From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from comal.ext.ti.com ([198.47.26.152]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ao6t7-0002Ai-3v for linux-mtd@lists.infradead.org; Thu, 07 Apr 2016 10:10:11 +0000 From: Roger Quadros To: , , CC: , , , , , , , , , Roger Quadros Subject: [PATCH v6 07/17] mtd: nand: omap: Switch to using GPMC-NAND ops for writebuffer empty check Date: Thu, 7 Apr 2016 13:08:25 +0300 Message-ID: <1460023715-19332-8-git-send-email-rogerq@ti.com> In-Reply-To: <1460023715-19332-1-git-send-email-rogerq@ti.com> References: <1460023715-19332-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Instead of accessing the gpmc_status register directly start using the gpmc_nand_ops->nand_writebuffer_empty() helper to check write buffer empty status. Signed-off-by: Roger Quadros Acked-by: Brian Norris --- drivers/mtd/nand/omap2.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index cba9bf0..98023d5 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -291,14 +291,13 @@ static void omap_write_buf8(struct mtd_info *mtd, const u_char *buf, int len) { struct omap_nand_info *info = mtd_to_omap(mtd); u_char *p = (u_char *)buf; - u32 status = 0; + bool status; while (len--) { iowrite8(*p++, info->nand.IO_ADDR_W); /* wait until buffer is available for write */ do { - status = readl(info->reg.gpmc_status) & - STATUS_BUFF_EMPTY; + status = info->ops->nand_writebuffer_empty(); } while (!status); } } @@ -326,7 +325,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) { struct omap_nand_info *info = mtd_to_omap(mtd); u16 *p = (u16 *) buf; - u32 status = 0; + bool status; /* FIXME try bursts of writesw() or DMA ... */ len >>= 1; @@ -334,8 +333,7 @@ static void omap_write_buf16(struct mtd_info *mtd, const u_char * buf, int len) iowrite16(*p++, info->nand.IO_ADDR_W); /* wait until buffer is available for write */ do { - status = readl(info->reg.gpmc_status) & - STATUS_BUFF_EMPTY; + status = info->ops->nand_writebuffer_empty(); } while (!status); } } -- 2.5.0