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Commit af0940da authored by Akinobu Mita's avatar Akinobu Mita Committed by Stefan Richter
Browse files

ieee1394: Use hweight32 



Use hweight32 instead of counting for each bit

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (add required include)
parent b2c0a2ac

drivers/ieee1394/ohci1394.c

+2 −6
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ 
 *

 */



#include <linux/bitops.h>

#include <linux/kernel.h>

#include <linux/list.h>

#include <linux/slab.h>
@@ -434,7 +435,6 @@ static void initialize_dma_trm_ctx(struct dma_trm_ctx *d) 
/* Count the number of available iso contexts */

static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg)

{

	int i,ctx=0;

	u32 tmp;



	reg_write(ohci, reg, 0xffffffff);
@@ -443,11 +443,7 @@ static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg) 
	DBGMSG("Iso contexts reg: %08x implemented: %08x", reg, tmp);



	/* Count the number of contexts */

	for (i=0; i<32; i++) {

	    	if (tmp & 1) ctx++;

		tmp >>= 1;

	}

	return ctx;

	return hweight32(tmp);

}



/* Global initialization */