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| author | David S. Miller <davem@davemloft.net> | 2015-01-27 16:59:56 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-27 16:59:56 -0800 |
| commit | 95f873f2fff96c592c5d863e2a39825bd8bf0500 (patch) | |
| tree | 0d2dd664964ba2c701aefea5b4d1e85b481045e1 /drivers/misc/mei/hw-me.c | |
| parent | 8ea65f4a2dfaaf494ef42a16cbf2fea39b07450f (diff) | |
| parent | 59343cd7c4809cf7598789e1cd14563780ae4239 (diff) | |
| download | lwn-95f873f2fff96c592c5d863e2a39825bd8bf0500.tar.gz lwn-95f873f2fff96c592c5d863e2a39825bd8bf0500.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
arch/arm/boot/dts/imx6sx-sdb.dts
net/sched/cls_bpf.c
Two simple sets of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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) |