diff options
| author | Felipe Balbi <balbi@ti.com> | 2015-01-19 09:57:20 -0600 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-19 09:57:20 -0600 |
| commit | d1fc4440d761af47fd0c32661725011bf66ebb51 (patch) | |
| tree | d2fdfe049eac9b45a9418bd1be103297b1c0c55e /drivers/misc/mei/hw-me.c | |
| parent | fe198e34a44ce7f27e39c303d62a754129938194 (diff) | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
Merge tag 'v3.19-rc5' into next
Linux 3.19-rc5
Conflicts:
drivers/usb/dwc2/gadget.c
drivers/usb/gadget/udc/bdc/bdc_ep.c
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index ff2755062b44..06ff0a2ec960 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -234,6 +234,18 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) struct mei_me_hw *hw = to_me_hw(dev); u32 hcsr = mei_hcsr_read(hw); + /* H_RST may be found lit before reset is started, + * for example if preceding reset flow hasn't completed. + * In that case asserting H_RST will be ignored, therefore + * we need to clean H_RST bit to start a successful reset sequence. + */ + if ((hcsr & H_RST) == H_RST) { + dev_warn(dev->dev, "H_RST is set = 0x%08X", hcsr); + hcsr &= ~H_RST; + mei_me_reg_write(hw, H_CSR, hcsr); + hcsr = mei_hcsr_read(hw); + } + hcsr |= H_RST | H_IG | H_IS; if (intr_enable) |