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Commit 54c69cc2 authored by Akinobu Mita's avatar Akinobu Mita Committed by David Woodhouse
Browse files

mtd: alauda: Use hweight8 



Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent e670e41a

drivers/mtd/nand/alauda.c

+1 −10
Original line number Original line Diff line number Diff line
@@ -372,15 +372,6 @@ static int alauda_read_oob(struct mtd_info *mtd, loff_t from, void *oob) 
	return __alauda_read_page(mtd, from, ignore_buf, oob);

	return __alauda_read_page(mtd, from, ignore_buf, oob);

}

}





static int popcount8(u8 c)

{

	int ret = 0;



	for ( ; c; c>>=1)

		ret += c & 1;

	return ret;

}



static int alauda_isbad(struct mtd_info *mtd, loff_t ofs)

static int alauda_isbad(struct mtd_info *mtd, loff_t ofs)

{

{

	u8 oob[16];

	u8 oob[16];
@@ -391,7 +382,7 @@ static int alauda_isbad(struct mtd_info *mtd, loff_t ofs) 
		return err;

		return err;





	/* A block is marked bad if two or more bits are zero */

	/* A block is marked bad if two or more bits are zero */

	return popcount8(oob[5]) >= 7 ? 0 : 1;

	return hweight8(oob[5]) >= 7 ? 0 : 1;

}

}





static int alauda_bounce_read(struct mtd_info *mtd, loff_t from, size_t len,

static int alauda_bounce_read(struct mtd_info *mtd, loff_t from, size_t len,