From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933995AbcA1FwU (ORCPT ); Thu, 28 Jan 2016 00:52:20 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:33839 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932490AbcA1FwS (ORCPT ); Thu, 28 Jan 2016 00:52:18 -0500 From: Brian Norris To: Cc: Brian Norris , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Ezequiel Garcia , Boris Brezillon , linux-kernel@vger.kernel.org, Bayi Cheng , Marek Vasut , djkurtz@chromium.org Subject: [PATCH 0/8] mtd: spi-nor: locking fixes and updates Date: Wed, 27 Jan 2016 21:51:39 -0800 Message-Id: <1453960307-10181-1-git-send-email-computersforpeace@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, These are an assortment of fixes and updates to the SPI NOR lock/unlock feature. The biggest new features are: (a) Status Register protection; I don't see why this shouldn't be enabled by default. See patch 4's description. (b) Bottom-block protection support (via TB status bit) (c) Lock/unlock support for a few Winbond flash Patch 7 (Top/Bottom protection support) is still an RFC, as I think it deserves a bit more work. But I'm just getting it out there, as it's been sitting on my plate for a while. Regards, Brian Brian Norris (8): mtd: spi-nor: wait for SR_WIP to clear on initial unlock mtd: spi-nor: guard against underflows in stm_is_locked_sr mtd: spi-nor: silently drop lock/unlock for already locked/unlocked region mtd: spi-nor: disallow further writes to SR if WP# is low mtd: spi-nor: use BIT() for flash_info flags mtd: spi-nor: add SPI_NOR_HAS_LOCK flag mtd: spi-nor: add TB (Top/Bottom) protect support mtd: spi-nor: support lock/unlock for a few Winbond chips drivers/mtd/spi-nor/spi-nor.c | 153 +++++++++++++++++++++++++++++++++-------- include/linux/mtd/spi-nor.h | 2 + 2 files changed, 128 insertions(+), 27 deletions(-) -- 1.7.9.5