diff options
| author | Sriram Dash <sriram.dash@nxp.com> | 2018-01-10 11:57:14 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2018-01-15 12:44:09 -0800 |
| commit | a2bbfc54805a1278cc3901e17923220c74fb8e83 (patch) | |
| tree | 8b201cf1112c735c249f25ba236b43f47a83a305 /drivers | |
| parent | b0ce187b1f8dfa30e3885caa7dca8c1742def973 (diff) | |
serial: lpuart: Proper device identification
Identify and distinguish between platform device type of MX7ULP
and LS1021A.
This is a fix to commit 7edf5c45("serial: lpuart: add i.MX7ULP
support").
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_lpuart.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index 382f8ba5b5..536d30f66a 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -265,11 +265,9 @@ static int _lpuart32_serial_getc(struct lpuart_serial_platdata *plat) lpuart_read32(plat->flags, &base->data, &val); - if (plat->devtype & DEV_MX7ULP) { - lpuart_read32(plat->flags, &base->stat, &stat); - if (stat & STAT_OR) - lpuart_write32(plat->flags, &base->stat, STAT_OR); - } + lpuart_read32(plat->flags, &base->stat, &stat); + if (stat & STAT_OR) + lpuart_write32(plat->flags, &base->stat, STAT_OR); return val & 0x3ff; } @@ -280,10 +278,8 @@ static void _lpuart32_serial_putc(struct lpuart_serial_platdata *plat, struct lpuart_fsl_reg32 *base = plat->reg; u32 stat; - if (plat->devtype & DEV_MX7ULP) { - if (c == '\n') - serial_putc('\r'); - } + if (c == '\n') + serial_putc('\r'); while (true) { lpuart_read32(plat->flags, &base->stat, &stat); @@ -330,7 +326,7 @@ static int _lpuart32_serial_init(struct lpuart_serial_platdata *plat) lpuart_write32(plat->flags, &base->match, 0); - if (plat->devtype & DEV_MX7ULP) { + if (plat->devtype == DEV_MX7ULP) { _lpuart32_serial_setbrg_7ulp(plat, gd->baudrate); } else { /* provide data bits, parity, stop bit, etc */ @@ -347,7 +343,7 @@ static int lpuart_serial_setbrg(struct udevice *dev, int baudrate) struct lpuart_serial_platdata *plat = dev->platdata; if (is_lpuart32(dev)) { - if (plat->devtype & DEV_MX7ULP) + if (plat->devtype == DEV_MX7ULP) _lpuart32_serial_setbrg_7ulp(plat, baudrate); else _lpuart32_serial_setbrg(plat, baudrate); |