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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2017-02-02 11:26:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-03 11:49:06 +0100 |
| commit | 9c7daa61d91647fba3b986a9941d3fb531b9b9ff (patch) | |
| tree | 0021bf84df594ce094e6e80572481d7d9613835c /drivers/misc | |
| parent | e1ef962bf1255cea2f165f3a7374766a7ceb4308 (diff) | |
| download | linux-rpi-9c7daa61d91647fba3b986a9941d3fb531b9b9ff.tar.gz linux-rpi-9c7daa61d91647fba3b986a9941d3fb531b9b9ff.tar.bz2 linux-rpi-9c7daa61d91647fba3b986a9941d3fb531b9b9ff.zip | |
mei: me: add a wrapper to set host generated data interrupt
Consolidate setting H_IG, an interrupt from host towards hw,
into a wrapper to eliminate code duplication.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index befeac52c349..23294b845c42 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -140,6 +140,19 @@ static inline void mei_hcsr_set(struct mei_device *dev, u32 reg) } /** + * mei_hcsr_set_hig - set host interrupt (set H_IG) + * + * @dev: the device structure + */ +static inline void mei_hcsr_set_hig(struct mei_device *dev) +{ + u32 hcsr; + + hcsr = mei_hcsr_read(dev) | H_IG; + mei_hcsr_set(dev, hcsr); +} + +/** * mei_me_d0i3c_read - Reads 32bit data from the D0I3C register * * @dev: the device structure @@ -505,7 +518,6 @@ static int mei_me_hbuf_write(struct mei_device *dev, unsigned long rem; unsigned long length = header->length; u32 *reg_buf = (u32 *)buf; - u32 hcsr; u32 dw_cnt; int i; int empty_slots; @@ -532,8 +544,7 @@ static int mei_me_hbuf_write(struct mei_device *dev, mei_me_hcbww_write(dev, reg); } - hcsr = mei_hcsr_read(dev) | H_IG; - mei_hcsr_set(dev, hcsr); + mei_hcsr_set_hig(dev); if (!mei_me_hw_is_ready(dev)) return -EIO; @@ -580,7 +591,6 @@ static int mei_me_read_slots(struct mei_device *dev, unsigned char *buffer, unsigned long buffer_length) { u32 *reg_buf = (u32 *)buffer; - u32 hcsr; for (; buffer_length >= sizeof(u32); buffer_length -= sizeof(u32)) *reg_buf++ = mei_me_mecbrw_read(dev); @@ -591,8 +601,7 @@ static int mei_me_read_slots(struct mei_device *dev, unsigned char *buffer, memcpy(reg_buf, ®, buffer_length); } - hcsr = mei_hcsr_read(dev) | H_IG; - mei_hcsr_set(dev, hcsr); + mei_hcsr_set_hig(dev); return 0; } |