From: Prabhakar Kushwaha <prabhakar@freescale.com>
Date: Thu, 8 Nov 2012 08:12:59 +0000 (+0530)
Subject: mtd: fsl_ifc_nand: wait tWB time, poll R/B before command execution
X-Git-Tag: v3.8-rc1~47^2~54
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6ba745d0a073a0f48053fa4744ab2e86c310aad;p=pandora-kernel.git

mtd: fsl_ifc_nand: wait tWB time, poll R/B before command execution

IFC_FIR_OP_CMD0 issues command for execution without checking flash
readiness. It may cause problem if flash is not ready. Instead use
IFC_FIR_OP_CW0 which Wait for tWB time and poll R/B to return high or
time-out, before issuing command.

NAND_CMD_READID command implemention does not fulfill above requirement. So
update its programming.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Hemant Nautiyal <hemant.nautiyal@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---

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