cfg_addr, val); |
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c index 103eace36194..ee1c0e1cf4a7 100644 --- a/arch/powerpc/sysdev/mpc8xxx_gpio.c +++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c | |||
@@ -54,6 +54,22 @@ static void mpc8xxx_gpio_save_regs(struct of_mm_gpio_chip *mm) | |||
54 | mpc8xxx_gc->data = in_be32(mm->regs + GPIO_DAT); | 54 | mpc8xxx_gc->data = in_be32(mm->regs + GPIO_DAT); |
55 | } | 55 | } |
56 | 56 | ||
57 | /* Workaround GPIO 1 errata on MPC8572/MPC8536. The status of GPIOs | ||
58 | * defined as output cannot be determined by reading GPDAT register, | ||
59 | * so we use shadow data register instead. The status of input pins | ||
60 | * is determined by reading GPDAT register. | ||
61 | */ | ||
62 | static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio) | ||
63 | { | ||
64 | u32 val; | ||
65 | struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); | ||
66 | struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm); | ||
67 | |||
68 | val = in_be32(mm->regs + GPIO_DAT) & ~in_be32(mm->regs + GPIO_DIR); | ||
69 | |||
70 | return (val | mpc8xxx_gc->data) & mpc8xxx_gpio2mask(gpio); | ||
71 | } | ||
72 | |||
57 | static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio) | 73 | static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio) |
58 | { | 74 | { |
59 | struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); | 75 | struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); |
@@ -136,7 +152,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np) | |||
136 | gc->ngpio = MPC8XXX_GPIO_PINS; | 152 | gc->ngpio = MPC8XXX_GPIO_PINS; |
137 | gc->direction_input = mpc8xxx_gpio_dir_in; | 153 | gc->direction_input = mpc8xxx_gpio_dir_in; |
138 | gc->direction_output = mpc8xxx_gpio_dir_out; | 154 | gc->direction_output = mpc8xxx_gpio_dir_out; |
139 | gc->get = mpc8xxx_gpio_get; | 155 | if (of_device_is_compatible(np, "fsl,mpc8572-gpio")) |
156 | gc->get = mpc8572_gpio_get; | ||
157 | else | ||
158 | gc->get = mpc8xxx_gpio_get; | ||
140 | gc->set = mpc8xxx_gpio_set; | 159 | gc->set = mpc8xxx_gpio_set; |
141 | 160 | ||
142 | ret = of_mm_gpiochip_add(np, mm_gc); | 161 | ret = of_mm_gpiochip_add(np, mm_gc); |
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index aa9d06e5925b..470dc6c11d57 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c | |||
@@ -567,13 +567,11 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic) | |||
567 | #endif /* CONFIG_MPIC_U3_HT_IRQS */ | 567 | #endif /* CONFIG_MPIC_U3_HT_IRQS */ |
568 | 568 | ||
569 | #ifdef CONFIG_SMP | 569 | #ifdef CONFIG_SMP |
570 | static int irq_choose_cpu(unsigned int virt_irq) | 570 | static int irq_choose_cpu(const cpumask_t *mask) |
571 | { | 571 | { |
572 | cpumask_t mask; | ||
573 | int cpuid; | 572 | int cpuid; |
574 | 573 | ||
575 | cpumask_copy(&mask, irq_to_desc(virt_irq)->affinity); | 574 | if (cpumask_equal(mask, cpu_all_mask)) { |
576 | if (cpus_equal(mask, CPU_MASK_ALL)) { | ||
577 | static int irq_rover; | 575 | static int irq_rover; |
578 | static DEFINE_SPINLOCK(irq_rover_lock); | 576 | static DEFINE_SPINLOCK(irq_rover_lock); |
579 | unsigned long flags; | 577 | unsigned long flags; |
@@ -594,20 +592,15 @@ static int irq_choose_cpu(unsigned int virt_irq) | |||
594 | 592 | ||
595 | spin_unlock_irqrestore(&irq_rover_lock, flags); | 593 | spin_unlock_irqrestore(&irq_rover_lock, flags); |
596 | } else { | 594 | } else { |
597 | cpumask_t tmp; | 595 | cpuid = cpumask_first_and(mask, cpu_online_mask); |
598 | 596 | if (cpuid >= nr_cpu_ids) | |
599 | cpus_and(tmp, cpu_online_map, mask); | ||
600 | |||
601 | if (cpus_empty(tmp)) | ||
602 | goto do_round_robin; | 597 | goto do_round_robin; |
603 | |||
604 | cpuid = first_cpu(tmp); | ||
605 | } | 598 | } |
606 | 599 | ||
607 | return get_hard_smp_processor_id(cpuid); | 600 | return get_hard_smp_processor_id(cpuid); |
