spi: axiado: replace usleep_range() with udelay() in IRQ path

ax_spi_fill_tx_fifo() can be called from ax_spi_irq() which is a hard
irq handler. Replace usleep_range(10, 10) with udelay(10) in atomic
context.

Fixes: e75a6b00ad ("spi: axiado: Add driver for Axiado SPI DB controller")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Link: https://patch.msgid.link/20260428-axiado-v1-1-cd767500af72@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Felix Gu
2026-04-28 08:35:59 +09:00
committed by Mark Brown
parent 7643978722
commit f5c6a272b6
+1 -1
View File
@@ -201,7 +201,7 @@ static void ax_spi_fill_tx_fifo(struct ax_spi *xspi)
* then spi control did't work thoroughly, add one byte delay
*/
if (ax_spi_read(xspi, AX_SPI_IVR) & AX_SPI_IVR_TFOV)
usleep_range(10, 10);
udelay(10);
if (xspi->tx_buf)
ax_spi_write_b(xspi, AX_SPI_TXFIFO, *xspi->tx_buf++);
else