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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR0301MB0910 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170509_005140_135503_00F0E2D6 X-CRM114-Status: GOOD ( 15.61 ) 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: Dong Aisheng , fugang.duan@nxp.com, gregkh@linuxfoundation.org, yangbo.lu@nxp.com, linux-kernel@vger.kernel.org, stefan@agner.ch, Mingkai.Hu@nxp.com, jslaby@suse.com, 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 It's based on the exist lpuart32 read/write implementation. Cc: Greg Kroah-Hartman Cc: Jiri Slaby (supporter:TTY LAYER) Cc: Fugang Duan Cc: Stefan Agner Cc: Mingkai Hu Cc: Yangbo Lu Signed-off-by: Dong Aisheng --- drivers/tty/serial/fsl_lpuart.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index cd4e905..bddd041 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -231,6 +231,8 @@ #define DEV_NAME "ttyLP" #define UART_NR 6 +static bool lpuart_is_be; + struct lpuart_port { struct uart_port port; struct clk *clk; @@ -260,6 +262,7 @@ struct lpuart_port { struct lpuart_soc_data { bool is_32; + bool is_be; }; static struct lpuart_soc_data vf_data = { @@ -268,6 +271,7 @@ static struct lpuart_soc_data vf_data = { static struct lpuart_soc_data ls_data = { .is_32 = true, + .is_be = true, }; static const struct of_device_id lpuart_dt_ids[] = { @@ -282,12 +286,15 @@ static void lpuart_dma_tx_complete(void *arg); static u32 lpuart32_read(void __iomem *addr) { - return ioread32be(addr); + return lpuart_is_be ? ioread32be(addr) : readl(addr); } static void lpuart32_write(u32 val, void __iomem *addr) { - iowrite32be(val, addr); + if (lpuart_is_be) + iowrite32be(val, addr); + else + writel(val, addr); } static void lpuart_stop_tx(struct uart_port *port) @@ -2000,6 +2007,7 @@ static int lpuart_probe(struct platform_device *pdev) } sport->port.line = ret; sport->lpuart32 = sdata->is_32; + lpuart_is_be = sdata->is_be; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); sport->port.membase = devm_ioremap_resource(&pdev->dev, res);