608 | } | 601 | } |
609 | #else | 602 | #else |
610 | static int irq_choose_cpu(unsigned int virt_irq) | 603 | static int irq_choose_cpu(const cpumask_t *mask) |
611 | { | 604 | { |
612 | return hard_smp_processor_id(); | 605 | return hard_smp_processor_id(); |
613 | } | 606 | } |
@@ -816,7 +809,7 @@ int mpic_set_affinity(unsigned int irq, const struct cpumask *cpumask) | |||
816 | unsigned int src = mpic_irq_to_hw(irq); | 809 | unsigned int src = mpic_irq_to_hw(irq); |
817 | 810 | ||
818 | if (mpic->flags & MPIC_SINGLE_DEST_CPU) { | 811 | if (mpic->flags & MPIC_SINGLE_DEST_CPU) { |
819 | int cpuid = irq_choose_cpu(irq); | 812 | int cpuid = irq_choose_cpu(cpumask); |
820 | 813 | ||
821 | mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid); | 814 | mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION), 1 << cpuid); |
822 | } else { | 815 | } else { |
diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c index 1d44eee80fa1..0f67cd79d481 100644 --- a/arch/powerpc/sysdev/mpic_msi.c +++ b/arch/powerpc/sysdev/mpic_msi.c | |||
@@ -39,7 +39,12 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) | |||
39 | 39 | ||
40 | pr_debug("mpic: found U3, guessing msi allocator setup\n"); | 40 | pr_debug("mpic: found U3, guessing msi allocator setup\n"); |
41 | 41 | ||
42 | /* Reserve source numbers we know are reserved in the HW */ | 42 | /* Reserve source numbers we know are reserved in the HW. |
43 | * | ||
44 | * This is a bit of a mix of U3 and U4 reserves but that's going | ||
45 | * to work fine, we have plenty enugh numbers left so let's just | ||
46 | * mark anything we don't like reserved. | ||
47 | */ | ||
43 | for (i = 0; i < 8; i++) | 48 | for (i = 0; i < 8; i++) |
44 | msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); | 49 | msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); |
45 | 50 | ||
@@ -49,6 +54,10 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) | |||
49 | for (i = 100; i < 105; i++) | 54 | for (i = 100; i < 105; i++) |
50 | msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); | 55 | msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); |
51 | 56 | ||
57 | for (i = 124; i < mpic->irq_count; i++) | ||
58 | msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); | ||
59 | |||
60 | |||
52 | np = NULL; | 61 | np = NULL; |
53 | while ((np = of_find_all_nodes(np))) { | 62 | while ((np = of_find_all_nodes(np))) { |
54 | pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); | 63 | pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); |
diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index d3caf23e6312..bcbfe79c704b 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c | |||
@@ -64,12 +64,12 @@ static u64 read_ht_magic_addr(struct pci_dev *pdev, unsigned int pos) | |||
64 | return addr; | 64 | return addr; |
65 | } | 65 | } |
66 | 66 | ||
67 | static u64 find_ht_magic_addr(struct pci_dev *pdev) | 67 | static u64 find_ht_magic_addr(struct pci_dev *pdev, unsigned int hwirq) |
68 | { | 68 | { |
69 | struct pci_bus *bus; | 69 | struct pci_bus *bus; |
70 | unsigned int pos; | 70 | unsigned int pos; |
71 | 71 | ||
72 | for (bus = pdev->bus; bus; bus = bus->parent) { | 72 | for (bus = pdev->bus; bus && bus->self; bus = bus->parent) { |
73 | pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING); | 73 | pos = pci_find_ht_capability(bus->self, HT_CAPTYPE_MSI_MAPPING); |
74 | if (pos) | 74 | if (pos) |
75 | return read_ht_magic_addr(bus->self, pos); | 75 | return read_ht_magic_addr(bus->self, pos); |
@@ -78,13 +78,41 @@ static u64 find_ht_magic_addr(struct pci_dev *pdev) | |||
78 | return 0; | 78 | return 0; |
79 | } | 79 | } |
80 | 80 | ||
81 | static u64 find_u4_magic_addr(struct pci_dev *pdev, unsigned int hwirq) | ||
82 | { | ||
83 | struct pci_controller *hose = pci_bus_to_host(pdev->bus); | ||
84 | |||
