diff mbox series

[5.5,28/46] nvmem: sprd: Fix the block lock operation

Message ID	20200407101502.527377529@linuxfoundation.org
State	New
Headers	show Return-Path: <SRS0=IdoU=5X=vger.kernel.org=stable-owner@kernel.org> From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Freeman Liu <freeman.liu@unisoc.com>, Baolin Wang <baolin.wang7@gmail.com>, Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Subject: [PATCH 5.5 28/46] nvmem: sprd: Fix the block lock operation Date: Tue, 7 Apr 2020 12:21:59 +0200 Message-Id: <20200407101502.527377529@linuxfoundation.org> In-Reply-To: <20200407101459.502593074@linuxfoundation.org> References: <20200407101459.502593074@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk
Series	None \| expand [5.5,02/46] net: dsa: ksz: Select KSZ protocol tag [5.5,03/46] net, ip_tunnel: fix interface lookup with no key [5.5,05/46] sctp: fix refcount bug in sctp_wfree [5.5,07/46] nvme-rdma: Avoid double freeing of async event data [5.5,08/46] staging: wfx: fix warning about freeing in-use mutex during device unregister [5.5,10/46] drm/amd/display: Add link_rate quirk for Apple 15" MBP 2017 [5.5,11/46] drm/bochs: downgrade pci_request_region failure from error to warning [5.5,14/46] tools/power turbostat: Fix gcc build warnings [5.5,15/46] tools/power turbostat: Fix missing SYS_LPI counter on some Chromebooks [5.5,17/46] padata: fix uninitialized return value in padata_replace() [5.5,19/46] bpf: Fix tnum constraints for 32-bit comparisons [5.5,23/46] misc: pci_endpoint_test: Avoid using module parameter to determine irqtype [5.5,24/46] PCI: sysfs: Revert "rescan" file renames [5.5,27/46] nvmem: check for NULL reg_read and reg_write before dereferencing [5.5,28/46] nvmem: sprd: Fix the block lock operation [5.5,30/46] power: supply: axp288_charger: Add special handling for HP Pavilion x2 10 [5.5,31/46] Revert "dm: always call blk_queue_split() in dm_process_bio()" [5.5,33/46] soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper [5.5,35/46] iwlwifi: consider HE capability when setting LDPC [5.5,38/46] rxrpc: Fix sendmsg(MSG_WAITALL) handling [5.5,40/46] sched: act: count in the size of action flags bitfield [5.5,42/46] i2c: i801: Do not add ICH_RES_IO_SMI for the iTCO_wdt device [5.5,44/46] net: Fix Tx hash bound checking [5.5,45/46] net/smc: fix cleanup for linkgroup setup failures

Commit Message

Greg KH April 7, 2020, 10:21 a.m. UTC

From: Freeman Liu <freeman.liu@unisoc.com>

commit c66ebde4d988b592e8f0008e04c47cc4950a49d3 upstream.

According to the Spreadtrum eFuse specification, we should write 0 to
the block to trigger the lock operation.

Fixes: 096030e7f449 ("nvmem: sprd: Add Spreadtrum SoCs eFuse support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Freeman Liu <freeman.liu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200323150007.7487-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/nvmem/sprd-efuse.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff mbox series

Patch

--- a/drivers/nvmem/sprd-efuse.c
+++ b/drivers/nvmem/sprd-efuse.c
@@ -239,7 +239,7 @@  static int sprd_efuse_raw_prog(struct sp
 		ret = -EBUSY;
 	} else {
 		sprd_efuse_set_prog_lock(efuse, lock);
-		writel(*data, efuse->base + SPRD_EFUSE_MEM(blk));
+		writel(0, efuse->base + SPRD_EFUSE_MEM(blk));
 		sprd_efuse_set_prog_lock(efuse, false);
 	}