Superseded by v2.
On Tue, Jul 9, 2019 at 5:54 PM Sam Protsenko <semen.protse...@linaro.org> wrote: > > + Dan Rue > > On Tue, Jul 9, 2019 at 5:49 PM Sam Protsenko <semen.protse...@linaro.org> > wrote: > > > > ttyO2 console enables legacy CONFIG_SERIAL_OMAP driver in kernel. > > Nowadays it's preferred to use the generic CONFIG_SERIAL_8250_OMAP > > driver, which being enabled via ttyS2 console. Both drivers are enabled > > in multi_v7_defconfig and in omap2plus_defconfig, for compatibility > > reasons. Let's switch to ttyS2 console, to be sure that standard 8250 > > serial driver is used. > > > > Similar behavior can be also achieved by enabling > > CONFIG_SERIAL_8250_OMAP_TTYO_FIXUP option in kernel, but it's better not > > to rely on that, as it can be disabled or removed after transitional > > period. > > > > Right now on DRA7/AM57x platforms the 8250-omap driver is being probed > > first, and omap-serial driver is only probed if the first one failed. > > It can be seen from uart3 definition in arch/arm/boot/dts/dra7-l4.dtsi: > > > > compatible = "ti,dra742-uart", "ti,omap4-uart"; > > > > So the kernel already uses 8250 driver. This change basically allows > > kernel developers to throw away the omap-serial driver and associated > > compatibility options. Similar discussions [1,2] have started several > > years ago, so it should be safe to do that now. > > > > [1] https://patchwork.kernel.org/patch/6198471/ > > [2] > > http://processors.wiki.ti.com/index.php/Sitara_Linux_UART_-_Switching_to_8250_Driver > > > > Signed-off-by: Sam Protsenko <semen.protse...@linaro.org> > > --- > > include/environment/ti/boot.h | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/include/environment/ti/boot.h b/include/environment/ti/boot.h > > index e37004af46..d69ba3a7a6 100644 > > --- a/include/environment/ti/boot.h > > +++ b/include/environment/ti/boot.h > > @@ -10,7 +10,7 @@ > > #define __TI_BOOT_H > > > > #ifndef CONSOLEDEV > > -#define CONSOLEDEV "ttyO2" > > +#define CONSOLEDEV "ttyS2" > > #endif > > > > #define VBMETA_PART_SIZE (64 * 1024) > > -- > > 2.20.1 > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
