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Commit 9c7daa61 authored by Alexander Usyskin's avatar Alexander Usyskin Committed by Greg Kroah-Hartman
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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: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e1ef962b
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+15 −6
Original line number Diff line number Diff line
@@ -139,6 +139,19 @@ static inline void mei_hcsr_set(struct mei_device *dev, u32 reg)
	mei_hcsr_write(dev, 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
 *
@@ -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, &reg, buffer_length);
	}

	hcsr = mei_hcsr_read(dev) | H_IG;
	mei_hcsr_set(dev, hcsr);
	mei_hcsr_set_hig(dev);
	return 0;
}