在 2023/6/8 下午6:18, Andy Shevchenko 写道:
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.
okay, I got it.
Thanks