85 | /* U4 PCIe MSIs need to write to the special register in | ||
86 | * the bridge that generates interrupts. There should be | ||
87 | * theorically a register at 0xf8005000 where you just write | ||
88 | * the MSI number and that triggers the right interrupt, but | ||
89 | * unfortunately, this is busted in HW, the bridge endian swaps | ||
90 | * the value and hits the wrong nibble in the register. | ||
91 | * | ||
92 | * So instead we use another register set which is used normally | ||
93 | * for converting HT interrupts to MPIC interrupts, which decodes | ||
94 | * the interrupt number as part of the low address bits | ||
95 | * | ||
96 | * This will not work if we ever use more than one legacy MSI in | ||
97 | * a block but we never do. For one MSI or multiple MSI-X where | ||
98 | * each interrupt address can be specified separately, it works | ||
99 | * just fine. | ||
100 | */ | ||
101 | if (of_device_is_compatible(hose->dn, "u4-pcie") || | ||
102 | of_device_is_compatible(hose->dn, "U4-pcie")) | ||
103 | return 0xf8004000 | (hwirq << 4); | ||
104 | |||
105 | return 0; | ||
106 | } | ||
107 | |||
81 | static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type) | 108 | static int u3msi_msi_check_device(struct pci_dev *pdev, int nvec, int type) |
82 | { | 109 | { |
83 | if (type == PCI_CAP_ID_MSIX) | 110 | if (type == PCI_CAP_ID_MSIX) |
84 | pr_debug("u3msi: MSI-X untested, trying anyway.\n"); | 111 | pr_debug("u3msi: MSI-X untested, trying anyway.\n"); |
85 | 112 | ||
86 | /* If we can't find a magic address then MSI ain't gonna work */ | 113 | /* If we can't find a magic address then MSI ain't gonna work */ |
87 | if (find_ht_magic_addr(pdev) == 0) { | 114 | if (find_ht_magic_addr(pdev, 0) == 0 && |
115 | find_u4_magic_addr(pdev, 0) == 0) { | ||
88 | pr_debug("u3msi: no magic address found for %s\n", | 116 | pr_debug("u3msi: no magic address found for %s\n", |
89 | pci_name(pdev)); | 117 | pci_name(pdev)); |
90 | return -ENXIO; | 118 | return -ENXIO; |
@@ -118,10 +146,6 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) | |||
118 | u64 addr; | 146 | u64 addr; |
119 | int hwirq; | 147 | int hwirq; |
120 | 148 | ||
121 | addr = find_ht_magic_addr(pdev); | ||
122 | msg.address_lo = addr & 0xFFFFFFFF; | ||
123 | msg.address_hi = addr >> 32; | ||
124 | |||
125 | list_for_each_entry(entry, &pdev->msi_list, list) { | 149 | list_for_each_entry(entry, &pdev->msi_list, list) { |
126 | hwirq = msi_bitmap_alloc_hwirqs(&msi_mpic->msi_bitmap, 1); | 150 | hwirq = msi_bitmap_alloc_hwirqs(&msi_mpic->msi_bitmap, 1); |
127 | if (hwirq < 0) { | 151 | if (hwirq < 0) { |
@@ -129,6 +153,12 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) | |||
129 | return hwirq; | 153 | return hwirq; |
130 | } | 154 | } |
131 | 155 | ||
156 | addr = find_ht_magic_addr(pdev, hwirq); | ||
157 | if (addr == 0) | ||
158 | addr = find_u4_magic_addr(pdev, hwirq); | ||
159 | msg.address_lo = addr & 0xFFFFFFFF; | ||
160 | msg.address_hi = addr >> 32; | ||
161 | |||
132 | virq = irq_create_mapping(msi_mpic->irqhost, hwirq); | 162 | virq = irq_create_mapping(msi_mpic->irqhost, hwirq); |
133 | if (virq == NO_IRQ) { | 163 | if (virq == NO_IRQ) { |
134 | pr_debug("u3msi: failed mapping hwirq 0x%x\n", hwirq); | 164 | pr_debug("u3msi: failed mapping hwirq 0x%x\n", hwirq); |
@@ -143,6 +173,8 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) | |||
143 | pr_debug("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n", | 173 | pr_debug("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n", |
144 | virq, hwirq, (unsigned long)addr); | 174 | virq, hwirq, (unsigned long)addr); |
145 | 175 | ||
176 | printk("u3msi: allocated virq 0x%x (hw 0x%x) addr 0x%lx\n", | ||
177 | virq, hwirq, (unsigned long)addr); | ||
146 | msg.data = hwirq; | 178 | msg.data = hwirq; |
147 | write_msi_msg(virq, &msg); | 179 | write_msi_msg(virq, &msg); |
148 | 180 | ||