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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-01 11:51:25 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-01 11:51:25 -0400
commitb904d7131d116900524bd36ec170dcd97846bfd3 (patch)
treeacd97b3f0027a8dd8659181a316677ee9f578bcc /arch/cris/arch-v32
parent2e8949f09e3097c629f33323eaf280cf5c88c81a (diff)
parent4150764fbba03ce4675b02b10872c665bb05a8aa (diff)
Merge branch 'for-linus' of git://www.jni.nu/cris
* 'for-linus' of git://www.jni.nu/cris: CRIS: Don't use mask_irq as symbol name CRIS: Simplify param.h by simply including <asm-generic/param.h> CRISv10: Whitespace fixes for hw_settings.S CRISv10: Trivial fixes. CRISv32: Fix RS485 port 4 CD Kconfig item. CRISv32: Remove duplicated Kconfig items. cris: push down BKL into some device drivers
Diffstat (limited to 'arch/cris/arch-v32')
-rw-r--r--arch/cris/arch-v32/drivers/Kconfig16
-rw-r--r--arch/cris/arch-v32/drivers/i2c.c22
-rw-r--r--arch/cris/arch-v32/drivers/pcf8563.c21
-rw-r--r--arch/cris/arch-v32/kernel/crisksyms.c4
-rw-r--r--arch/cris/arch-v32/kernel/irq.c14
-rw-r--r--arch/cris/arch-v32/kernel/smp.c4
6 files changed, 41 insertions, 40 deletions
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig
index b9e328e688be..a2dd740c5907 100644
--- a/arch/cris/arch-v32/drivers/Kconfig
+++ b/arch/cris/arch-v32/drivers/Kconfig
@@ -360,24 +360,10 @@ config ETRAX_SER4_DSR_BIT
360 string "Ser 4 DSR bit (empty = not used)" 360 string "Ser 4 DSR bit (empty = not used)"
361 depends on ETRAX_SERIAL_PORT4 361 depends on ETRAX_SERIAL_PORT4
362 362
363config ETRAX_SER3_CD_BIT 363config ETRAX_SER4_CD_BIT
364 string "Ser 4 CD bit (empty = not used)" 364 string "Ser 4 CD bit (empty = not used)"
365 depends on ETRAX_SERIAL_PORT4 365 depends on ETRAX_SERIAL_PORT4
366 366
367config ETRAX_RS485
368 bool "RS-485 support"
369 depends on ETRAXFS_SERIAL
370 help
371 Enables support for RS-485 serial communication. For a primer on
372 RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>.
373
374config ETRAX_RS485_DISABLE_RECEIVER
375 bool "Disable serial receiver"
376 depends on ETRAX_RS485
377 help
378 It is necessary to disable the serial receiver to avoid serial
379 loopback. Not all products are able to do this in software only.
380
381config ETRAX_SYNCHRONOUS_SERIAL 367config ETRAX_SYNCHRONOUS_SERIAL
382 bool "Synchronous serial-port support" 368 bool "Synchronous serial-port support"
383 depends on ETRAX_ARCH_V32 369 depends on ETRAX_ARCH_V32
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index 506826399ae7..2fd6a740d895 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/arch/cris/arch-v32/drivers/i2c.c
@@ -649,10 +649,10 @@ i2c_release(struct inode *inode, struct file *filp)
649/* Main device API. ioctl's to write or read to/from i2c registers. 649/* Main device API. ioctl's to write or read to/from i2c registers.
