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path: root/drivers/net/wan/cycx_drv.c
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Diffstat (limited to 'drivers/net/wan/cycx_drv.c')
-rw-r--r--drivers/net/wan/cycx_drv.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/net/wan/cycx_drv.c b/drivers/net/wan/cycx_drv.c
index 6e74af62ca08..9e56fc346ba4 100644
--- a/drivers/net/wan/cycx_drv.c
+++ b/drivers/net/wan/cycx_drv.c
@@ -56,7 +56,7 @@
56#include <linux/sched.h> /* for jiffies, HZ, etc. */ 56#include <linux/sched.h> /* for jiffies, HZ, etc. */
57#include <linux/cycx_drv.h> /* API definitions */ 57#include <linux/cycx_drv.h> /* API definitions */
58#include <linux/cycx_cfm.h> /* CYCX firmware module definitions */ 58#include <linux/cycx_cfm.h> /* CYCX firmware module definitions */
59#include <linux/delay.h> /* udelay */ 59#include <linux/delay.h> /* udelay, msleep_interruptible */
60#include <asm/io.h> /* read[wl], write[wl], ioremap, iounmap */ 60#include <asm/io.h> /* read[wl], write[wl], ioremap, iounmap */
61 61
62#define MOD_VERSION 0 62#define MOD_VERSION 0
@@ -74,7 +74,6 @@ static int reset_cyc2x(void __iomem *addr);
74static int detect_cyc2x(void __iomem *addr); 74static int detect_cyc2x(void __iomem *addr);
75 75
76/* Miscellaneous functions */ 76/* Miscellaneous functions */
77static void delay_cycx(int sec);
78static int get_option_index(long *optlist, long optval); 77static int get_option_index(long *optlist, long optval);
79static u16 checksum(u8 *buf, u32 len); 78static u16 checksum(u8 *buf, u32 len);
80 79
@@ -259,7 +258,7 @@ static int memory_exists(void __iomem *addr)
259 if (readw(addr + 0x10) == TEST_PATTERN) 258 if (readw(addr + 0x10) == TEST_PATTERN)
260 return 1; 259 return 1;
261 260
262 delay_cycx(1); 261 msleep_interruptible(1 * 1000);
263 } 262 }
264 263
265 return 0; 264 return 0;
@@ -316,7 +315,7 @@ static void cycx_reset_boot(void __iomem *addr, u8 *code, u32 len)
316 315
317 /* 80186 was in hold, go */ 316 /* 80186 was in hold, go */
318 writeb(0, addr + START_CPU); 317 writeb(0, addr + START_CPU);
319 delay_cycx(1); 318 msleep_interruptible(1 * 1000);
320} 319}
321 320
322/* Load data.bin file through boot (reset) interface. */ 321/* Load data.bin file through boot (reset) interface. */
@@ -462,13 +461,13 @@ static int load_cyc2x(struct cycx_hw *hw, struct cycx_firmware *cfm, u32 len)
462 cycx_reset_boot(hw->dpmbase, reset_image, img_hdr->reset_size); 461 cycx_reset_boot(hw->dpmbase, reset_image, img_hdr->reset_size);
463 /* reset is waiting for boot */ 462 /* reset is waiting for boot */
464 writew(GEN_POWER_ON, pt_cycld); 463 writew(GEN_POWER_ON, pt_cycld);
465 delay_cycx(1); 464 msleep_interruptible(1 * 1000);
466 465
467 for (j = 0 ; j < 3 ; j++) 466 for (j = 0 ; j < 3 ; j++)
468 if (!readw(pt_cycld)) 467 if (!readw(pt_cycld))
469 goto reset_loaded; 468 goto reset_loaded;
470 else 469 else
471 delay_cycx(1); 470 msleep_interruptible(1 * 1000);
472 } 471 }
473 472
474 printk(KERN_ERR "%s: reset not started.\n", modname); 473 printk(KERN_ERR "%s: reset not started.\n", modname);
@@ -495,7 +494,7 @@ reset_loaded:
495 494
496 /* Arthur Ganzert's tip: wait a while after the firmware loading... 495 /* Arthur Ganzert's tip: wait a while after the firmware loading...
497 seg abr 26 17:17:12 EST 1999 - acme */ 496 seg abr 26 17:17:12 EST 1999 - acme */
498 delay_cycx(7); 497 msleep_interruptible(7 * 1000);
499 printk(KERN_INFO "%s: firmware loaded!\n", modname); 498 printk(KERN_INFO "%s: firmware loaded!\n", modname);
500 499
501 /* enable interrupts */ 500 /* enable interrupts */
@@ -547,20 +546,13 @@ static int get_option_index(long *optlist, long optval)
547static int reset_cyc2x(void __iomem *addr) 546static int reset_cyc2x(void __iomem *addr)
548{ 547{
549 writeb(0, addr + RST_ENABLE); 548 writeb(0, addr + RST_ENABLE);
550 delay_cycx(2); 549 msleep_interruptible(2 * 1000);
551 writeb(0, addr + RST_DISABLE); 550 writeb(0, addr + RST_DISABLE);
552 delay_cycx(2); 551 msleep_interruptible(2 * 1000);
553 552
554 return memory_exists(addr); 553 return memory_exists(addr);
555} 554}
556 555
557/* Delay */
558static void delay_cycx(int sec)
559{
560 set_current_state(TASK_INTERRUPTIBLE);
561 schedule_timeout(sec * HZ);
562}
563
564/* Calculate 16-bit CRC using CCITT polynomial. */ 556/* Calculate 16-bit CRC using CCITT polynomial. */
565static u16 checksum(u8 *buf, u32 len) 557static u16 checksum(u8 *buf, u32 len)
566{ 558{