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| author | Tomas Winkler <tomas.winkler@intel.com> | 2014-02-19 16:35:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-01 00:15:56 +0100 |
| commit | 6aae48ff18f2fcfb533d2b448ecae16d1de006c1 (patch) | |
| tree | 1e886fe2f579ed8dea6f594219e591f7c6820d89 /drivers/misc/mei/hw-me.c | |
| parent | mei: txe: include irqreturn.h for irqreturn_t etc (diff) | |
| download | linux-6aae48ff18f2fcfb533d2b448ecae16d1de006c1.tar.xz linux-6aae48ff18f2fcfb533d2b448ecae16d1de006c1.zip | |
mei: add mei_hbuf_acquire wrapper
A client has to acquire host buffer
before writing, we add lock like wrapper
to replace the code snippet
if (dev->hbuf_is_ready)
dev->hbuf_is_ready = false;
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 847c9e5746cb..b0c42d6182a6 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -513,6 +513,8 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) } } + dev->hbuf_is_ready = mei_hbuf_is_ready(dev); + rets = mei_irq_write_handler(dev, &complete_list); dev->hbuf_is_ready = mei_hbuf_is_ready(dev); |