On Thu, Jun 8, 2023 at 1:15 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Thu, Jun 8, 2023 at 10:28 AM Yinbo Zhu <zhuyinbo@xxxxxxxxxxx> wrote: > > + ret = readb_poll_timeout(loongson_spi->base + LOONGSON_SPI_SPSR_REG, loongson_spi->spsr, > > + (loongson_spi->spsr & 0x1) != LOONGSON_SPI_SPSR_RFEMPTY, 1, MSEC_PER_SEC); > > (loongson_spi->spsr & > LOONGSON_SPI_SPSR_RFEMPTY) != LOONGSON_SPI_SPSR_RFEMPTY, > 1, MSEC_PER_SEC); Actually the last should be USEC_PER_MSEC, as the parameter is in microseconds. -- With Best Regards, Andy Shevchenko