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Fri, 19 Apr 2019 09:48:13 -0700 (PDT) From: Bryan O'Donoghue To: l.stach@pengutronix.de, peng.fan@nxp.com, shawnguo@kernel.org, srinivas.kandagatla@linaro.org, leonard.crestez@nxp.com Subject: [PATCH v2 1/5] nvmem: imx-ocotp: Elongate OCOTP_CTRL ADDR field to eight bits Date: Fri, 19 Apr 2019 17:48:04 +0100 Message-Id: <20190419164808.23236-2-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190419164808.23236-1-pure.logic@nexus-software.ie> References: <20190419164808.23236-1-pure.logic@nexus-software.ie> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190419_094815_297538_4748F397 X-CRM114-Status: GOOD ( 12.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, abel.vesa@nxp.com, anson.huang@nxp.com, linux-imx@nxp.com, kernel@pengutronix.de, fabio.estevam@nxp.com, Bryan O'Donoghue , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP i.MX6 and i.MX7 define OCOTP_CTRLn:ADDR bits as a four bit address field with four reserved bits denoted RSVD0. i.MX8 defines the OCOTP_CTRLn:ADDR bit-field as a full range eight bits. i.MX6 and i.MX7 should return zero for the RSVD0 bits and ignore a write-back of zero where i.MX8 will make use of the full range. This patch expands the bit-field definition for all users from four bits to eight bits. Signed-off-by: Bryan O'Donoghue --- drivers/nvmem/imx-ocotp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c index 4cf7b61e4bf5..6600c4ddeb51 100644 --- a/drivers/nvmem/imx-ocotp.c +++ b/drivers/nvmem/imx-ocotp.c @@ -45,7 +45,7 @@ #define IMX_OCOTP_ADDR_DATA2 0x0040 #define IMX_OCOTP_ADDR_DATA3 0x0050 -#define IMX_OCOTP_BM_CTRL_ADDR 0x0000007F +#define IMX_OCOTP_BM_CTRL_ADDR 0x000000FF #define IMX_OCOTP_BM_CTRL_BUSY 0x00000100 #define IMX_OCOTP_BM_CTRL_ERROR 0x00000200 #define IMX_OCOTP_BM_CTRL_REL_SHADOWS 0x00000400