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authorAndy Duan <fugang.duan@nxp.com>2021-08-19 04:10:33 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-08-26 14:49:03 +0200
commitd5c38948448abc2bb6b36dbf85a554bf4748885e (patch)
treec3d5e00a363e8e91dba55d7563bf33b96832910a /drivers/tty
parentmxser: use semi-colons instead of commas (diff)
downloadlinux-d5c38948448abc2bb6b36dbf85a554bf4748885e.tar.xz
linux-d5c38948448abc2bb6b36dbf85a554bf4748885e.zip
tty: serial: fsl_lpuart: fix the wrong mapbase value
Register offset needs to be applied on mapbase also. dma_tx/rx_request use the physical address of UARTDATA. Register offset is currently only applied to membase (the corresponding virtual addr) but not on mapbase. Fixes: 24b1e5f0e83c ("tty: serial: lpuart: add imx7ulp support") Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com> Signed-off-by: Adriana Reus <adriana.reus@nxp.com> Signed-off-by: Sherry Sun <sherry.sun@nxp.com> Signed-off-by: Andy Duan <fugang.duan@nxp.com> Link: https://lore.kernel.org/r/20210819021033.32606-1-sherry.sun@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/fsl_lpuart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 31d715c4787a..117e011aff5f 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2615,7 +2615,7 @@ static int lpuart_probe(struct platform_device *pdev)
return PTR_ERR(sport->port.membase);
sport->port.membase += sdata->reg_off;
- sport->port.mapbase = res->start;
+ sport->port.mapbase = res->start + sdata->reg_off;
sport->port.dev = &pdev->dev;
sport->port.type = PORT_LPUART;
sport->devtype = sdata->devtype;