diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-06-10 14:46:57 +0200 |
| commit | 5be5758c114b18260c6fd4c8373bf89e39b0fe82 (patch) | |
| tree | 54390f904df6ff11e570f764c444356cf2709fda /drivers/misc | |
| parent | 71f66a6580c4e42df377bebbcca5c72661a40700 (diff) | |
| parent | 7f45e5cd1718ed769295033ca214032848a0097d (diff) | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patches against new
code I have in queue.
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/kgdbts.c | 30 | ||||
| -rw-r--r-- | drivers/misc/ti-st/st_core.c | 6 |
2 files changed, 15 insertions, 21 deletions
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c index 74f16f167b8e..8cebec5e85ee 100644 --- a/drivers/misc/kgdbts.c +++ b/drivers/misc/kgdbts.c @@ -285,32 +285,28 @@ static void hw_break_val_write(void) static int check_and_rewind_pc(char *put_str, char *arg) { unsigned long addr = lookup_addr(arg); + unsigned long ip; int offset = 0; kgdb_hex2mem(&put_str[1], (char *)kgdbts_gdb_regs, NUMREGBYTES); gdb_regs_to_pt_regs(kgdbts_gdb_regs, &kgdbts_regs); - v2printk("Stopped at IP: %lx\n", instruction_pointer(&kgdbts_regs)); -#ifdef CONFIG_X86 - /* On x86 a breakpoint stop requires it to be decremented */ - if (addr + 1 == kgdbts_regs.ip) - offset = -1; -#elif defined(CONFIG_SUPERH) - /* On SUPERH a breakpoint stop requires it to be decremented */ - if (addr + 2 == kgdbts_regs.pc) - offset = -2; + ip = instruction_pointer(&kgdbts_regs); + v2printk("Stopped at IP: %lx\n", ip); +#ifdef GDB_ADJUSTS_BREAK_OFFSET + /* On some arches, a breakpoint stop requires it to be decremented */ + if (addr + BREAK_INSTR_SIZE == ip) + offset = -BREAK_INSTR_SIZE; #endif - if (strcmp(arg, "silent") && - instruction_pointer(&kgdbts_regs) + offset != addr) { + if (strcmp(arg, "silent") && ip + offset != addr) { eprintk("kgdbts: BP mismatch %lx expected %lx\n", - instruction_pointer(&kgdbts_regs) + offset, addr); + ip + offset, addr); return 1; } -#ifdef CONFIG_X86 - /* On x86 adjust the instruction pointer if needed */ - kgdbts_regs.ip += offset; -#elif defined(CONFIG_SUPERH) - kgdbts_regs.pc += offset; + /* Readjust the instruction pointer if needed */ + ip += offset; +#ifdef GDB_ADJUSTS_BREAK_OFFSET + instruction_pointer_set(&kgdbts_regs, ip); #endif return 0; } diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c index 1a05fe08e2cb..f91f82eabda7 100644 --- a/drivers/misc/ti-st/st_core.c +++ b/drivers/misc/ti-st/st_core.c @@ -747,8 +747,8 @@ static void st_tty_close(struct tty_struct *tty) pr_debug("%s: done ", __func__); } -static unsigned int st_tty_receive(struct tty_struct *tty, - const unsigned char *data, char *tty_flags, int count) +static void st_tty_receive(struct tty_struct *tty, const unsigned char *data, + char *tty_flags, int count) { #ifdef VERBOSE print_hex_dump(KERN_DEBUG, ">in>", DUMP_PREFIX_NONE, @@ -761,8 +761,6 @@ static unsigned int st_tty_receive(struct tty_struct *tty, */ st_recv(tty->disc_data, data, count); pr_debug("done %s", __func__); - - return count; } /* wake-up function called in from the TTY layer |