650 */ 650 */
651 651
652static int 652static long
653i2c_ioctl(struct inode *inode, struct file *file, 653i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
654 unsigned int cmd, unsigned long arg)
655{ 654{
655 int ret;
656 if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { 656 if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) {
657 return -ENOTTY; 657 return -ENOTTY;
658 } 658 }
@@ -665,9 +665,13 @@ i2c_ioctl(struct inode *inode, struct file *file,
665 I2C_ARGREG(arg), 665 I2C_ARGREG(arg),
666 I2C_ARGVALUE(arg))); 666 I2C_ARGVALUE(arg)));
667 667
668 return i2c_writereg(I2C_ARGSLAVE(arg), 668 lock_kernel();
669 ret = i2c_writereg(I2C_ARGSLAVE(arg),
669 I2C_ARGREG(arg), 670 I2C_ARGREG(arg),
670 I2C_ARGVALUE(arg)); 671 I2C_ARGVALUE(arg));
672 unlock_kernel();
673 return ret;
674
671 case I2C_READREG: 675 case I2C_READREG:
672 { 676 {
673 unsigned char val; 677 unsigned char val;
@@ -675,7 +679,9 @@ i2c_ioctl(struct inode *inode, struct file *file,
675 D(printk("i2cr %d %d ", 679 D(printk("i2cr %d %d ",
676 I2C_ARGSLAVE(arg), 680 I2C_ARGSLAVE(arg),
677 I2C_ARGREG(arg))); 681 I2C_ARGREG(arg)));
682 lock_kernel();
678 val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); 683 val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
684 unlock_kernel();
679 D(printk("= %d\n", val)); 685 D(printk("= %d\n", val));
680 return val; 686 return val;
681 } 687 }
@@ -688,10 +694,10 @@ i2c_ioctl(struct inode *inode, struct file *file,
688} 694}
689 695
690static const struct file_operations i2c_fops = { 696static const struct file_operations i2c_fops = {
691 .owner = THIS_MODULE, 697 .owner = THIS_MODULE,
692 .ioctl = i2c_ioctl, 698 .unlocked_ioctl = i2c_ioctl,
693 .open = i2c_open, 699 .open = i2c_open,
694 .release = i2c_release, 700 .release = i2c_release,
695}; 701};
696 702
697static int __init i2c_init(void) 703static int __init i2c_init(void)
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index f4478506e52c..bef6eb53b153 100644
--- a/arch/cris/arch-v32/drivers/pcf8563.c
+++ b/arch/cris/arch-v32/drivers/pcf8563.c
@@ -24,6 +24,7 @@
24#include <linux/init.h> 24#include <linux/init.h>
25#include <linux/fs.h> 25#include <linux/fs.h>
26#include <linux/ioctl.h> 26#include <linux/ioctl.h>
27#include <linux/smp_lock.h>
27#include <linux/delay.h> 28#include <linux/delay.h>
28#include <linux/bcd.h> 29#include <linux/bcd.h>
29#include <linux/mutex.h> 30#include <linux/mutex.h>
@@ -49,7 +50,7 @@ static DEFINE_MUTEX(rtc_lock); /* Protect state etc */
49static const unsigned char days_in_month[] = 50static const unsigned char days_in_month[] =
50 { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; 51 { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
51 52
52int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long); 53static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
53 54
54/* Cache VL bit value read at driver init since writing the RTC_SECOND 55/* Cache VL bit value read at driver init since writing the RTC_SECOND
55 * register clears the VL status. 56 * register clears the VL status.
@@ -57,8 +58,8 @@ int pcf8563_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
57static int voltage_low; 58static int voltage_low;
58 59
59static const struct file_operations pcf8563_fops = { 60static const struct file_operations pcf8563_fops = {
60 .owner = THIS_MODULE, 61 .owner = THIS_MODULE,
61 .ioctl = pcf8563_ioctl 62 .unlocked_ioctl = pcf8563_unlocked_ioctl,
62}; 63};
63 64
64unsigned char 65unsigned char
@@ -208,8 +209,7 @@ pcf8563_exit(void)
208 * ioctl calls for this driver. Why return -ENOTTY upon error? Because 209 * ioctl calls for this driver. Why return -ENOTTY upon error? Because
209 * POSIX says so! 210 * POSIX says so!
