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Merge tag 'usb-ci-v4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-next

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Peter writes:

USB: chipidea updates for v4.3-rc1

The main changes are adding several system interfaces for
tuning performance, and each vendors can adjust them according
to their design configurations.

Others are tiny improvements, like more well siTD supports,
USB_DEVICE_A_HNP_SUPPORT supports, etc.
This commit is contained in:
Greg Kroah-Hartman
2015-08-14 16:43:09 -07:00
parent a3fbedf98f 96625eadca
commit 37a842d36f
11 changed files with 202 additions and 32 deletions
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6
drivers/usb/chipidea/debug.c
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@@ -67,9 +67,11 @@ static int ci_port_test_show(struct seq_file *s, void *data)
unsigned long flags;
unsigned mode;
pm_runtime_get_sync(ci->dev);
spin_lock_irqsave(&ci->lock, flags);
mode = hw_port_test_get(ci);
spin_unlock_irqrestore(&ci->lock, flags);
pm_runtime_put_sync(ci->dev);
seq_printf(s, "mode = %u\n", mode);
@@ -99,9 +101,11 @@ static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf,
if (sscanf(buf, "%u", &mode) != 1)
return -EINVAL;
pm_runtime_get_sync(ci->dev);
spin_lock_irqsave(&ci->lock, flags);
ret = hw_port_test_set(ci, mode);
spin_unlock_irqrestore(&ci->lock, flags);
pm_runtime_put_sync(ci->dev);
return ret ? ret : count;
}
@@ -317,8 +321,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf,
if (role == CI_ROLE_END || role == ci->role)
return -EINVAL;
pm_runtime_get_sync(ci->dev);
ci_role_stop(ci);
ret = ci_role_start(ci, role);
pm_runtime_put_sync(ci->dev);
return ret ? ret : count;
}