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authorH. Peter Anvin <hpa@linux.intel.com>2014-02-07 23:27:30 +0400
committerH. Peter Anvin <hpa@linux.intel.com>2014-02-07 23:27:30 +0400
commita3b072cd180c12e8fe0ece9487b9065808327640 (patch)
tree62b982041be84748852d77cdf6ca5639ef40858f /drivers/w1/w1_int.c
parent75a1ba5b2c529db60ca49626bcaf0bddf4548438 (diff)
parent081cd62a010f97b5bc1d2b0cd123c5abc692b68a (diff)
downloadlinux-a3b072cd180c12e8fe0ece9487b9065808327640.tar.xz
Merge tag 'efi-urgent' into x86/urgent
* Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit). Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/w1/w1_int.c')
-rw-r--r--drivers/w1/w1_int.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index 5a98649f6abc..590bd8a7cd1b 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -117,18 +117,6 @@ int w1_add_master_device(struct w1_bus_master *master)
printk(KERN_ERR "w1_add_master_device: invalid function set\n");
return(-EINVAL);
}
- /* While it would be electrically possible to make a device that
- * generated a strong pullup in bit bang mode, only hardware that
- * controls 1-wire time frames are even expected to support a strong
- * pullup. w1_io.c would need to support calling set_pullup before
- * the last write_bit operation of a w1_write_8 which it currently
- * doesn't.
- */
- if (!master->write_byte && !master->touch_bit && master->set_pullup) {
- printk(KERN_ERR "w1_add_master_device: set_pullup requires "
- "write_byte or touch_bit, disabling\n");
- master->set_pullup = NULL;
- }
/* Lock until the device is added (or not) to w1_masters. */
mutex_lock(&w1_mlock);