Commit a8fb688e authored by Russell King's avatar Russell King
Browse files

ARM: spear: update for PL08x dma engine changes 



Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent aeea1808

arch/arm/plat-spear/include/plat/pl080.h

+3 −3
Original line number Diff line number Diff line
@@ -14,8 +14,8 @@ 
#ifndef __PLAT_PL080_H

#define __PLAT_PL080_H



struct pl08x_dma_chan;

int pl080_get_signal(struct pl08x_dma_chan *ch);

void pl080_put_signal(struct pl08x_dma_chan *ch);

struct pl08x_channel_data;

int pl080_get_signal(const struct pl08x_channel_data *cd);

void pl080_put_signal(const struct pl08x_channel_data *cd, int signal);



#endif /* __PLAT_PL080_H */

arch/arm/plat-spear/pl080.c

+4 −6
Original line number Diff line number Diff line
@@ -27,9 +27,8 @@ struct { 
	unsigned char val;

} signals[16] = {{0, 0}, };



int pl080_get_signal(struct pl08x_dma_chan *ch)

int pl080_get_signal(const struct pl08x_channel_data *cd)

{

	const struct pl08x_channel_data *cd = ch->cd;

	unsigned int signal = cd->min_signal, val;

	unsigned long flags;
@@ -63,18 +62,17 @@ int pl080_get_signal(struct pl08x_dma_chan *ch) 
	return signal;

}



void pl080_put_signal(struct pl08x_dma_chan *ch)

void pl080_put_signal(const struct pl08x_channel_data *cd, int signal)

{

	const struct pl08x_channel_data *cd = ch->cd;

	unsigned long flags;



	spin_lock_irqsave(&lock, flags);



	/* if signal is not used */

	if (!signals[cd->min_signal].busy)

	if (!signals[signal].busy)

		BUG();



	signals[cd->min_signal].busy--;

	signals[signal].busy--;



	spin_unlock_irqrestore(&lock, flags);

}