From patchwork Fri Jun 26 16:42:47 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: m25p80 timeout too short for worst-case m25p16 devices Date: Fri, 26 Jun 2009 06:42:47 -0000 From: "Steven A. Falco" X-Patchwork-Id: 29199 Message-Id: <4A44FA87.8030807@harris.com> To: linux-mtd@lists.infradead.org Cc: dwmw2@infradead.org The m25p16 data sheet from numonyx lists the worst-case bulk erase time (tBE) as 40 seconds. Signed-off-by: Steven A. Falco --- diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index cc6369e..e106700 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_JIFFIES (10 * HZ) /* eg. M25P128 specs 6s max sector erase */ +#define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