210 */ 211 */
211int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, 212static int pcf8563_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
212 unsigned long arg)
213{ 213{
214 /* Some sanity checks. */ 214 /* Some sanity checks. */
215 if (_IOC_TYPE(cmd) != RTC_MAGIC) 215 if (_IOC_TYPE(cmd) != RTC_MAGIC)
@@ -335,6 +335,17 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
335 return 0; 335 return 0;
336} 336}
337 337
338static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
339{
340 int ret;
341
342 lock_kernel();
343 return pcf8563_ioctl(filp, cmd, arg);
344 unlock_kernel();
345
346 return ret;
347}
348
338static int __init pcf8563_register(void) 349static int __init pcf8563_register(void)
339{ 350{
340 if (pcf8563_init() < 0) { 351 if (pcf8563_init() < 0) {
diff --git a/arch/cris/arch-v32/kernel/crisksyms.c b/arch/cris/arch-v32/kernel/crisksyms.c
index 64933e2c0f5b..bde8d1a10cad 100644
--- a/arch/cris/arch-v32/kernel/crisksyms.c
+++ b/arch/cris/arch-v32/kernel/crisksyms.c
@@ -24,5 +24,5 @@ EXPORT_SYMBOL(crisv32_io_get_name);
24EXPORT_SYMBOL(crisv32_io_get); 24EXPORT_SYMBOL(crisv32_io_get);
25 25
26/* Functions masking/unmasking interrupts */ 26/* Functions masking/unmasking interrupts */
27EXPORT_SYMBOL(mask_irq); 27EXPORT_SYMBOL(crisv32_mask_irq);
28EXPORT_SYMBOL(unmask_irq); 28EXPORT_SYMBOL(crisv32_unmask_irq);
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c
index b6241198fb98..0b1febe44aa3 100644
--- a/arch/cris/arch-v32/kernel/irq.c
+++ b/arch/cris/arch-v32/kernel/irq.c
@@ -280,8 +280,7 @@ out:
280 return cpu; 280 return cpu;
281} 281}
282 282
283void 283void crisv32_mask_irq(int irq)
284mask_irq(int irq)
285{ 284{
286 int cpu; 285 int cpu;
287 286
@@ -289,8 +288,7 @@ mask_irq(int irq)
289 block_irq(irq, cpu); 288 block_irq(irq, cpu);
290} 289}
291 290
292void 291void crisv32_unmask_irq(int irq)
293unmask_irq(int irq)
294{ 292{
295 unblock_irq(irq, irq_cpu(irq)); 293 unblock_irq(irq, irq_cpu(irq));
296} 294}
@@ -298,23 +296,23 @@ unmask_irq(int irq)
298 296
299static unsigned int startup_crisv32_irq(unsigned int irq) 297static unsigned int startup_crisv32_irq(unsigned int irq)
300{ 298{
301 unmask_irq(irq); 299 crisv32_unmask_irq(irq);
302 return 0; 300 return 0;
303} 301}
304 302
305static void shutdown_crisv32_irq(unsigned int irq) 303static void shutdown_crisv32_irq(unsigned int irq)
306{ 304{
307 mask_irq(irq); 305 crisv32_mask_irq(irq);
308} 306}
309 307
310static void enable_crisv32_irq(unsigned int irq) 308static void enable_crisv32_irq(unsigned int irq)
311{ 309{
312 unmask_irq(irq); 310 crisv32_unmask_irq(irq);
313} 311}
314 312
315static void disable_crisv32_irq(unsigned int irq) 313static void disable_crisv32_irq(unsigned int irq)
316{ 314{
317 mask_irq(irq); 315 crisv32_mask_irq(irq);
318} 316}
319 317
320static void ack_crisv32_irq(unsigned int irq) 318static void ack_crisv32_irq(unsigned int irq)
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index 058adddf4e4b..84fed3b4b079 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -168,8 +168,8 @@ void __init smp_callin(void)
168 168
169 /* Enable IRQ and idle */ 169 /* Enable IRQ and idle */
170 REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask); 170 REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask);
171 unmask_irq(IPI_INTR_VECT); 171 crisv32_unmask_irq(IPI_INTR_VECT);
172 unmask_irq(TIMER0_INTR_VECT); 172 crisv32_unmask_irq(TIMER0_INTR_VECT);
173 preempt_disable(); 173 preempt_disable();
174 notify_cpu_starting(cpu); 174 notify_cpu_starting(cpu);
175 local_irq_enable(); 175 local_irq_enable();