diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/bfin_jtag_comm.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/char/bfin_jtag_comm.c b/drivers/char/bfin_jtag_comm.c index 44c113d56045..1d7c34c73b20 100644 --- a/drivers/char/bfin_jtag_comm.c +++ b/drivers/char/bfin_jtag_comm.c @@ -8,6 +8,10 @@ * Licensed under the GPL-2 or later. */ +#define DRV_NAME "bfin-jtag-comm" +#define DEV_NAME "ttyBFJC" +#define pr_fmt(fmt) DRV_NAME ": " fmt + #include <linux/circ_buf.h> #include <linux/console.h> #include <linux/delay.h> @@ -22,18 +26,14 @@ #include <linux/tty_flip.h> #include <asm/atomic.h> +#define pr_init(fmt, args...) ({ static const __initconst char __fmt[] = fmt; printk(__fmt, ## args); }) + /* See the Debug/Emulation chapter in the HRM */ #define EMUDOF 0x00000001 /* EMUDAT_OUT full & valid */ #define EMUDIF 0x00000002 /* EMUDAT_IN full & valid */ #define EMUDOOVF 0x00000004 /* EMUDAT_OUT overflow */ #define EMUDIOVF 0x00000008 /* EMUDAT_IN overflow */ -#define DRV_NAME "bfin-jtag-comm" -#define DEV_NAME "ttyBFJC" - -#define pr_init(fmt, args...) ({ static const __initdata char __fmt[] = fmt; printk(__fmt, ## args); }) -#define debug(fmt, args...) pr_debug(DRV_NAME ": " fmt, ## args) - static inline uint32_t bfin_write_emudat(uint32_t emudat) { __asm__ __volatile__("emudat = %0;" : : "d"(emudat)); @@ -74,7 +74,7 @@ bfin_jc_emudat_manager(void *arg) while (!kthread_should_stop()) { /* no one left to give data to, so sleep */ if (bfin_jc_tty == NULL && circ_empty(&bfin_jc_write_buf)) { - debug("waiting for readers\n"); + pr_debug("waiting for readers\n"); __set_current_state(TASK_UNINTERRUPTIBLE); schedule(); __set_current_state(TASK_RUNNING); @@ -82,7 +82,7 @@ bfin_jc_emudat_manager(void *arg) /* no data available, so just chill */ if (!(bfin_read_DBGSTAT() & EMUDIF) && circ_empty(&bfin_jc_write_buf)) { - debug("waiting for data (in_len = %i) (circ: %i %i)\n", + pr_debug("waiting for data (in_len = %i) (circ: %i %i)\n", inbound_len, bfin_jc_write_buf.tail, bfin_jc_write_buf.head); if (inbound_len) schedule(); @@ -99,11 +99,11 @@ bfin_jc_emudat_manager(void *arg) if (tty != NULL) { uint32_t emudat = bfin_read_emudat(); if (inbound_len == 0) { - debug("incoming length: 0x%08x\n", emudat); + pr_debug("incoming length: 0x%08x\n", emudat); inbound_len = emudat; } else { size_t num_chars = (4 <= inbound_len ? 4 : inbound_len); - debug(" incoming data: 0x%08x (pushing %zu)\n", emudat, num_chars); + pr_debug(" incoming data: 0x%08x (pushing %zu)\n", emudat, num_chars); inbound_len -= num_chars; tty_insert_flip_string(tty, (unsigned char *)&emudat, num_chars); tty_flip_buffer_push(tty); @@ -117,7 +117,7 @@ bfin_jc_emudat_manager(void *arg) if (outbound_len == 0) { outbound_len = circ_cnt(&bfin_jc_write_buf); bfin_write_emudat(outbound_len); - debug("outgoing length: 0x%08x\n", outbound_len); + pr_debug("outgoing length: 0x%08x\n", outbound_len); } else { struct tty_struct *tty; int tail = bfin_jc_write_buf.tail; @@ -136,7 +136,7 @@ bfin_jc_emudat_manager(void *arg) if (tty) tty_wakeup(tty); mutex_unlock(&bfin_jc_tty_mutex); - debug(" outgoing data: 0x%08x (pushing %zu)\n", emudat, ate); + pr_debug(" outgoing data: 0x%08x (pushing %zu)\n", emudat, ate); } } } @@ -149,7 +149,7 @@ static int bfin_jc_open(struct tty_struct *tty, struct file *filp) { mutex_lock(&bfin_jc_tty_mutex); - debug("open %lu\n", bfin_jc_count); + pr_debug("open %lu\n", bfin_jc_count); ++bfin_jc_count; bfin_jc_tty = tty; wake_up_process(bfin_jc_kthread); @@ -161,7 +161,7 @@ static void bfin_jc_close(struct tty_struct *tty, struct file *filp) { mutex_lock(&bfin_jc_tty_mutex); - debug("close %lu\n", bfin_jc_count); + pr_debug("close %lu\n", bfin_jc_count); if (--bfin_jc_count == 0) bfin_jc_tty = NULL; wake_up_process(bfin_jc_kthread); @@ -174,7 +174,7 @@ bfin_jc_circ_write(const unsigned char *buf, int count) { int i; count = min(count, circ_free(&bfin_jc_write_buf)); - debug("going to write chunk of %i bytes\n", count); + pr_debug("going to write chunk of %i bytes\n", count); for (i = 0; i < count; ++i) circ_byte(&bfin_jc_write_buf, bfin_jc_write_buf.head + i) = buf[i]; bfin_jc_write_buf.head += i; |