From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from co202.xi-lite.net ([149.6.83.202]) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1QKQcs-0008Um-17 for linux-mtd@lists.infradead.org; Thu, 12 May 2011 07:48:02 +0000 Message-ID: <4DCB908C.80505@parrot.com> Date: Thu, 12 May 2011 09:47:24 +0200 From: Matthieu CASTET MIME-Version: 1.0 To: Nitin Garg Subject: Re: Bug in MTD NAND ONFI chipsize detection References: <20110511183322.da0739c9.akpm@linux-foundation.org> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit Cc: David Woodhouse , Andrew Morton , "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, What's the difference between one lun and multiple lun for mtd ? Aren't any command to select the current lun ? Matthieu Nitin Garg a écrit : > Why isn't my patch going through? re-sending again, > > Signed-off-by: Nitin Garg > --- > drivers/mtd/nand/nand_base.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c > index c54a4cb..cdf6015 100644 > --- a/drivers/mtd/nand/nand_base.c > +++ b/drivers/mtd/nand/nand_base.c > @@ -2892,7 +2892,7 @@ static int nand_flash_detect_onfi(struct > mtd_info *mtd, struct nand_chip *chip, > mtd->writesize = le32_to_cpu(p->byte_per_page); > mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize; > mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page); > - chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize; > + chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * > le32_to_cpu(p->lun_count) * mtd->erasesize; > busw = 0; > if (le16_to_cpu(p->features) & 1) > busw = NAND_BUSWIDTH_16;